From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 125/CH3/EX3.1/Example3_1.sce   | 17 +++++++++++++++++
 125/CH3/EX3.11/Example3_11.sce | 15 +++++++++++++++
 125/CH3/EX3.12/Example3_12.sce | 16 ++++++++++++++++
 125/CH3/EX3.13/Example3_13.sce | 23 +++++++++++++++++++++++
 125/CH3/EX3.14/Example3_14.sce | 16 ++++++++++++++++
 125/CH3/EX3.15/Example3_15.sce | 18 ++++++++++++++++++
 125/CH3/EX3.16/Example3_16.sce | 18 ++++++++++++++++++
 125/CH3/EX3.17/Example3_17.sce | 15 +++++++++++++++
 125/CH3/EX3.18/Example3_18.sce | 16 ++++++++++++++++
 125/CH3/EX3.2/Example3_2.sce   | 17 +++++++++++++++++
 125/CH3/EX3.3/Example3_3.sce   | 14 ++++++++++++++
 125/CH3/EX3.7/Example3_7.sce   | 15 +++++++++++++++
 125/CH3/EX3.8/Example3_8.sce   | 15 +++++++++++++++
 13 files changed, 215 insertions(+)
 create mode 100755 125/CH3/EX3.1/Example3_1.sce
 create mode 100755 125/CH3/EX3.11/Example3_11.sce
 create mode 100755 125/CH3/EX3.12/Example3_12.sce
 create mode 100755 125/CH3/EX3.13/Example3_13.sce
 create mode 100755 125/CH3/EX3.14/Example3_14.sce
 create mode 100755 125/CH3/EX3.15/Example3_15.sce
 create mode 100755 125/CH3/EX3.16/Example3_16.sce
 create mode 100755 125/CH3/EX3.17/Example3_17.sce
 create mode 100755 125/CH3/EX3.18/Example3_18.sce
 create mode 100755 125/CH3/EX3.2/Example3_2.sce
 create mode 100755 125/CH3/EX3.3/Example3_3.sce
 create mode 100755 125/CH3/EX3.7/Example3_7.sce
 create mode 100755 125/CH3/EX3.8/Example3_8.sce

(limited to '125/CH3')

diff --git a/125/CH3/EX3.1/Example3_1.sce b/125/CH3/EX3.1/Example3_1.sce
new file mode 100755
index 000000000..aab5c7ac9
--- /dev/null
+++ b/125/CH3/EX3.1/Example3_1.sce
@@ -0,0 +1,17 @@
+//Caption: 2-D Linear Convolution
+//Example3.1 & Example3.4
+//page 85 & page 107
+clc;
+x =[4,5,6;7,8,9];
+h = [1;1;1];
+disp(x,'x=')
+disp(h,'h=')
+[y,X,H] = conv2d2(x,h);
+disp(y,'Linear 2D convolution result y =')
+//Result
+//Linear 2D convolution result y =   
+// 
+//    4.     5.     6.   
+//    11.    13.    15.  
+//    11.    13.    15.  
+//    7.     8.     9. 
\ No newline at end of file
diff --git a/125/CH3/EX3.11/Example3_11.sce b/125/CH3/EX3.11/Example3_11.sce
new file mode 100755
index 000000000..da378fd02
--- /dev/null
+++ b/125/CH3/EX3.11/Example3_11.sce
@@ -0,0 +1,15 @@
+//Caption: Linear COnvolution of any signal with an impulse signal gives
+//rise to the same signal
+//Example3.11
+//page 121
+clc; 
+x =[1,2;3,4];
+h = 1;
+y = conv2d2(x,h);
+disp(y,'Linear 2D convolution result y =')
+//Result
+//Linear 2D convolution result y =   
+//// Linear 2D convolution result y =   
+// 
+//    1.    2.  
+//    3.    4. 
diff --git a/125/CH3/EX3.12/Example3_12.sce b/125/CH3/EX3.12/Example3_12.sce
new file mode 100755
index 000000000..ce7187465
--- /dev/null
+++ b/125/CH3/EX3.12/Example3_12.sce
@@ -0,0 +1,16 @@
+//Caption: Circular Convolution between two 2D matrices
+//Example3.12
+//page 122
+clc;
+x = [1,2;3,4];
+h = [5,6;7,8];
+X = fft2d(x); //2D FFT of x matrix
+H = fft2d(h); //2D FFT of h matrix
+Y = X.*H;  //Element by Element multiplication
+y = ifft2d(Y); 
+disp(y,'Circular Convolution Result y =')
+//Result
+//Circular Convolution Result y =   
+// 
+//    70.    68.  
