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-rw-r--r--_Programming_With_C/chapter11.ipynb745
1 files changed, 697 insertions, 48 deletions
diff --git a/_Programming_With_C/chapter11.ipynb b/_Programming_With_C/chapter11.ipynb
index 1f4127e4..d858cd07 100644
--- a/_Programming_With_C/chapter11.ipynb
+++ b/_Programming_With_C/chapter11.ipynb
@@ -1,6 +1,7 @@
{
"metadata": {
- "name": "chapter11"
+ "name": "",
+ "signature": "sha256:81f953770b0acac35782d6d61b5968cf0c7681b2e047ca75cfe8abd7244d5bab"
},
"nbformat": 3,
"nbformat_minor": 0,
@@ -10,24 +11,49 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h1>Chapter 11: Pointers<h1>"
+ "source": [
+ "<h1>Chapter 11: Pointers<h1>"
+ ]
},
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.1, Page 11.2<h3>"
+ "source": [
+ "<h3>Example 11.1, Page 11.2<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# realtionship between two variables, their address and associated pointers\n\n\nu,v=[3],[]\npu=u\nv=pu\npv=v\n\nprint \"u=\",u[0],\nprint \"&u=\",id(u),\nprint \"pu=\",id(u),\nprint \"*pu\",pu[0]\n\nprint \"v=\",v[0],\nprint \"&v=\",id(v),\nprint \"pv=\",id(v),\nprint \"*pv\",pv[0]\n",
+ "input": [
+ "\n",
+ "\n",
+ "\n",
+ "u,v=[3],[]\n",
+ "pu=u\n",
+ "v=pu\n",
+ "pv=v\n",
+ "\n",
+ "print \"u=\",u[0],\n",
+ "print \"&u=\",id(u),\n",
+ "print \"pu=\",id(u),\n",
+ "print \"*pu\",pu[0]\n",
+ "\n",
+ "print \"v=\",v[0],\n",
+ "print \"&v=\",id(v),\n",
+ "print \"pv=\",id(v),\n",
+ "print \"*pv\",pv[0]\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "u= 3 &u= 56575840 pu= 56575840 *pu 3\nv= 3 &v= 56575840 pv= 56575840 *pv 3\n"
+ "text": [
+ "u= 3 &u= 56575840 pu= 56575840 *pu 3\n",
+ "v= 3 &v= 56575840 pv= 56575840 *pv 3\n"
+ ]
}
],
"prompt_number": 11
@@ -35,19 +61,32 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.2, Page number: 11.3<h3>"
+ "source": [
+ "<h3>Example 11.2, Page number: 11.3<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# a simple program using pointers\n\n\nv=[3]\nu1=2*(v[0]+5)\npv=v\nu2=2*(pv[0]+5)\n\nprint \"u1=%d u2=%d\" %(u1,u2)",
+ "input": [
+ "\n",
+ "\n",
+ "v=[3]\n",
+ "u1=2*(v[0]+5)\n",
+ "pv=v\n",
+ "u2=2*(pv[0]+5)\n",
+ "\n",
+ "print \"u1=%d u2=%d\" %(u1,u2)"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "u1=16 u2=16\n"
+ "text": [
+ "u1=16 u2=16\n"
+ ]
}
],
"prompt_number": 12
@@ -55,19 +94,32 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.3, Page munber: 11.4<h3>"
+ "source": [
+ "<h3>Example 11.3, Page munber: 11.4<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# a simple programme using pointers\n\nv=[3]\npv=v\nprint \"*pv=%d v=%d\" %(pv[0],v[0])\n\npv[0]=0\nprint \"*pv=%d v=%d\" %(pv[0],v[0])",
+ "input": [
+ "\n",
+ "v=[3]\n",
+ "pv=v\n",
+ "print \"*pv=%d v=%d\" %(pv[0],v[0])\n",
+ "\n",
+ "pv[0]=0\n",
+ "print \"*pv=%d v=%d\" %(pv[0],v[0])"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "*pv=3 v=3\n*pv=0 v=0\n"
+ "text": [
+ "*pv=3 v=3\n",
+ "*pv=0 v=0\n"
+ ]
}
],
"prompt_number": 13
@@ -75,19 +127,53 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.7, Page number: 11.6<h3>"
+ "source": [
+ "<h3>Example 11.7, Page number: 11.6<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# difference between by pass by reference and pass by value\n\n\ndef funct1(u,v):\n u=0\n v=0\n print \"Within funct1 : u=%d v=%d\" %(u,v)\n return\n\ndef funct2(u,v):\n u[0]=0\n v[0]=0\n print \"Within funct2 : *pu=%d *pv=%d\" %(u[0],v[0])\n return\n\nu=[1]\nv=[3]\n\nprint \"Before calling funct1: u=%d v=%d\" %(u[0],v[0])\nfunct1(u[0],v[0])\nprint \"After calling funct1 : u=%d v=%d\" %(u[0],v[0])\n\nprint \"Before calling funct2: u=%d v=%d\" %(u[0],v[0])\nfunct2(u,v)\nprint \"After calling funct2 : u=%d v=%d\" %(u[0],v[0])",
+ "input": [
+ "\n",
+ "\n",
+ "def funct1(u,v):\n",
