I want to create a sin wave pulse function y(t) that has exponential damping, but I get this error "Array indices must be positive integers"
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Roberto Santana
on 23 Mar 2022
Commented: Roberto Santana
on 23 Mar 2022
This is the code I have, Any ideas why I'm getting this error? I am a college student and just started working with matlab
A=4
a=exp(-0.5*t)
y(t)=A*a(sin(2*pi*3*t)).*(ustep(t+1)-ustep(t-1))
t=linspace(-2,2)
y(t)=linspace(-4,4)
plot(y(t))
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Accepted Answer
Image Analyst
on 23 Mar 2022
I don't have the ustep() function, but I think this is closer than what you have:
A = 4
t = linspace(-2, 2, 1000);
a = exp(-0.5*t)
y = A * a * (sin(2*pi*3*t)) .* (ustep(t+1)-ustep(t-1))
plot(t, y, 'LineWidth', 2)
xlabel('t');
ylabel('y');
grid on;
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