MATLAB: How to make the wave in the negative part disappear

for loopif statementwhile loop

t= linspace(0,6,100);
y=sin(pi*t);
plot(t,y)

Best Answer

More resolution for the values + logical indexing:

t= linspace(0,6,5000);
y=sin(pi*t);
plot(t(y>=0),y(y>=0))

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x = linspace(-2*pi,2*pi,1000);
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plot(x,y)

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y = 3*sin(x);

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