+ " u=0\n",
+ " v=0\n",
+ " print \"Within funct1 : u=%d v=%d\" %(u,v)\n",
+ " return\n",
+ "\n",
+ "def funct2(u,v):\n",
+ " u[0]=0\n",
+ " v[0]=0\n",
+ " print \"Within funct2 : *pu=%d *pv=%d\" %(u[0],v[0])\n",
+ " return\n",
+ "\n",
+ "u=[1]\n",
+ "v=[3]\n",
+ "\n",
+ "print \"Before calling funct1: u=%d v=%d\" %(u[0],v[0])\n",
+ "funct1(u[0],v[0])\n",
+ "print \"After calling funct1 : u=%d v=%d\" %(u[0],v[0])\n",
+ "\n",
+ "print \"Before calling funct2: u=%d v=%d\" %(u[0],v[0])\n",
+ "funct2(u,v)\n",
+ "print \"After calling funct2 : u=%d v=%d\" %(u[0],v[0])"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "Before calling funct1: u=1 v=3\nWithin funct1 : u=0 v=0\nAfter calling funct1 : u=1 v=3\nBefore calling funct2: u=1 v=3\nWithin funct2 : *pu=0 *pv=0\nAfter calling funct2 : u=0 v=0\n"
+ "text": [
+ "Before calling funct1: u=1 v=3\n",
+ "Within funct1 : u=0 v=0\n",
+ "After calling funct1 : u=1 v=3\n",
+ "Before calling funct2: u=1 v=3\n",
+ "Within funct2 : *pu=0 *pv=0\n",
+ "After calling funct2 : u=0 v=0\n"
+ ]
}
],
"prompt_number": 14
@@ -95,19 +181,62 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.8, Page number: 11.8<h3>"
+ "source": [
+ "<h3>Example 11.8, Page number: 11.8<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# Analyzing a line of text\n\n\n\ndef scan_line(line,pv,pc,pd,pw,po):\n\n for c in line:\n\n if c=='A' or c=='E' or c=='I' or c=='O' or c=='U':\n pv[0]+=1\n elif c>='A' and c<='Z':\n pc[0]+=1\n elif c>='0' and c<='9':\n pd[0]+=1\n elif c==' ' or c=='\\t':\n pw[0]+=1\n else:\n po[0]+=1\n\n return\n\n\nvowel,consonants,digits,whitespc,other=[0],[0],[0],[0],[0]\nline=\"Personal computers with memories in excess of 4096 KB are now quite common.\"\nline=line.upper()\nscan_line(line,vowel,consonants,digits,whitespc,other)\nprint \"\\n\\n\"\nprint \"No. of vowels : \",vowel[0]\nprint \"No. of consonants : \",consonants[0]\nprint \"No. of digits : \",digits[0]\nprint \"No. of whitespace characters : \",whitespc[0]\nprint \"No. of other characters : \",other[0]",
+ "input": [
+ "\n",
+ "\n",
+ "\n",
+ "def scan_line(line,pv,pc,pd,pw,po):\n",
+ "\n",
+ " for c in line:\n",
+ "\n",
+ " if c=='A' or c=='E' or c=='I' or c=='O' or c=='U':\n",
+ " pv[0]+=1\n",
+ " elif c>='A' and c<='Z':\n",
+ " pc[0]+=1\n",
+ " elif c>='0' and c<='9':\n",
+ " pd[0]+=1\n",
+ " elif c==' ' or c=='\\t':\n",
+ " pw[0]+=1\n",
+ " else:\n",
+ " po[0]+=1\n",
+ "\n",
+ " return\n",
+ "\n",
+ "\n",
+ "vowel,consonants,digits,whitespc,other=[0],[0],[0],[0],[0]\n",
+ "line=\"Personal computers with memories in excess of 4096 KB are now quite common.\"\n",
+ "line=line.upper()\n",
+ "scan_line(line,vowel,consonants,digits,whitespc,other)\n",
+ "print \"\\n\\n\"\n",
+ "print \"No. of vowels : \",vowel[0]\n",
+ "print \"No. of consonants : \",consonants[0]\n",
+ "print \"No. of digits : \",digits[0]\n",
+ "print \"No. of whitespace characters : \",whitespc[0]\n",
+ "print \"No. of other characters : \",other[0]"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "\n\n\nNo. of vowels : 23\nNo. of consonants : 35\nNo. of digits : 4\nNo. of whitespace characters : 12\nNo. of other characters : 1\n"
+ "text": [
+ "\n",
+ "\n",
+ "\n",
+ "No. of vowels : 23\n",
+ "No. of consonants : 35\n",
+ "No. of digits : 4\n",
+ "No. of whitespace characters : 12\n",
+ "No. of other characters : 1\n"
+ ]
}
],
"prompt_number": 15
@@ -115,19 +244,40 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.12, Page number: 11.15<h3>"
+ "source": [
+ "<h3>Example 11.12, Page number: 11.15<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# unlike C in python the elements of a list are not arranged in memory uniformly\n\nx=[10,11,12,13,14,15,16,17,18,19]\n\nfor i in range(0,10):\n print \"i=%d x[i]=%d *(x+1)=%d\" %(i,x[i],x[i]),\n print \" &x[i]=\",id(x[i]),\n print \" x+i=\",id(x[i])",
