diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntDoubleMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntDoubleMatrix.java
index bfde0e6..94da9d1 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntDoubleMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntDoubleMatrix.java
@@ -106,7 +106,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompIntDoubleMatrix res;
     if (op.isInplace()) {
@@ -135,7 +135,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompIntDoubleMatrix res;
     if (op.isInplace()) {
@@ -162,7 +162,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -194,7 +194,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntFloatMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntFloatMatrix.java
index c0d6790..ffceafe 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntFloatMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntFloatMatrix.java
@@ -106,7 +106,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompIntFloatMatrix res;
     if (op.isInplace()) {
@@ -135,7 +135,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompIntFloatMatrix res;
     if (op.isInplace()) {
@@ -162,7 +162,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -194,7 +194,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntIntMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntIntMatrix.java
index cbf89c5..267a3a6 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntIntMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntIntMatrix.java
@@ -106,7 +106,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompIntIntMatrix res;
     if (op.isInplace()) {
@@ -135,7 +135,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompIntIntMatrix res;
     if (op.isInplace()) {
@@ -162,7 +162,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -193,7 +193,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntLongMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntLongMatrix.java
index 3fcec1f..cef9e1c 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntLongMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompIntLongMatrix.java
@@ -106,7 +106,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompIntLongMatrix res;
     if (op.isInplace()) {
@@ -135,7 +135,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompIntLongMatrix res;
     if (op.isInplace()) {
@@ -162,7 +162,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -193,7 +193,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongDoubleMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongDoubleMatrix.java
index b90fcc6..a4e5bbf 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongDoubleMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongDoubleMatrix.java
@@ -107,7 +107,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompLongDoubleMatrix res;
     if (op.isInplace()) {
@@ -136,7 +136,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompLongDoubleMatrix res;
     if (op.isInplace()) {
@@ -163,7 +163,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -194,7 +194,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongFloatMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongFloatMatrix.java
index a8475ec..cc082dd 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongFloatMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongFloatMatrix.java
@@ -107,7 +107,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompLongFloatMatrix res;
     if (op.isInplace()) {
@@ -136,7 +136,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompLongFloatMatrix res;
     if (op.isInplace()) {
@@ -163,7 +163,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -195,7 +195,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongIntMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongIntMatrix.java
index 280bbc0..d6dd0cc 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongIntMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongIntMatrix.java
@@ -107,7 +107,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompLongIntMatrix res;
     if (op.isInplace()) {
@@ -136,7 +136,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompLongIntMatrix res;
     if (op.isInplace()) {
@@ -163,7 +163,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -194,7 +194,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongLongMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongLongMatrix.java
index addaa05..9ab7321 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongLongMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBCompLongLongMatrix.java
@@ -107,7 +107,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBCompLongLongMatrix res;
     if (op.isInplace()) {
@@ -136,7 +136,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBCompLongLongMatrix res;
     if (op.isInplace()) {
@@ -163,7 +163,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -195,7 +195,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntDoubleMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntDoubleMatrix.java
index 896e2c6..a461bb3 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntDoubleMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntDoubleMatrix.java
@@ -96,7 +96,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBIntDoubleMatrix res;
     if (op.isInplace()) {
@@ -125,7 +125,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBIntDoubleMatrix res;
     if (op.isInplace()) {
@@ -152,7 +152,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -183,7 +183,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntFloatMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntFloatMatrix.java
index d6530c2..ed2ffc9 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntFloatMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntFloatMatrix.java
@@ -96,7 +96,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBIntFloatMatrix res;
     if (op.isInplace()) {
@@ -125,7 +125,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBIntFloatMatrix res;
     if (op.isInplace()) {
@@ -152,7 +152,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -183,7 +183,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntIntMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntIntMatrix.java
index d5d77be..33a7e86 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntIntMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntIntMatrix.java
@@ -96,7 +96,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBIntIntMatrix res;
     if (op.isInplace()) {
@@ -125,7 +125,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBIntIntMatrix res;
     if (op.isInplace()) {
@@ -152,7 +152,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -183,7 +183,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntLongMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntLongMatrix.java
index 2fc5f24..1bc923f 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntLongMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBIntLongMatrix.java
@@ -96,7 +96,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBIntLongMatrix res;
     if (op.isInplace()) {
@@ -125,7 +125,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBIntLongMatrix res;
     if (op.isInplace()) {
@@ -152,7 +152,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -183,7 +183,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongDoubleMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongDoubleMatrix.java
index 1146c62..ba651b9 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongDoubleMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongDoubleMatrix.java
@@ -97,7 +97,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBLongDoubleMatrix res;
     if (op.isInplace()) {
@@ -126,7 +126,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBLongDoubleMatrix res;
     if (op.isInplace()) {
@@ -153,7 +153,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -184,7 +184,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongFloatMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongFloatMatrix.java
index 4c830b8..28cd576 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongFloatMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongFloatMatrix.java
@@ -97,7 +97,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBLongFloatMatrix res;
     if (op.isInplace()) {
@@ -126,7 +126,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBLongFloatMatrix res;
     if (op.isInplace()) {
@@ -153,7 +153,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -184,7 +184,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongIntMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongIntMatrix.java
index 0191655..c00b88c 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongIntMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongIntMatrix.java
@@ -97,7 +97,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBLongIntMatrix res;
     if (op.isInplace()) {
@@ -126,7 +126,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBLongIntMatrix res;
     if (op.isInplace()) {
@@ -153,7 +153,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -184,7 +184,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongLongMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongLongMatrix.java
index 81a43e8..4759e4c 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongLongMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RBLongLongMatrix.java
@@ -97,7 +97,7 @@ public Vector dot(Vector other) {
   }
 