+//    62.    60.
\ No newline at end of file
diff --git a/125/CH3/EX3.13/Example3_13.sce b/125/CH3/EX3.13/Example3_13.sce
new file mode 100755
index 000000000..ca2adb2e5
--- /dev/null
+++ b/125/CH3/EX3.13/Example3_13.sce
@@ -0,0 +1,23 @@
+//Caption: Circular Convolution expressed as linear convolution plus alias
+//Example3.13
+//page 123
+clc;
+x = [1,2;3,4];
+h = [5,6;7,8];
+y = conv2d(x,h);
+y1 = [y(:,1)+y(:,$),y(:,2)];
+y2 = [y1(1,:)+y1($,:);y1(2,:)]
+disp(y,'Linear Convolution result y=')
+disp(y2,'circular convolution expessed as linear convolution plus alias =')
+//Result
+// Linear Convolution result y=   
+// 
+//    5.     16.    12.  
+//    22.    60.    40.  
+//    21.    52.    32.  
+// 
+// circular convolution expessed as linear convolution plus alias =   
+// 
+//    70.    68.  
+//    62.    60.  
+// 
\ No newline at end of file
diff --git a/125/CH3/EX3.14/Example3_14.sce b/125/CH3/EX3.14/Example3_14.sce
new file mode 100755
index 000000000..40b848a71
--- /dev/null
+++ b/125/CH3/EX3.14/Example3_14.sce
@@ -0,0 +1,16 @@
+//Caption: linear cross correlation of a 2D matrix
+//Example3.14
+//page 129
+clc;
+x = [3,1;2,4];
+h1 = [1,5;2,3];
+h2 = h1(:,$:-1:1);
+h = h2($:-1:1,:);
+y = conv2d(x,h)
+disp(y,'Linear cross Correlation result y=')
+//Result
+//Linear cross Correlation result y=   
+// 
+//    9.     9.     2.  
+//    21.    24.    9.  
+//    10.    22.    4. 
\ No newline at end of file
diff --git a/125/CH3/EX3.15/Example3_15.sce b/125/CH3/EX3.15/Example3_15.sce
new file mode 100755
index 000000000..08afb469f
--- /dev/null
+++ b/125/CH3/EX3.15/Example3_15.sce
@@ -0,0 +1,18 @@
+//Caption: Circular correlation between two signals
+//Example3.15
+//page 131
+clc;
+x = [1,5;2,4];
+h = [3,2;4,1];
+h = h(:,$:-1:1);
+h = h($:-1:1,:);
+X = fft2d(x);
+H = fft2d(h);
+Y = X.*H;
+y = ifft2d(Y);
+disp(y,'Circular Correlation result y=')
+//Result
+//Circular Correlation result y=   
+// 
+//    37.    23.  
+//    35.    25.
\ No newline at end of file
diff --git a/125/CH3/EX3.16/Example3_16.sce b/125/CH3/EX3.16/Example3_16.sce
new file mode 100755
index 000000000..f4808115b
--- /dev/null
+++ b/125/CH3/EX3.16/Example3_16.sce
@@ -0,0 +1,18 @@
+//Caption: Circular correlation between two signals
+//Example3.16
+//page 134
+clc;
+x = [5,10;15,20];
+h = [3,6;9,12];
+h = h(:,$:-1:1);
+h = h($:-1:1,:);
+X = fft2d(x);
+H = fft2d(h);
+Y = X.*H;
+y = ifft2d(Y);
+disp(y,'Circular Correlation result y=')
+//Result
+// Circular Correlation result y=   
+// 
+//    300.    330.  
+//    420.    450.
diff --git a/125/CH3/EX3.17/Example3_17.sce b/125/CH3/EX3.17/Example3_17.sce
new file mode 100755
index 000000000..9fb14bbc6
--- /dev/null
+++ b/125/CH3/EX3.17/Example3_17.sce
@@ -0,0 +1,15 @@
+//Caption: linear auto correlation of a 2D matrix
+//Example3.17
+//page 136
+clc;
+x1 = [1,1;1,1];
+x2 = x1(:,$:-1:1);
+x2 = x2($:-1:1,:);
+x = conv2d(x1,x2)
+disp(x,'Linear auto Correlation result x=')
+//Result
+//Linear auto Correlation result x=   
+// 
+//    1.    2.    1.  