+ "input": [
+ "\n",
+ "x=[10,11,12,13,14,15,16,17,18,19]\n",
+ "\n",
+ "for i in range(0,10):\n",
+ " print \"i=%d x[i]=%d *(x+1)=%d\" %(i,x[i],x[i]),\n",
+ " print \" &x[i]=\",id(x[i]),\n",
+ " print \" x+i=\",id(x[i])"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "i=0 x[i]=10 *(x+1)=10 &x[i]= 30696620 x+i= 30696620\ni=1 x[i]=11 *(x+1)=11 &x[i]= 30696608 x+i= 30696608\ni=2 x[i]=12 *(x+1)=12 &x[i]= 30696596 x+i= 30696596\ni=3 x[i]=13 *(x+1)=13 &x[i]= 30696584 x+i= 30696584\ni=4 x[i]=14 *(x+1)=14 &x[i]= 30696572 x+i= 30696572\ni=5 x[i]=15 *(x+1)=15 &x[i]= 30696560 x+i= 30696560\ni=6 x[i]=16 *(x+1)=16 &x[i]= 30696548 x+i= 30696548\ni=7 x[i]=17 *(x+1)=17 &x[i]= 30696536 x+i= 30696536\ni=8 x[i]=18 *(x+1)=18 &x[i]= 30696524 x+i= 30696524\ni=9 x[i]=19 *(x+1)=19 &x[i]= 30696512 x+i= 30696512\n"
+ "text": [
+ "i=0 x[i]=10 *(x+1)=10 &x[i]= 30696620 x+i= 30696620\n",
+ "i=1 x[i]=11 *(x+1)=11 &x[i]= 30696608 x+i= 30696608\n",
+ "i=2 x[i]=12 *(x+1)=12 &x[i]= 30696596 x+i= 30696596\n",
+ "i=3 x[i]=13 *(x+1)=13 &x[i]= 30696584 x+i= 30696584\n",
+ "i=4 x[i]=14 *(x+1)=14 &x[i]= 30696572 x+i= 30696572\n",
+ "i=5 x[i]=15 *(x+1)=15 &x[i]= 30696560 x+i= 30696560\n",
+ "i=6 x[i]=16 *(x+1)=16 &x[i]= 30696548 x+i= 30696548\n",
+ "i=7 x[i]=17 *(x+1)=17 &x[i]= 30696536 x+i= 30696536\n",
+ "i=8 x[i]=18 *(x+1)=18 &x[i]= 30696524 x+i= 30696524\n",
+ "i=9 x[i]=19 *(x+1)=19 &x[i]= 30696512 x+i= 30696512\n"
+ ]
}
],
"prompt_number": 16
@@ -135,19 +285,38 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.14, Page number: 11.17<h3>"
+ "source": [
+ "<h3>Example 11.14, Page number: 11.17<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# string as one dimensional character array\n\ndef main():\n global x\n y=\"This string is declared within main\"\n y=list(y)\n x=list(x)\n print x\n print y\n\n return\n\nx=\"This string is declared externally\"\nmain()\n",
+ "input": [
+ "\n",
+ "def main():\n",
+ " global x\n",
+ " y=\"This string is declared within main\"\n",
+ " y=list(y)\n",
+ " x=list(x)\n",
+ " print x\n",
+ " print y\n",
+ "\n",
+ " return\n",
+ "\n",
+ "x=\"This string is declared externally\"\n",
+ "main()\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "['T', 'h', 'i', 's', ' ', 's', 't', 'r', 'i', 'n', 'g', ' ', 'i', 's', ' ', 'd', 'e', 'c', 'l', 'a', 'r', 'e', 'd', ' ', 'e', 'x', 't', 'e', 'r', 'n', 'a', 'l', 'l', 'y']\n['T', 'h', 'i', 's', ' ', 's', 't', 'r', 'i', 'n', 'g', ' ', 'i', 's', ' ', 'd', 'e', 'c', 'l', 'a', 'r', 'e', 'd', ' ', 'w', 'i', 't', 'h', 'i', 'n', ' ', 'm', 'a', 'i', 'n']\n"
+ "text": [
+ "['T', 'h', 'i', 's', ' ', 's', 't', 'r', 'i', 'n', 'g', ' ', 'i', 's', ' ', 'd', 'e', 'c', 'l', 'a', 'r', 'e', 'd', ' ', 'e', 'x', 't', 'e', 'r', 'n', 'a', 'l', 'l', 'y']\n",
+ "['T', 'h', 'i', 's', ' ', 's', 't', 'r', 'i', 'n', 'g', ' ', 'i', 's', ' ', 'd', 'e', 'c', 'l', 'a', 'r', 'e', 'd', ' ', 'w', 'i', 't', 'h', 'i', 'n', ' ', 'm', 'a', 'i', 'n']\n"
+ ]
}
],
"prompt_number": 17
@@ -155,19 +324,71 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.16, Page number: 11.19<h3>"
+ "source": [
+ "<h3>Example 11.16, Page number: 11.19<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# Reoedering a list of numbers\n\n\ndef reorder(x):\n n=len(x)\n for item in range(0,n-1):\n for i in range(item+1,n):\n if x[i]<x[item]:\n temp=x[item]\n x[item]=x[i]\n x[i]=temp\n\n return\n\nn=10\nx=[]\n\nfor i in range(0,n):\n inp=i+1\n print \"\\ni=%d x=%d\" %(i+1,inp),\n x.append(inp)\n\nreorder(x)\n\nprint \"\\n\"\nfor i in range(0,n):\n print \"i=%d x=%d\" %(i+1,x[i])\n",
+ "input": [
+ "\n",
+ "\n",
+ "def reorder(x):\n",
+ " n=len(x)\n",
+ " for item in range(0,n-1):\n",
+ " for i in range(item+1,n):\n",
+ " if x[i]<x[item]:\n",
