1 files changed, 43 insertions, 20 deletions
diff --git a/Applied_Physics_by_S._Mani_Naidu/Chapter3.ipynb b/Applied_Physics_by_S._Mani_Naidu/Chapter3.ipynb
index 1af94463..69e1a5ee 100644
--- a/Applied_Physics_by_S._Mani_Naidu/Chapter3.ipynb
+++ b/Applied_Physics_by_S._Mani_Naidu/Chapter3.ipynb
@@ -16,7 +16,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 1,
    "metadata": {
     "collapsed": false
    },
@@ -60,7 +60,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 2,
    "metadata": {
     "collapsed": false
    },
@@ -102,7 +102,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 3,
    "metadata": {
     "collapsed": false
    },
@@ -142,11 +142,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {
-    "collapsed": true
+    "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "ratio d100:d110:d111 is 1 *math.sqrt(6) : 1 *math.sqrt(3) : 1 *math.sqrt(2)\n"
+     ]
+    }
+   ],
    "source": [
     "#importing modules\n",
     "import math\n",
@@ -165,30 +173,37 @@
     "a=1;     #assume\n",
     "\n",
     "#Calculation\n",
-    "d100=a/math.sqrt(h1**2+k1**2+l1**2);    #spacing(nm)\n",
+    "d100=a/math.sqrt(h1**2+k1**2+l1**2);    #spacing(nm)                          \n",
     "d110=a/math.sqrt(h2**2+k2**2+l2**2);    #spacing(nm)\n",
     "d111=a/math.sqrt(h3**2+k3**2+l3**2);    #spacing(nm)\n",
+    "x=int(1/d100)**2;\n",
+    "y=int((1/d110)**2);\n",
+    "z=int(round((1/d111)**2));       #taking squares of the value of spacing since lcm function doesnt work on square root\n",
     "\n",
-    "def lcm(x, y):\n",
-    "    if x > y:\n",
-    "        greater = x\n",
-    "    else:\n",
+    "def lcm(y, z):\n",
+    "    if y > z:\n",
     "        greater = y\n",
+    "    else:\n",
+    "        greater = z\n",
     "    while(True):\n",
-    "        if((greater % x == 0) and (greater % y == 0)):\n",
+    "        if((greater % y == 0) and (greater % z == 0)):\n",
     "            lcm = greater\n",
     "            break\n",
     "        greater += 1\n",
     "        \n",
     "    return lcm\n",
     "\n",
-    "lcm=lcm(1/d110,1/d111);\n",
-    "d100=d100*lcm;\n",
-    "d110=d110*lcm;\n",
-    "d111=d111*lcm;      #ratio d100:d110:d111\n",
+    "l=lcm(y,z);\n",
+    "l=math.sqrt(l);\n",
+    "d1=d100*l;\n",
+    "d10=d110*l;\n",
+    "d11=d111*l;      #ratio d100:d110:d111\n",
+    "d1=int(d1/math.sqrt(6));\n",
+    "d10=int(round(d10/math.sqrt(3)));\n",
+    "d11=int(d11/math.sqrt(2));\n",
     "\n",
     "#Result\n",
-    "print \"ratio d100:d110:d111 is\",d100/math.sqrt(6),\"*math.sqrt(6)\",d110/math.sqrt(3),\"*math.sqrt(3)\",d111/math.sqrt(2),\"*math.sqrt(2)\""
+    "print \"ratio d100:d110:d111 is\",d1,\"*math.sqrt(6) :\",d10,\"*math.sqrt(3) :\",d11,\"*math.sqrt(2)\""
    ]
   },
   {
@@ -200,11 +215,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "lattice parameter is 3.522 angstrom\n"
+     ]
+    }
+   ],
    "source": [
     "#importing modules\n",
     "import math\n",
@@ -235,7 +258,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 1,
    "metadata": {
     "collapsed": false
    },