   @Override
-  public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
+  public RowBasedMatrix calculate(int rowId, Vector other, Binary op) {
     assert other != null;
     RBLongLongMatrix res;
     if (op.isInplace()) {
@@ -126,7 +126,7 @@ public RowBasedMatrix calulate(int rowId, Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Vector other, Binary op) {
+  public RowBasedMatrix calculate(Vector other, Binary op) {
     assert other != null;
     RBLongLongMatrix res;
     if (op.isInplace()) {
@@ -153,7 +153,7 @@ public RowBasedMatrix calulate(Vector other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Matrix other, Binary op) {
+  public RowBasedMatrix calculate(Matrix other, Binary op) {
     assert other instanceof RowBasedMatrix;
 
     if (op.isInplace()) {
@@ -184,7 +184,7 @@ public RowBasedMatrix calulate(Matrix other, Binary op) {
   }
 
   @Override
-  public RowBasedMatrix calulate(Unary op) {
+  public RowBasedMatrix calculate(Unary op) {
     if (op.isInplace()) {
       for (Vector vec : rows) {
         UnaryExecutor.apply(vec, op);
diff --git a/src/main/java/com/tencent/angel/ml/math2/matrix/RowBasedMatrix.java b/src/main/java/com/tencent/angel/ml/math2/matrix/RowBasedMatrix.java
index 79b290c..91ee895 100644
--- a/src/main/java/com/tencent/angel/ml/math2/matrix/RowBasedMatrix.java
+++ b/src/main/java/com/tencent/angel/ml/math2/matrix/RowBasedMatrix.java
@@ -51,13 +51,13 @@ public RowBasedMatrix(int matrixId, int clock, long cols, Vec[] rows) {
     this.cols = cols;
   }
 
-  public abstract RowBasedMatrix calulate(int rowId, Vector other, Binary op);
+  public abstract RowBasedMatrix calculate(int rowId, Vector other, Binary op);
 
-  public abstract RowBasedMatrix calulate(Vector other, Binary op);
+  public abstract RowBasedMatrix calculate(Vector other, Binary op);
 
-  public abstract RowBasedMatrix calulate(Matrix other, Binary op);
+  public abstract RowBasedMatrix calculate(Matrix other, Binary op);
 
-  public abstract RowBasedMatrix calulate(Unary op);
+  public abstract RowBasedMatrix calculate(Unary op);
 
   @Override
   public Vec getRow(int idx) {
@@ -149,192 +149,192 @@ public Vector transDot(Vector other) {
 
   @Override
   public Matrix iadd(int rowId, Vector other) {
-    return calulate(rowId, other, new Add(true));
+    return calculate(rowId, other, new Add(true));
   }
 
   @Override
   public Matrix add(int rowId, Vector other) {
-    return calulate(rowId, other, new Add(false));
+    return calculate(rowId, other, new Add(false));
   }
 
