Added(A)/Deleted(D) following books

 M  hfgd_by_Gayakwad/README.txt
A  hfgd_by_Gayakwad/ami.ipynb
A  hfgd_by_Gayakwad/screenshots/amit_Das.png
A  hfgd_by_Gayakwad/screenshots/anshul_gvBijDQ.png
A  hfgd_by_Gayakwad/screenshots/array_factor.png
A  "sample_notebooks/Nitin Kumar/chapter2.ipynb"
A  "sample_notebooks/amit kumarsaini/Chapter4.ipynb"

5 files changed, 238 insertions, 8 deletions

diff --git a/hfgd_by_Gayakwad/README.txt b/hfgd_by_Gayakwad/README.txt
index 55aba71c..c20c3d73 100755
--- a/hfgd_by_Gayakwad/README.txt
+++ b/hfgd_by_Gayakwad/README.txt
@@ -1,10 +1,10 @@
-Contributed By: Jeevan Lal
-Course: me
-College/Institute/Organization: MPBtech. ECE, 6th SemVNIT Nagpur
-Department/Designation: MPBtech. ECE, 6th SemVNIT Nagpur
+Contributed By: Kushal R
+Course: mscit
+College/Institute/Organization: -
+Department/Designation: -
 Book Title: hfgd
 Author: Gayakwad
-Publisher: sdf
-Year of publication: 2001
-Isbn: 444
-Edition: 9
\ No newline at end of file
+Publisher: e
+Year of publication: 3
+Isbn: 67
+Edition: r
\ No newline at end of file
diff --git a/hfgd_by_Gayakwad/ami.ipynb b/hfgd_by_Gayakwad/ami.ipynb
new file mode 100644
index 00000000..c1ea8d5d
--- /dev/null
+++ b/hfgd_by_Gayakwad/ami.ipynb
@@ -0,0 +1,230 @@
+{

+ "metadata": {

+  "name": "",

+  "signature": "sha256:52168f8cf69a70c4ff180e7d64c2bf193739db268ee5cdc6db9f3696c7774225"

+ },

+ "nbformat": 3,

+ "nbformat_minor": 0,

+ "worksheets": [

+  {

+   "cells": [

+    {

+     "cell_type": "heading",

+     "level": 1,

+     "metadata": {},

+     "source": [

+      "Chapter4-Basic Terms of Physics and Engineering"

+     ]

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Ex1-pg61"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#find the area piston for given parameters\n",

+      "#given\n",

+      "a=3.\n",

+      "#diameter squared\n",

+      "#calculation\n",

+      "A=0.785*3**2\n",

+      "print\"%s %.2f %s\"%(\"area of piston \",A,\"\")\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "area of piston  7.07 \n"

+       ]

+      }

+     ],

+     "prompt_number": 1

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Ex2-pg62"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#given\n",

+      "#find the area of piston and displacement of that piston\n",

+      "a=3.\n",

+      "b=4.\n",

+      "A=0.785*3**2\n",

+      "print\"%s %.2f %s\"%(\"area of piston \",A,\"\")\n",

+      "D=A*b\n",

+      "#by using above results\n",

+      "print\"%s %.2f %s\"%(\"displacement of piston \",D,\"cu in\")"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "area of piston  7.07 \n",

+        "displacement of piston  28.26 cu in\n"

+       ]

+      }

+     ],

+     "prompt_number": 2

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Ex3-pg63"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#given\n",

+      "#find the piston speed\n",

+      "pa=9.\n",

+      "S=1600.\n",

+      "#average piston velocity =distance traveld/time to travel\n",

+      "#first divide by 1 min and u will get same result late divide by 12 because to express per minute\n",

+      "Ps=(pa*S)/(12.)\n",

+      "print\"%s %.2f %s\"%(\"piston speed \",Ps,\"ft per min\")"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "piston speed  1200.00 ft per min\n"

+       ]

+      }

+     ],

+     "prompt_number": 3

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Ex4-pg65"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#given\n",

+      "#compute the average acceleration  `\n",

+      "#pressure= force/area\n",

+      "#first express the velocity in ft per sec.time\n",

+      "t=5.\n",

+      "v=9000.\n",

+      "Min=(9000./60.)\n",

+      "Aa=(Min/t)\n",

+      "print\"%s %.2f %s\"%(\"average acceleration\",Aa,\"ft per sec^2\")"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "average acceleration 30.00 ft per sec^2\n"

+       ]

+      }

+     ],

+     "prompt_number": 4

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Ex5-pg65"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#compute the pressure force\n",

+      "#given\n",

+      "w=12000.\n",

+      "p=6.\n",

+      "a=10**2\n",

+      "f=p*a\n",

+      "P=w/f\n",

+      "print\"%s %.2f %s\"%(\"pressure  \",P,\"Psi\")"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "pressure   20.00 Psi\n"

+       ]

+      }

+     ],

+     "prompt_number": 5

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Ex6-pg66"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#given\n",

+      "#compute the gas force action on pistion \n",

+      "#use the figure to compute it \n",

+      "p=500.\n",

+      "D=5**2\n",

+      "#force=pressure*area\n",

+      "area=0.785*D\n",

+      "F=p*area\n",

+      "print\"%s %.2f %s\"%(\"force \",F,\"lb\")"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "force  9812.50 lb\n"

+       ]

+      }

+     ],

+     "prompt_number": 6

+    }

+   ],

+   "metadata": {}

+  }

+ ]

+}
\ No newline at end of file
diff --git a/hfgd_by_Gayakwad/screenshots/amit_Das.png b/hfgd_by_Gayakwad/screenshots/amit_Das.png
new file mode 100644
index 00000000..1789360b
--- /dev/null
+++ b/hfgd_by_Gayakwad/screenshots/amit_Das.png
diff --git a/hfgd_by_Gayakwad/screenshots/anshul_gvBijDQ.png b/hfgd_by_Gayakwad/screenshots/anshul_gvBijDQ.png
new file mode 100644
index 00000000..a8cec645
--- /dev/null
+++ b/hfgd_by_Gayakwad/screenshots/anshul_gvBijDQ.png
diff --git a/hfgd_by_Gayakwad/screenshots/array_factor.png b/hfgd_by_Gayakwad/screenshots/array_factor.png
new file mode 100644
index 00000000..9e294010
--- /dev/null
+++ b/hfgd_by_Gayakwad/screenshots/array_factor.png