MATLAB stem function error

Whenever I run any program which includes stem function I got this error and it never plot the graph.

1 个评论

Like I just told someone else a minute ago:
I don't know. MATLAB cannot convert your image into code. Attach your code so we can run it. Make it easy to help you not hard.

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回答(1 个)

Either just use ‘z1’, or use a ‘shape’ argument with conv:
n = -15:15;
u = n>=0;
u1 = n>= 4;
f = u-u1;
z1 = conv(f,f,'same');
figure
stem(n, z1)
.

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