+ " temp=x[item]\n",
+ " x[item]=x[i]\n",
+ " x[i]=temp\n",
+ "\n",
+ " return\n",
+ "\n",
+ "n=10\n",
+ "x=[]\n",
+ "\n",
+ "for i in range(0,n):\n",
+ " inp=i+1\n",
+ " print \"\\ni=%d x=%d\" %(i+1,inp),\n",
+ " x.append(inp)\n",
+ "\n",
+ "reorder(x)\n",
+ "\n",
+ "print \"\\n\"\n",
+ "for i in range(0,n):\n",
+ " print \"i=%d x=%d\" %(i+1,x[i])\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "\ni=1 x=1 \ni=2 x=2 \ni=3 x=3 \ni=4 x=4 \ni=5 x=5 \ni=6 x=6 \ni=7 x=7 \ni=8 x=8 \ni=9 x=9 \ni=10 x=10 \n\ni=1 x=1\ni=2 x=2\ni=3 x=3\ni=4 x=4\ni=5 x=5\ni=6 x=6\ni=7 x=7\ni=8 x=8\ni=9 x=9\ni=10 x=10\n"
+ "text": [
+ "\n",
+ "i=1 x=1 \n",
+ "i=2 x=2 \n",
+ "i=3 x=3 \n",
+ "i=4 x=4 \n",
+ "i=5 x=5 \n",
+ "i=6 x=6 \n",
+ "i=7 x=7 \n",
+ "i=8 x=8 \n",
+ "i=9 x=9 \n",
+ "i=10 x=10 \n",
+ "\n",
+ "i=1 x=1\n",
+ "i=2 x=2\n",
+ "i=3 x=3\n",
+ "i=4 x=4\n",
+ "i=5 x=5\n",
+ "i=6 x=6\n",
+ "i=7 x=7\n",
+ "i=8 x=8\n",
+ "i=9 x=9\n",
+ "i=10 x=10\n"
+ ]
}
],
"prompt_number": 18
@@ -175,19 +396,40 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.17, Page number: 11.21<h3>"
+ "source": [
+ "<h3>Example 11.17, Page number: 11.21<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# Pointer arithmetic doesnt exixt in python\n\ni=[4]\ni[0]=1\nf=0.3\nd=0.005\nc='*'\n\npx=i\nprint 'Values: i=%d f=%f d=%f c=%c \\n' %(i[0],f,d,c)\nprint 'Addresses: &i=%X &f=%X &d=%X &c=%X \\n' %(id(i[0]),id(f),id(d),id(c))\nprint 'Pointer Values: px=%X px+1=%X px+2=%X px+3=%X' %(id(px[0]),id(px[0]+1),id(px[0]+2),id(px[0]+3))\n\n",
+ "input": [
+ "\n",
+ "i=[4]\n",
+ "i[0]=1\n",
+ "f=0.3\n",
+ "d=0.005\n",
+ "c='*'\n",
+ "\n",
+ "px=i\n",
+ "print 'Values: i=%d f=%f d=%f c=%c \\n' %(i[0],f,d,c)\n",
+ "print 'Addresses: &i=%X &f=%X &d=%X &c=%X \\n' %(id(i[0]),id(f),id(d),id(c))\n",
+ "print 'Pointer Values: px=%X px+1=%X px+2=%X px+3=%X' %(id(px[0]),id(px[0]+1),id(px[0]+2),id(px[0]+3))\n",
+ "\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "Values: i=1 f=0.300000 d=0.005000 c=* \n\nAddresses: &i=1D46518 &f=32BD940 &d=32BD950 &c=1D9F158 \n\nPointer Values: px=1D46518 px+1=1D4650C px+2=1D46500 px+3=1D464F4\n"
+ "text": [
+ "Values: i=1 f=0.300000 d=0.005000 c=* \n",
+ "\n",
+ "Addresses: &i=1D46518 &f=32BD940 &d=32BD950 &c=1D9F158 \n",
+ "\n",
+ "Pointer Values: px=1D46518 px+1=1D4650C px+2=1D46500 px+3=1D464F4\n"
+ ]
}
],
"prompt_number": 19
@@ -195,19 +437,34 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.18, Page number: 11.22<h3>"
+ "source": [
+ "<h3>Example 11.18, Page number: 11.22<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# two different pointer variable points to the first and last element of an integer array\n\na=[1,2,3,4,5,6]\n\npx=a[0]\npy=a[5]\n\nprint 'px=%X py=%X \\n' %(id(px),id(py))\nprint 'py - px = %X' %(id(py)-id(px))",
+ "input": [
+ "\n",
+ "a=[1,2,3,4,5,6]\n",
+ "\n",
+ "px=a[0]\n",
+ "py=a[5]\n",
+ "\n",
+ "print 'px=%X py=%X \\n' %(id(px),id(py))\n",
+ "print 'py - px = %X' %(id(py)-id(px))"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "px=1D46518 py=1D464DC \n\npy - px = -3C\n"
+ "text": [
+ "px=1D46518 py=1D464DC \n",
+ "\n",
+ "py - px = -3C\n"
+ ]
}
],
"prompt_number": 20
@@ -215,19 +472,96 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.22, Page number: 11.26<h3>"
+ "source": [
+ "<h3>Example 11.22, Page number: 11.26<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# adding two tables of numbers\n\ndef readinput(m,n,i=0):\n\n at=[]\n for row in range(0,m):\n temp=[]\n for col in range(0,n):\n t=i\n i+=2\n temp.append(t)\n at.append(temp)\n\n\n return at\n \ndef computesum(a,b,m,n):\n\n c=[]\n\n for row in range(0,m):\n temp=[]\n for col in range(0,n):\n t=a[row][col]+b[row][col]\n temp.append(t)\n c.append(temp)\n\n return c\n\ndef writeoutput(c,m,n):\n\n for row in range(0,m):\n for col in range(0,n):\n print \"%4d\" %(c[row][col]),\n print\n\n return\n\n\n\nprint \"\\n FIRST TABLE : \\n\"\na=readinput(5,5,1)\nwriteoutput(a,5,5)\n\nprint \"\\n SECOND TABLE : \\n\"\nb=readinput(5,5,50)\nwriteoutput(b,5,5)\n\nc=computesum(a,b,5,5)\nprint \"Sums of the elements : \\n\"\nwriteoutput(c,5,5)\n",