   @Override
   public Matrix isub(int rowId, Vector other) {
-    return calulate(rowId, other, new Sub(true));
+    return calculate(rowId, other, new Sub(true));
   }
 
   @Override
   public Matrix sub(int rowId, Vector other) {
-    return calulate(rowId, other, new Sub(false));
+    return calculate(rowId, other, new Sub(false));
   }
 
   @Override
   public Matrix imul(int rowId, Vector other) {
-    return calulate(rowId, other, new Mul(true));
+    return calculate(rowId, other, new Mul(true));
   }
 
   @Override
   public Matrix mul(int rowId, Vector other) {
-    return calulate(rowId, other, new Mul(false));
+    return calculate(rowId, other, new Mul(false));
   }
 
   @Override
   public Matrix idiv(int rowId, Vector other) {
-    return calulate(rowId, other, new Div(true));
+    return calculate(rowId, other, new Div(true));
   }
 
   @Override
   public Matrix div(int rowId, Vector other) {
-    return calulate(rowId, other, new Div(false));
+    return calculate(rowId, other, new Div(false));
   }
 
   @Override
   public Matrix iaxpy(int rowId, Vector other, double aplha) {
-    return calulate(rowId, other, new Axpy(true, aplha));
+    return calculate(rowId, other, new Axpy(true, aplha));
   }
 
   @Override
   public Matrix axpy(int rowId, Vector other, double aplha) {
-    return calulate(rowId, other, new Axpy(false, aplha));
+    return calculate(rowId, other, new Axpy(false, aplha));
   }
 
   @Override
   public Matrix iadd(Vector other) {
-    return calulate(other, new Add(true));
+    return calculate(other, new Add(true));
   }
 
   @Override
   public Matrix add(Vector other) {
-    return calulate(other, new Add(false));
+    return calculate(other, new Add(false));
   }
 
   @Override
   public Matrix isub(Vector other) {
-    return calulate(other, new Sub(true));
+    return calculate(other, new Sub(true));
   }
 
   @Override
   public Matrix sub(Vector other) {
-    return calulate(other, new Sub(false));
+    return calculate(other, new Sub(false));
   }
 
   @Override
   public Matrix imul(Vector other) {
-    return calulate(other, new Mul(true));
+    return calculate(other, new Mul(true));
   }
 
   @Override
   public Matrix mul(Vector other) {
-    return calulate(other, new Mul(false));
+    return calculate(other, new Mul(false));
   }
 
   @Override
   public Matrix idiv(Vector other) {
-    return calulate(other, new Div(true));
+    return calculate(other, new Div(true));
   }
 
   @Override
   public Matrix div(Vector other) {
-    return calulate(other, new Div(false));
+    return calculate(other, new Div(false));
   }
 
   @Override
   public Matrix iaxpy(Vector other, double aplha) {
-    return calulate(other, new Axpy(true, aplha));
+    return calculate(other, new Axpy(true, aplha));
   }
 
   @Override
   public Matrix axpy(Vector other, double aplha) {
-    return calulate(other, new Axpy(false, aplha));
+    return calculate(other, new Axpy(false, aplha));
   }
 
   @Override
   public Matrix iadd(Matrix other) {
-    return calulate(other, new Add(true));
+    return calculate(other, new Add(true));
   }
 
   @Override
   public Matrix add(Matrix other) {
-    return calulate(other, new Add(false));
+    return calculate(other, new Add(false));
   }
 
   @Override
   public Matrix isub(Matrix other) {
-    return calulate(other, new Sub(true));
+    return calculate(other, new Sub(true));
   }
 
   @Override
   public Matrix sub(Matrix other) {
-    return calulate(other, new Sub(false));
+    return calculate(other, new Sub(false));
   }
 
   @Override
   public Matrix imul(Matrix other) {
-    return calulate(other, new Mul(true));
+    return calculate(other, new Mul(true));
   }
 
   @Override
   public Matrix mul(Matrix other) {
-    return calulate(other, new Mul(false));
+    return calculate(other, new Mul(false));
   }
 
   @Override
   public Matrix idiv(Matrix other) {
-    return calulate(other, new Div(true));
+    return calculate(other, new Div(true));
   }
 
   @Override
   public Matrix div(Matrix other) {
-    return calulate(other, new Div(false));
+    return calculate(other, new Div(false));
   }
 
