Multiplication of two different continuous signal in Matlab

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

Answer 1

[Stephan]

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])

[Aishwarya Bannai]

Thanks a lot Stephan,

Answer 2

[ghomer]

Comment additionner deux signaux sinusoïdaux en MATLAB