+ "input": [
+ "\n",
+ "def readinput(m,n,i=0):\n",
+ "\n",
+ " at=[]\n",
+ " for row in range(0,m):\n",
+ " temp=[]\n",
+ " for col in range(0,n):\n",
+ " t=i\n",
+ " i+=2\n",
+ " temp.append(t)\n",
+ " at.append(temp)\n",
+ "\n",
+ "\n",
+ " return at\n",
+ " \n",
+ "def computesum(a,b,m,n):\n",
+ "\n",
+ " c=[]\n",
+ "\n",
+ " for row in range(0,m):\n",
+ " temp=[]\n",
+ " for col in range(0,n):\n",
+ " t=a[row][col]+b[row][col]\n",
+ " temp.append(t)\n",
+ " c.append(temp)\n",
+ "\n",
+ " return c\n",
+ "\n",
+ "def writeoutput(c,m,n):\n",
+ "\n",
+ " for row in range(0,m):\n",
+ " for col in range(0,n):\n",
+ " print \"%4d\" %(c[row][col]),\n",
+ " print\n",
+ "\n",
+ " return\n",
+ "\n",
+ "\n",
+ "\n",
+ "print \"\\n FIRST TABLE : \\n\"\n",
+ "a=readinput(5,5,1)\n",
+ "writeoutput(a,5,5)\n",
+ "\n",
+ "print \"\\n SECOND TABLE : \\n\"\n",
+ "b=readinput(5,5,50)\n",
+ "writeoutput(b,5,5)\n",
+ "\n",
+ "c=computesum(a,b,5,5)\n",
+ "print \"Sums of the elements : \\n\"\n",
+ "writeoutput(c,5,5)\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "\n FIRST TABLE : \n\n 1 3 5 7 9\n 11 13 15 17 19\n 21 23 25 27 29\n 31 33 35 37 39\n 41 43 45 47 49\n\n SECOND TABLE : \n\n 50 52 54 56 58\n 60 62 64 66 68\n 70 72 74 76 78\n 80 82 84 86 88\n 90 92 94 96 98\nSums of the elements : \n\n 51 55 59 63 67\n 71 75 79 83 87\n 91 95 99 103 107\n 111 115 119 123 127\n 131 135 139 143 147\n"
+ "text": [
+ "\n",
+ " FIRST TABLE : \n",
+ "\n",
+ " 1 3 5 7 9\n",
+ " 11 13 15 17 19\n",
+ " 21 23 25 27 29\n",
+ " 31 33 35 37 39\n",
+ " 41 43 45 47 49\n",
+ "\n",
+ " SECOND TABLE : \n",
+ "\n",
+ " 50 52 54 56 58\n",
+ " 60 62 64 66 68\n",
+ " 70 72 74 76 78\n",
+ " 80 82 84 86 88\n",
+ " 90 92 94 96 98\n",
+ "Sums of the elements : \n",
+ "\n",
+ " 51 55 59 63 67\n",
+ " 71 75 79 83 87\n",
+ " 91 95 99 103 107\n",
+ " 111 115 119 123 127\n",
+ " 131 135 139 143 147\n"
+ ]
}
],
"prompt_number": 21
@@ -235,19 +569,96 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.24, Page number: 11.31<h3>"
+ "source": [
+ "<h3>Example 11.24, Page number: 11.31<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# adding two tables of numbers\n\ndef readinput(m,n,i=0):\n\n at=[]\n for row in range(0,m):\n temp=[]\n for col in range(0,n):\n t=i\n i+=2\n temp.append(t)\n at.append(temp)\n\n\n return at\n \ndef computesum(a,b,m,n):\n\n c=[]\n\n for row in range(0,m):\n temp=[]\n for col in range(0,n):\n t=a[row][col]+b[row][col]\n temp.append(t)\n c.append(temp)\n\n return c\n\ndef writeoutput(c,m,n):\n\n for row in range(0,m):\n for col in range(0,n):\n print \"%4d\" %(c[row][col]),\n print\n\n return\n\n\n\nprint \"\\n FIRST TABLE : \\n\"\na=readinput(5,5,1)\nwriteoutput(a,5,5)\n\nprint \"\\n SECOND TABLE : \\n\"\nb=readinput(5,5,50)\nwriteoutput(b,5,5)\n\nc=computesum(a,b,5,5)\nprint \"Sums of the elements : \\n\"\nwriteoutput(c,5,5)\n",
+ "input": [
+ "\n",
+ "def readinput(m,n,i=0):\n",
+ "\n",
+ " at=[]\n",
+ " for row in range(0,m):\n",
+ " temp=[]\n",
+ " for col in range(0,n):\n",
+ " t=i\n",
+ " i+=2\n",
+ " temp.append(t)\n",
+ " at.append(temp)\n",
+ "\n",
+ "\n",
+ " return at\n",
+ " \n",
+ "def computesum(a,b,m,n):\n",
+ "\n",
+ " c=[]\n",
+ "\n",
+ " for row in range(0,m):\n",
+ " temp=[]\n",
+ " for col in range(0,n):\n",
+ " t=a[row][col]+b[row][col]\n",
+ " temp.append(t)\n",
+ " c.append(temp)\n",
+ "\n",
+ " return c\n",
+ "\n",
+ "def writeoutput(c,m,n):\n",
+ "\n",
