it's plotting empty figures

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Alex
Alex 2019-10-30
评论： Alex 2019-10-30
i'm trying to plot two figures but it's plotting empty figure.
  1 个评论
Bhaskar R
Bhaskar R 2019-10-30
Actually it is not a problem of empty figures, there are errors. Code is wrong.

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Daniel M
Daniel M 2019-10-30
编辑：Daniel M 2019-10-30
I made some adjustments. Let me know if this is close to what you want.
tau = [1.5, 2];
figure
for t = 1:length(tau)
% create new vector tt (don't overwrite t)
tt = -tau(t):0.01:tau(t); % index tau at t
x = @(z) heaviside(z+tau(t)/2)-heaviside(z-tau(t)/2);
% use z for clarity, since the input variable doesn't need to be named t as well
subplot(1,2,t)
grid minor
plot(tt,x(tt)) % evaluate x at tt
end

更多回答（1 个）

Walter Roberson
Walter Roberson 2019-10-30
Change the
plot(t,x(t))
to
plot(t,x(t),'*')
I admit that I am surprised that subplot() did not give you an error about illegal subplot number, as you are constructing t as a vector of numeric values that are seldom positive integers. Notice that your line assigning t= -tau:0.01:tau is overwriting the t of your for t loop...

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