   @Override
   public Matrix iaxpy(Matrix other, double aplha) {
-    return calulate(other, new Axpy(true, aplha));
+    return calculate(other, new Axpy(true, aplha));
   }
 
   @Override
   public Matrix axpy(Matrix other, double aplha) {
-    return calulate(other, new Axpy(false, aplha));
+    return calculate(other, new Axpy(false, aplha));
   }
 
   @Override
   public Matrix iadd(double x) {
-    return calulate(new SAdd(true, x));
+    return calculate(new SAdd(true, x));
   }
 
   @Override
   public Matrix add(double x) {
-    return calulate(new SAdd(false, x));
+    return calculate(new SAdd(false, x));
   }
 
   @Override
   public Matrix isub(double x) {
-    return calulate(new SSub(true, x));
+    return calculate(new SSub(true, x));
   }
 
   @Override
   public Matrix sub(double x) {
-    return calulate(new SSub(false, x));
+    return calculate(new SSub(false, x));
   }
 
   @Override
   public Matrix imul(double x) {
-    return calulate(new SMul(true, x));
+    return calculate(new SMul(true, x));
   }
 
   @Override
   public Matrix mul(double x) {
-    return calulate(new SMul(false, x));
+    return calculate(new SMul(false, x));
   }
 
   @Override
   public Matrix idiv(double x) {
-    return calulate(new SDiv(true, x));
+    return calculate(new SDiv(true, x));
   }
 
   @Override
   public Matrix div(double x) {
-    return calulate(new SDiv(false, x));
+    return calculate(new SDiv(false, x));
   }
 
   @Override
diff --git a/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/BinaryMatrixExecutor.java b/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/BinaryMatrixExecutor.java
index 40b1d1e..421456b 100644
--- a/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/BinaryMatrixExecutor.java
+++ b/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/BinaryMatrixExecutor.java
@@ -64,7 +64,7 @@ public static Matrix apply(Matrix mat, Vector v, int idx, boolean onCol, Binary
       return apply((BlasFloatMatrix) mat, (IntDummyVector) v, idx, onCol, op);
     } else if (mat instanceof RowBasedMatrix) {
       assert !onCol;
-      return ((RowBasedMatrix) mat).calulate(idx, v, op);
+      return ((RowBasedMatrix) mat).calculate(idx, v, op);
     } else {
       throw new MathException("The operation is not supported!");
     }
@@ -1661,7 +1661,7 @@ public static Matrix apply(Matrix mat, Vector v, boolean onCol, Binary op) {
       return apply((BlasFloatMatrix) mat, (IntDummyVector) v, onCol, op);
     } else if (mat instanceof RowBasedMatrix) {
       assert !onCol;
-      return ((RowBasedMatrix) mat).calulate(v, op);
+      return ((RowBasedMatrix) mat).calculate(v, op);
     } else {
       throw new MathException("The operation is not supported!");
     }
@@ -3611,7 +3611,7 @@ public static Matrix apply(Matrix mat1, boolean trans1, Matrix mat2, boolean tra
     } else if (mat1 instanceof BlasFloatMatrix && mat2 instanceof BlasFloatMatrix) {
       return apply((BlasFloatMatrix) mat1, trans1, (BlasFloatMatrix) mat2, trans2, op);
     } else if (mat1 instanceof RowBasedMatrix) {
-      return ((RowBasedMatrix) mat1).calulate(mat2, op);
+      return ((RowBasedMatrix) mat1).calculate(mat2, op);
     } else {
       throw new MathException("The operation is not supported!");
     }
diff --git a/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/UnaryMatrixExecutor.java b/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/UnaryMatrixExecutor.java
index f975a8f..66bfe75 100644
--- a/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/UnaryMatrixExecutor.java
+++ b/src/main/java/com/tencent/angel/ml/math2/ufuncs/executor/matrix/UnaryMatrixExecutor.java
@@ -33,7 +33,7 @@ public static Matrix apply(Matrix mat, Unary op) {
     } else if (mat instanceof BlasFloatMatrix) {
       return apply((BlasFloatMatrix) mat, op);
     } else if (mat instanceof RowBasedMatrix) {
-      return ((RowBasedMatrix) mat).calulate(op);
+      return ((RowBasedMatrix) mat).calculate(op);
     } else {
       throw new MathException("The operation is not supported!");
     }