+ " for row in range(0,m):\n",
+ " for col in range(0,n):\n",
+ " print \"%4d\" %(c[row][col]),\n",
+ " print\n",
+ "\n",
+ " return\n",
+ "\n",
+ "\n",
+ "\n",
+ "print \"\\n FIRST TABLE : \\n\"\n",
+ "a=readinput(5,5,1)\n",
+ "writeoutput(a,5,5)\n",
+ "\n",
+ "print \"\\n SECOND TABLE : \\n\"\n",
+ "b=readinput(5,5,50)\n",
+ "writeoutput(b,5,5)\n",
+ "\n",
+ "c=computesum(a,b,5,5)\n",
+ "print \"Sums of the elements : \\n\"\n",
+ "writeoutput(c,5,5)\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "\n FIRST TABLE : \n\n 1 3 5 7 9\n 11 13 15 17 19\n 21 23 25 27 29\n 31 33 35 37 39\n 41 43 45 47 49\n\n SECOND TABLE : \n\n 50 52 54 56 58\n 60 62 64 66 68\n 70 72 74 76 78\n 80 82 84 86 88\n 90 92 94 96 98\nSums of the elements : \n\n 51 55 59 63 67\n 71 75 79 83 87\n 91 95 99 103 107\n 111 115 119 123 127\n 131 135 139 143 147\n"
+ "text": [
+ "\n",
+ " FIRST TABLE : \n",
+ "\n",
+ " 1 3 5 7 9\n",
+ " 11 13 15 17 19\n",
+ " 21 23 25 27 29\n",
+ " 31 33 35 37 39\n",
+ " 41 43 45 47 49\n",
+ "\n",
+ " SECOND TABLE : \n",
+ "\n",
+ " 50 52 54 56 58\n",
+ " 60 62 64 66 68\n",
+ " 70 72 74 76 78\n",
+ " 80 82 84 86 88\n",
+ " 90 92 94 96 98\n",
+ "Sums of the elements : \n",
+ "\n",
+ " 51 55 59 63 67\n",
+ " 71 75 79 83 87\n",
+ " 91 95 99 103 107\n",
+ " 111 115 119 123 127\n",
+ " 131 135 139 143 147\n"
+ ]
}
],
"prompt_number": 22
@@ -255,19 +666,77 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.26, Page number: 11.34<h3>"
+ "source": [
+ "<h3>Example 11.26, Page number: 11.34<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# Reordering a list of strings\n\n\ndef reorder(x):\n\n n=len(x)\n for item in range(0,n-1):\n for i in range(item+1,n):\n if x[item]>x[i]:\n temp=x[item]\n x[item]=x[i]\n x[i]=temp\n\n\n return\n\nx=['PACIFIC','ATLANTIC','INDIAN','CARIBBEAN','BERING','BLACK','RED','NORTH','BALTIC','CASPIAN']\nprint 'Original list of strings :\\n\\n'\n\nfor i in x:\n print \"String : \",i\n\nreorder(x)\n\nprint \"\\nReodered list of strings : \\n\\n\"\n\nfor i in x:\n print \"String : \",i",
+ "input": [
+ "\n",
+ "\n",
+ "def reorder(x):\n",
+ "\n",
+ " n=len(x)\n",
+ " for item in range(0,n-1):\n",
+ " for i in range(item+1,n):\n",
+ " if x[item]>x[i]:\n",
+ " temp=x[item]\n",
+ " x[item]=x[i]\n",
+ " x[i]=temp\n",
+ "\n",
+ "\n",
+ " return\n",
+ "\n",
+ "x=['PACIFIC','ATLANTIC','INDIAN','CARIBBEAN','BERING','BLACK','RED','NORTH','BALTIC','CASPIAN']\n",
+ "print 'Original list of strings :\\n\\n'\n",
+ "\n",
+ "for i in x:\n",
+ " print \"String : \",i\n",
+ "\n",
+ "reorder(x)\n",
+ "\n",
+ "print \"\\nReodered list of strings : \\n\\n\"\n",
+ "\n",
+ "for i in x:\n",
+ " print \"String : \",i"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "Original list of strings :\n\n\nString : PACIFIC\nString : ATLANTIC\nString : INDIAN\nString : CARIBBEAN\nString : BERING\nString : BLACK\nString : RED\nString : NORTH\nString : BALTIC\nString : CASPIAN\n\nReodered list of strings : \n\n\nString : ATLANTIC\nString : BALTIC\nString : BERING\nString : BLACK\nString : CARIBBEAN\nString : CASPIAN\nString : INDIAN\nString : NORTH\nString : PACIFIC\nString : RED\n"
+ "text": [
+ "Original list of strings :\n",
+ "\n",
+ "\n",
+ "String : PACIFIC\n",
+ "String : ATLANTIC\n",
+ "String : INDIAN\n",
+ "String : CARIBBEAN\n",
+ "String : BERING\n",
+ "String : BLACK\n",
+ "String : RED\n",
+ "String : NORTH\n",
+ "String : BALTIC\n",
+ "String : CASPIAN\n",
+ "\n",
+ "Reodered list of strings : \n",
+ "\n",
+ "\n",
+ "String : ATLANTIC\n",
+ "String : BALTIC\n",
+ "String : BERING\n",
+ "String : BLACK\n",
+ "String : CARIBBEAN\n",
+ "String : CASPIAN\n",
+ "String : INDIAN\n",
+ "String : NORTH\n",
+ "String : PACIFIC\n",
+ "String : RED\n"
+ ]
}
],
"prompt_number": 23
