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from Time scaing for continuous signals by Nikhil Prathapani
To perform Time scaing on continuous time signals

timescalc.m
clear all;
close all;
clc;
t=0:0.01:10;
a=2;
x1=sin(t);
subplot(3,1,1);
plot(x1);
xlabel('time');
ylabel('amplitude');
title('input signal');
x2=sin(a*t);
subplot(3,1,2);
plot(x2);
xlabel('time');
ylabel('amplitude');
title('compressed signal');
x3=sin(t/a);
subplot(3,1,3);
plot(x3);
xlabel('time');
ylabel('amplitude');
title('expanded signal');
display(x1);
display(x2);
display(x3);

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