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-rwxr-xr-x125/CH3/EX3.1/Example3_1.sce17
-rwxr-xr-x125/CH3/EX3.11/Example3_11.sce15
-rwxr-xr-x125/CH3/EX3.12/Example3_12.sce16
-rwxr-xr-x125/CH3/EX3.13/Example3_13.sce23
-rwxr-xr-x125/CH3/EX3.14/Example3_14.sce16
-rwxr-xr-x125/CH3/EX3.15/Example3_15.sce18
-rwxr-xr-x125/CH3/EX3.16/Example3_16.sce18
-rwxr-xr-x125/CH3/EX3.17/Example3_17.sce15
-rwxr-xr-x125/CH3/EX3.18/Example3_18.sce16
-rwxr-xr-x125/CH3/EX3.2/Example3_2.sce17
-rwxr-xr-x125/CH3/EX3.3/Example3_3.sce14
-rwxr-xr-x125/CH3/EX3.7/Example3_7.sce15
-rwxr-xr-x125/CH3/EX3.8/Example3_8.sce15
13 files changed, 215 insertions, 0 deletions
diff --git a/125/CH3/EX3.1/Example3_1.sce b/125/CH3/EX3.1/Example3_1.sce
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+//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
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+//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
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index 000000000..ce7187465
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+++ b/125/CH3/EX3.12/Example3_12.sce
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+//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
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index 000000000..ca2adb2e5
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+++ b/125/CH3/EX3.13/Example3_13.sce
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+//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
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index 000000000..40b848a71
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+++ b/125/CH3/EX3.14/Example3_14.sce
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+//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
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index 000000000..f4808115b
--- /dev/null
+++ b/125/CH3/EX3.16/Example3_16.sce
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+//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.
generated by cgit (git 2.34.1) at 2025-01-07 02:56:20 +0000