@@ -275,19 +744,79 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.28, Page number: 11.37<h3>"
+ "source": [
+ "<h3>Example 11.28, Page number: 11.37<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# Display the day of the year\n\n\ndef convert(mm,dd,yy):\n yy-=1900\n ndays=long(30.42*(mm-1)+dd)\n if mm==2:\n ndays+=1\n if mm>2 and mm<8:\n ndays-=1\n if yy%4==0 and mm<2:\n ndays+=1\n\n ncycles=yy/4\n ndays+=ncycles*1461\n\n nyears=yy%4\n if nyears>0:\n ndays+=365*nyears+1\n if ndays>59:\n ndays-=1\n\n day=ndays%7\n\n return day\n\ndef main(mm,dd,yy):\n day_of_week=convert(mm,dd,yy)\n print \"%s, %s %d %d\" %(weekday[day_of_week],month[mm-1],dd,yy)\n return\n \nweekday=['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday']\nmonth=['January','February','March','April','May','June','July','August',\\\n 'September','October','November','December']\n\nmain(10,29,1929)\nprint\nmain(8,15,1945)\nprint\nmain(7,20,1969)\nprint\nmain(5,24,1997)\nprint\nmain(8,30,2010)\nprint\nmain(4,12,2069)\n",
+ "input": [
+ "\n",
+ "\n",
+ "def convert(mm,dd,yy):\n",
+ " yy-=1900\n",
+ " ndays=long(30.42*(mm-1)+dd)\n",
+ " if mm==2:\n",
+ " ndays+=1\n",
+ " if mm>2 and mm<8:\n",
+ " ndays-=1\n",
+ " if yy%4==0 and mm<2:\n",
+ " ndays+=1\n",
+ "\n",
+ " ncycles=yy/4\n",
+ " ndays+=ncycles*1461\n",
+ "\n",
+ " nyears=yy%4\n",
+ " if nyears>0:\n",
+ " ndays+=365*nyears+1\n",
+ " if ndays>59:\n",
+ " ndays-=1\n",
+ "\n",
+ " day=ndays%7\n",
+ "\n",
+ " return day\n",
+ "\n",
+ "def main(mm,dd,yy):\n",
+ " day_of_week=convert(mm,dd,yy)\n",
+ " print \"%s, %s %d %d\" %(weekday[day_of_week],month[mm-1],dd,yy)\n",
+ " return\n",
+ " \n",
+ "weekday=['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday']\n",
+ "month=['January','February','March','April','May','June','July','August',\\\n",
+ " 'September','October','November','December']\n",
+ "\n",
+ "main(10,29,1929)\n",
+ "print\n",
+ "main(8,15,1945)\n",
+ "print\n",
+ "main(7,20,1969)\n",
+ "print\n",
+ "main(5,24,1997)\n",
+ "print\n",
+ "main(8,30,2010)\n",
+ "print\n",
+ "main(4,12,2069)\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "Tuesday, October 29 1929\n\nWednesday, August 15 1945\n\nSunday, July 20 1969\n\nSaturday, May 24 1997\n\nMonday, August 30 2010\n\nFriday, April 12 2069\n"
+ "text": [
+ "Tuesday, October 29 1929\n",
+ "\n",
+ "Wednesday, August 15 1945\n",
+ "\n",
+ "Sunday, July 20 1969\n",
+ "\n",
+ "Saturday, May 24 1997\n",
+ "\n",
+ "Monday, August 30 2010\n",
+ "\n",
+ "Friday, April 12 2069\n"
+ ]
}
],
"prompt_number": 24
@@ -295,19 +824,139 @@
{
"cell_type": "markdown",
"metadata": {},
- "source": "<h3>Example 11.30, Page number: 11.44<h3>"
+ "source": [
+ "<h3>Example 11.30, Page number: 11.44<h3>"
+ ]
},
{
"cell_type": "code",
"collapsed": false,
- "input": "# Future value of monthly deposits (compound interest calculations)\n\n\ndef ratio_choose(freq,a,m,n):\n\n if freq=='C':\n ratio=md3(a,m,n)\n elif freq=='D':\n ratio=md2(a,m,n)\n else:\n ratio=md1(a,m,n)\n\n return ratio\n\n\ndef table(freq,a,m,n):\n\n\n print \"Interest Rate Future Amount\\n\\n\"\n for count in range(1,21):\n i=0.01*count\n f=a*ratio_choose(freq,i,m,n)\n print \" %2d %.2f\" %(count,f)\n\n return\n\ndef md1(i,m,n):\n \n factor=1+i/m\n ratio=12*(factor**(m*n)-1)/i\n return ratio\n\ndef md2(i,m,n):\n\n factor=1+i/m\n ratio=(factor**(m*n)-1)/(factor**(m/12)-1)\n return ratio\n\ndef md3(i,dummy,n):\n ratio=(10**(i*n)-1)/(10**(i/12)-1)\n return ratio\n\ndef main(freq):\n m=0\n freq=freq.upper()\n if freq=='A':\n m=1\n print \"\\nAnual Compounding\\n\"\n \n elif freq=='S':\n m=2\n print \"\\nSemiannual Compounding\\n\"\n \n elif freq=='Q':\n print \"\\nQuaterly Compounding\\n\"\n m=4\n \n elif freq=='M':\n m=12\n print \"\\nMonthly Compounding\\n\"\n \n elif freq=='D':\n m=360\n print \"\\nDaily Compounding\\n\"\n\n elif freq=='C':\n m=0\n print \"\\nContinuous Compounding\\n\"\n \n else:\n print \"\\nERROR!!! Please Repeat\\n\\n\"\n return\n \n return m\n\n\na,n,freq=100,3,'m'\nprint \"FUTURE VALUE OF A SERIES OF MONTHLY DEPOSITS\\n\\n\"\nprint \"Frequency of Compunding (A,S,Q,M,D,C): \",freq\nprint \"Amount of Each Monthly Payement : \",a\nprint \"Number of years: \",n\nm=main(freq)\n\ntable(freq,a,m,n)\n\n",
