Multiplication of two different continuous signal in Matlab
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Aishwarya Bannai
am 12 Mai 2021
Beantwortet: ghomer
am 17 Jul. 2023
Hello,
I am trying to multiply a continous periodic sine wave to that of a rectangular pulse, But I see the error that the matrix dimensions must agree, Is it possible to multiply two different signals in MATLAB? can you please help me with one example code? or may be the commands that could be helpful.
x = 0:0.05:6;
y = sin(x)
subplot(3,1,1)
plot(x,y)
t1 = 0:0.05:1;
t2 = 1:0.05:2;
t3 = 2:0.05:3;
t4 = 3:0.05:4;
t5 = 4:0.05:5;
t6 = 5:0.05:6;
t=[t1 t2 t3 t4 t5 t6];
x1 = ones(size(t1));
x2 = zeros(size(t2));
x3 = ones(size(t3));
x4 = ones(size(t4));
x5 = zeros(size(t5));
x6 = ones(size(t6));
xs = [x1 x2 x3 x4 x5 x6]
subplot(3,1,2)
plot(t,xs);
ylim([-0.5 6])
%
% mul = xs.*y;
% subplot(3,1,3)
% plot(t,mul)
% ylim([-0.5 6])
The present code is this
Thank you
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Akzeptierte Antwort
Stephan
am 12 Mai 2021
Bearbeitet: Stephan
am 12 Mai 2021
You made a mistake in defining t2...t6:
x = 0:0.05:6;
y = sin(x);
subplot(3,1,1)
plot(x,y)
t1 = 0:0.05:1;
t2 = 1.05:0.05:2;
t3 = 2.05:0.05:3;
t4 = 3.05:0.05:4;
t5 = 4.05:0.05:5;
t6 = 5.05:0.05:6;
t=[t1 t2 t3 t4 t5 t6];
x1 = ones(size(t1));
x2 = zeros(size(t2));
x3 = ones(size(t3));
x4 = ones(size(t4));
x5 = zeros(size(t5));
x6 = ones(size(t6));
xs = [x1 x2 x3 x4 x5 x6];
subplot(3,1,2)
plot(t,xs);
ylim([-0.5 6])
mul = xs.*y;
subplot(3,1,3)
plot(t,mul)
ylim([-0.5 6])
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