Sr: adding

Author: sushmit

.ipynb_checkpoints/Python3_chapter4-checkpoint.ipynb

@@ -12,10 +12,10 @@
      "output_type": "stream",
      "text": [
       "b'\\x16\\r\\r\\n'\n",
-      "3.5.1 |Anaconda 2.4.1 (x86_64)| (default, Dec  7 2015, 11:24:55) \n",
+      "3.5.1 |Anaconda 2.5.0 (x86_64)| (default, Dec  7 2015, 11:24:55) \n",
       "[GCC 4.2.1 (Apple Inc. build 5577)]\n",
       "b'\\x16\\r\\r\\n'\n",
-      "3.5.1 |Anaconda 2.4.1 (x86_64)| (default, Dec  7 2015, 11:24:55) \n",
+      "3.5.1 |Anaconda 2.5.0 (x86_64)| (default, Dec  7 2015, 11:24:55) \n",
       "[GCC 4.2.1 (Apple Inc. build 5577)]\n",
       "b'\\x16\\r\\r\\n'\n"
      ]
@@ -125,7 +125,7 @@
     "    return Vec({(r,s) for r in M.D[0] for s in M.D[1]},M.f)\n",
     "print(mat2vec(M))\n",
     "\n",
-    "print(transpose(M))"
+    "print(transpose(M))\n"
    ]
   },
   {
@@ -156,12 +156,13 @@
     "s = Vec(D , {(2,2): one})\n",
     "sol= solve(B, s)\n",
     "print(type(sol))\n",
-    "print(B * sol== s)\n"
+    "print(B * sol== s)\n",
+    "\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 2,
    "metadata": {
     "collapsed": false
    },
@@ -183,7 +184,7 @@
       " gnome hoop putty shooter slinky\n",
       "--------------------------------\n",
       "   240   55   133      90    150\n",
-      "2.6298729313896003e-25\n"
+      "3.493707177042817e-26\n"
      ]
     }
    ],
@@ -212,7 +213,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 3,
    "metadata": {
     "collapsed": false
    },
@@ -329,7 +330,7 @@
     "original_vector = R *find_error(error_syndrome = error_syndrome_var)\n",
     "print(original_vector)\n",
     "\n",
-    "# Task 4.4.17\n",
+    "# Task 4.14.17\n",
     "def find_error_matrix(S):\n",
     "    return coldict2mat([find_error(error_syndrome =col_value)\n",
     "                 for col_value in mat2coldict(S).values()])\n",
@@ -354,9 +355,9 @@
     "# Putting it all together \n",
     "s = ''.join([chr(i) for i in range(256)])\n",
     "print(s)\n",
-    "# Task 4.4.18\n",
+    "# Task 4.14.18\n",
     "bits2str(str2bits('This is test'))\n",
-    "# Task 4.4.19\n",
+    "# Task 4.14.19\n",
     "print(bits2str(mat2bits(bits2mat(str2bits('This')))))\n",
     "\n",
     "# Task 4.14.10\n",
@@ -374,11 +375,70 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "        5\n",
+      "     ----\n",
+      " a  |   3\n",
+      " b  |   9\n",
+      " c  |  13\n",
+      "\n",
+      "\n",
+      "           False True\n",
+      "         ------------\n",
+      " ((),)  |      0    2\n",
+      "     7  |      1    0\n",
+      "\n",
+      "\n",
+      "       a\n",
+      "     ---\n",
+      " 1  |  6\n",
+      " 3  |  0\n",
+      " 5  |  2\n",
+      "\n",
+      "False\n",
+      "('b', 'A')\n",
+      "('a', 'B')\n",
+      "('b', 'B')\n",
+      "0\n",
+      "True\n",
+      "True\n",
+      "({'b', 'a'}, {'B', 'A'})\n",
+      "Addition starts\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "Testing Mat * Vec\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "Testing Vec* Mat\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "testing for mat * mat\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n"
+     ]
+    }
+   ],
    "source": [
     "\n",
     "# Problem 4.7.12\n",
@@ -495,11 +555,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "15\n",
+      "5\n",
+      "0\n",
+      "0\n",
+      "\n",
+      "       c  d\n",
+      "     ------\n",
+      " a  |  0  5\n",
+      " b  |  0 15\n",
+      "\n"
+     ]
+    }
+   ],
    "source": [
     "E = Mat(({'a','b'},{'A','B'}), {('a','A'):1,('a','B'):2,('b','A'):3,('b','B'):4})\n",
     "F = Mat(({'A','B'},{'c','d'}),{('A','d'):5})\n",