+ "input": [
+ "\n",
+ "\n",
+ "def ratio_choose(freq,a,m,n):\n",
+ "\n",
+ " if freq=='C':\n",
+ " ratio=md3(a,m,n)\n",
+ " elif freq=='D':\n",
+ " ratio=md2(a,m,n)\n",
+ " else:\n",
+ " ratio=md1(a,m,n)\n",
+ "\n",
+ " return ratio\n",
+ "\n",
+ "\n",
+ "def table(freq,a,m,n):\n",
+ "\n",
+ "\n",
+ " print \"Interest Rate Future Amount\\n\\n\"\n",
+ " for count in range(1,21):\n",
+ " i=0.01*count\n",
+ " f=a*ratio_choose(freq,i,m,n)\n",
+ " print \" %2d %.2f\" %(count,f)\n",
+ "\n",
+ " return\n",
+ "\n",
+ "def md1(i,m,n):\n",
+ " \n",
+ " factor=1+i/m\n",
+ " ratio=12*(factor**(m*n)-1)/i\n",
+ " return ratio\n",
+ "\n",
+ "def md2(i,m,n):\n",
+ "\n",
+ " factor=1+i/m\n",
+ " ratio=(factor**(m*n)-1)/(factor**(m/12)-1)\n",
+ " return ratio\n",
+ "\n",
+ "def md3(i,dummy,n):\n",
+ " ratio=(10**(i*n)-1)/(10**(i/12)-1)\n",
+ " return ratio\n",
+ "\n",
+ "def main(freq):\n",
+ " m=0\n",
+ " freq=freq.upper()\n",
+ " if freq=='A':\n",
+ " m=1\n",
+ " print \"\\nAnual Compounding\\n\"\n",
+ " \n",
+ " elif freq=='S':\n",
+ " m=2\n",
+ " print \"\\nSemiannual Compounding\\n\"\n",
+ " \n",
+ " elif freq=='Q':\n",
+ " print \"\\nQuaterly Compounding\\n\"\n",
+ " m=4\n",
+ " \n",
+ " elif freq=='M':\n",
+ " m=12\n",
+ " print \"\\nMonthly Compounding\\n\"\n",
+ " \n",
+ " elif freq=='D':\n",
+ " m=360\n",
+ " print \"\\nDaily Compounding\\n\"\n",
+ "\n",
+ " elif freq=='C':\n",
+ " m=0\n",
+ " print \"\\nContinuous Compounding\\n\"\n",
+ " \n",
+ " else:\n",
+ " print \"\\nERROR!!! Please Repeat\\n\\n\"\n",
+ " return\n",
+ " \n",
+ " return m\n",
+ "\n",
+ "\n",
+ "a,n,freq=100,3,'m'\n",
+ "print \"FUTURE VALUE OF A SERIES OF MONTHLY DEPOSITS\\n\\n\"\n",
+ "print \"Frequency of Compunding (A,S,Q,M,D,C): \",freq\n",
+ "print \"Amount of Each Monthly Payement : \",a\n",
+ "print \"Number of years: \",n\n",
+ "m=main(freq)\n",
+ "\n",
+ "table(freq,a,m,n)\n",
+ "\n"
+ ],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
- "text": "FUTURE VALUE OF A SERIES OF MONTHLY DEPOSITS\n\n\nFrequency of Compunding (A,S,Q,M,D,C): m\nAmount of Each Monthly Payement : 100\nNumber of years: 3\n\nMonthly Compounding\n\nInterest Rate Future Amount\n\n\n 1 3653.00\n 2 3707.01\n 3 3762.06\n 4 3818.16\n 5 3875.33\n 6 3933.61\n 7 3993.01\n 8 4053.56\n 9 4115.27\n 10 4178.18\n 11 4242.31\n 12 4307.69\n 13 4374.33\n 14 4442.28\n 15 4511.55\n 16 4582.17\n 17 4654.18\n 18 4727.60\n 19 4802.45\n 20 4878.78\n"
+ "text": [
+ "FUTURE VALUE OF A SERIES OF MONTHLY DEPOSITS\n",
+ "\n",
+ "\n",
+ "Frequency of Compunding (A,S,Q,M,D,C): m\n",
+ "Amount of Each Monthly Payement : 100\n",
+ "Number of years: 3\n",
+ "\n",
+ "Monthly Compounding\n",
+ "\n",
+ "Interest Rate Future Amount\n",
+ "\n",
+ "\n",
+ " 1 3653.00\n",
+ " 2 3707.01\n",
+ " 3 3762.06\n",
+ " 4 3818.16\n",
+ " 5 3875.33\n",
+ " 6 3933.61\n",
+ " 7 3993.01\n",
+ " 8 4053.56\n",
+ " 9 4115.27\n",
+ " 10 4178.18\n",
+ " 11 4242.31\n",
+ " 12 4307.69\n",
+ " 13 4374.33\n",
+ " 14 4442.28\n",
+ " 15 4511.55\n",
+ " 16 4582.17\n",
+ " 17 4654.18\n",
+ " 18 4727.60\n",
+ " 19 4802.45\n",
+ " 20 4878.78\n"
+ ]
}
],
"prompt_number": 25
@@ -315,7 +964,7 @@
{
"cell_type": "code",
"collapsed": false,
- "input": "",
+ "input": [],
"language": "python",
"metadata": {},
"outputs": [],
generated by cgit (git 2.34.1) at 2025-01-24 00:37:48 +0000