+//    2.    4.    2.  
+//    1.    2.    1. 
\ No newline at end of file
diff --git a/125/CH3/EX3.18/Example3_18.sce b/125/CH3/EX3.18/Example3_18.sce
new file mode 100755
index 000000000..cf32ef020
--- /dev/null
+++ b/125/CH3/EX3.18/Example3_18.sce
@@ -0,0 +1,16 @@
+//Caption: linear cross correlation of a 2D matrix
+//Example3.18
+//page 141
+clc;
+x = [1,1;1,1];
+h1 = [1,2;3,4];
+h2 = h1(:,$:-1:1);
+h = h2($:-1:1,:);
+y = conv2d(x,h)
+disp(y,'Linear cross Correlation result y=')
+//Result
+//Linear cross Correlation result y=   
+// 
+//    4.    7.    3.  
+//    6.   10.    4.  
+//    2.    3.    1.  
\ No newline at end of file
diff --git a/125/CH3/EX3.2/Example3_2.sce b/125/CH3/EX3.2/Example3_2.sce
new file mode 100755
index 000000000..3a35beae6
--- /dev/null
+++ b/125/CH3/EX3.2/Example3_2.sce
@@ -0,0 +1,17 @@
+//Caption: 2-D Linear Convolution
+//Example3.2 & Example3.5 & Example3.9
+//page 91 & page 108 & page 116
+clc;
+x =[1,2,3;4,5,6;7,8,9];
+h = [1,1;1,1;1,1];
+y = conv2d2(x,h);
+disp(y,'Linear 2D convolution result y =')
+//Result
+// Linear 2D convolution result y =   
+// 
+//    1.     3.     5.     3.   
+//    5.     12.    16.    9.   
+//    12.    27.    33.    18.  
+//    11.    24.    28.    15.  
+//    7.     15.    17.    9.   
+// 
\ No newline at end of file
diff --git a/125/CH3/EX3.3/Example3_3.sce b/125/CH3/EX3.3/Example3_3.sce
new file mode 100755
index 000000000..b7e620e54
--- /dev/null
+++ b/125/CH3/EX3.3/Example3_3.sce
@@ -0,0 +1,14 @@
+//Caption: 2-D Linear Convolution
+//Example3.3 & Example3.6 & Example3.10
+//page 100 & page 109 & page 119
+clc;
+x =[1,2,3;4,5,6;7,8,9];
+h = [3,4,5];
+y = conv2d2(x,h);
+disp(y,'Linear 2D convolution result y =')
+//Result
+//Linear 2D convolution result y =   
+// 
+//    3.     10.    22.    22.    15.  
+//    12.    31.    58.    49.    30.  
+//    21.    52.    94.    76.    45.
\ No newline at end of file
diff --git a/125/CH3/EX3.7/Example3_7.sce b/125/CH3/EX3.7/Example3_7.sce
new file mode 100755
index 000000000..a7a75891c
--- /dev/null
+++ b/125/CH3/EX3.7/Example3_7.sce
@@ -0,0 +1,15 @@
+//Caption: 2-D Linear Convolution
+//Example3.7
+//page 111
+clc;
+x =[1,2;3,4];
+h = [5,6;7,8];
+y = conv2d2(x,h);
+disp(y,'Linear 2D convolution result y =')
+//Result
+// Linear 2D convolution result y =   
+//Linear 2D convolution result y =   
+// 
+//    5.     16.    12.  
+//    22.    60.    40.  
+//    21.    52.    32
\ No newline at end of file
diff --git a/125/CH3/EX3.8/Example3_8.sce b/125/CH3/EX3.8/Example3_8.sce
new file mode 100755
index 000000000..39d74b048
--- /dev/null
+++ b/125/CH3/EX3.8/Example3_8.sce
@@ -0,0 +1,15 @@
+//Caption: 2-D Linear Convolution
+//Example3.8
+//page 113
+clc;
+x =[1,2,3;4,5,6;7,8,9];
+h = [1;1;1];
+y = conv2d2(x,h);
+disp(y,'Linear 2D convolution result y =')
+//Result
+// Linear 2D convolution result y =   
+//// 1.     2.     3.   
+//    5.     7.     9.   
+//    12.    15.    18.  
+//    11.    13.    15.  
+//    7.     8.     9. 
-- 
cgit