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+//clear//
+//Example 1.16:Classification of system:Time Invariance Property
+//Page 52
+//To check whether the given system is a Time variant (or) Time In-variant
+// The given discrete signal is y(t) = x(2t)
+clear;
+clc;
+to = 2; //Assume the amount of time shift  =2
+T = 10; //Length of given  signal
+x = [1,2,3,4,5,6,7,8,9,10];
+y = zeros(1,length(x));
+for t = 1:length(x)/2
+    y(t) = x(2*t);
+end
+//First shift the input signal only
+Input_shift = x(T-to);
+Output_shift = y(T-to);
+if(Input_shift == Output_shift)
+  disp('The given discrete system is a Time In-variant system');
+else
+  disp('The given discrete system is a Time Variant system');
+end