cov formula corrected

Author: spring-haru

18_ADAS-2.ipynb

@@ -2169,8 +2169,7 @@
   {
    "cell_type": "markdown",
    "metadata": {
-    "heading_collapsed": true,
-    "jp-MarkdownHeadingCollapsed": true
+    "heading_collapsed": true
    },
    "source": [
     "## 付録：分散と共分散の性質"
@@ -2207,12 +2206,19 @@
     "\\begin{align*}\n",
     "\\text{Cov}(X,a)&=0\\\\\n",
     "\\text{Cov}(X,X)&=\\text{Var}(X)\\\\\n",
-    "\\text{Cov}(aX,bY)&=ab\\text{Var}(Y,X)\\\\\n",
-    "\\text{Cov}(X+a,Y+b)&=\\text{Var}(Y,X)\\\\\n",
+    "\\text{Cov}(aX,bY)&=ab\\text{Cov}(Y,X)\\\\\n",
+    "\\text{Cov}(X+a,Y+b)&=\\text{Cov}(Y,X)\\\\\n",
     "\\text{Cov}(aX+bY,cZ+dW)&=ac\\text{Cov}(X,Z)+ad\\text{Cov}(X,W)+bc\\text{Cov}(Y,Z)+bd\\text{Cov}(Y,W)\n",
     "\\end{align*}\n",
     "$$"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {