Changes during Python class

Author: Loljaca

notebook/Python-1.ipynb

@@ -79,18 +79,15 @@
    },
    "outputs": [
     {
-     "ename": "TypeError",
-     "evalue": "unsupported operand type(s) for ^: 'float' and 'int'",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-2-2cffe887fbc6>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mprint\u001b[0m \u001b[0;36m5\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0;36m0.6\u001b[0m \u001b[0;34m-\u001b[0m \u001b[0;36m0.5\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0;36m9.81\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0;36m0.6\u001b[0m\u001b[0;34m^\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
-      "\u001b[0;31mTypeError\u001b[0m: unsupported operand type(s) for ^: 'float' and 'int'"
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1.2342\n"
      ]
     }
    ],
    "source": [
-    "print 5*0.6 - 0.5*9.81*0.6^2"
+    "print 5*0.6 - 0.5*9.81*0.6**2"
    ]
   },
   {
@@ -218,7 +215,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 20,
    "metadata": {
     "collapsed": false
    },
@@ -250,12 +247,33 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 17,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "(262.20472440944883, 21.850393700787404, 7.283464566929134, 3.0)\n",
+      "21.8503937008\n",
+      "7.28346456693\n",
+      "3.0\n"
+     ]
+    }
+   ],
+   "source": [
+    "length=666 #meters\n",
+    "Inches=length/2.54\n",
+    "Feet=Inches/12\n",
+    "Yards=Feet/3\n",
+    "Miles=Feet/Yards\n",
+    "print (Inches, Feet, Yards, Miles)\n",
+    "print Feet\n",
+    "print Yards\n",
+    "print Miles"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -267,7 +285,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 24,
    "metadata": {
     "collapsed": false
    },
@@ -276,12 +294,12 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "At t=0.6 s, y is 1.23 m.\n"
+      "At t=0.6s, y is 1.234 m.\n"
      ]
     }
    ],
    "source": [
-    "print \"At t=%g s, y is %.2f m.\" % (t, y)"
+    "print \"At t=%gs, y is %.3f m.\" % (t, y)"
    ]
   },
   {
@@ -334,12 +352,35 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 46,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0.333333333333\n",
+      "Drag force is 5.1 kgm/s2 and the force of gravity is 4.2 kgm/s2\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "Cd=0.2\n",
+    "Density=1.2 #kg/m3\n",
+    "Area= math.pi*11**2 #m^2\n",
+    "V=120 #km/h\n",
+    "V=V/(60.0*60.0) #km/h\n",
+    "V=V*10\n",
+    "m=0.43 #kg\n",
+    "g = 9.81\n",
+    "Fd=0.5*Cd*Density*Area*V**2\n",
+    "Fm=m*g\n",
+    "print V\n",
+    "print \"Drag force is %.1f kgm/s2 and the force of gravity is %.1f kgm/s2\" % (Fd, Fm)\n"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -434,12 +475,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 56,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Amount after 3 years is 1158 EUR\n"
+     ]
+    }
+   ],
+   "source": [
+    "Initial=1000 #EUR\n",
+    "n=3\n",
+    "Amountn=Initial*(1+5/100.0)**n\n",
+    "print \"Amount after %g years is %.f EUR\" %(n, Amountn)"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -589,19 +643,36 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 62,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "(-0.25+0.968245836552j) (-0.25-0.968245836552j)\n"
+     ]
+    }
+   ],
    "source": [
     "a = 2; b = 1; c = 2\n",
-    "from math import sqrt\n",
+    "from cmath import sqrt\n",
     "q = sqrt(b*b - 4*a*c)\n",
-    "x1 = (-b + q)/2*a\n",
-    "x2 = (-b - q)/2*a\n",
+    "x1 = (-b + q)/(2*a)\n",
+    "x2 = (-b - q)/(2*a)\n",
     "print x1, x2"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
@@ -620,7 +691,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython2",
-   "version": "2.7.10"
+   "version": "2.7.6"
   }
  },
  "nbformat": 4,