Plotting sine wave valley to valley

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Caitlin Bemis
Caitlin Bemis 2022-8-11
回答： Star Strider 2022-8-11
Hello,
I am looking to create a sine wave that I can change the amount of time (or frequency) that the duration is and so that it does not start at 0. That way the line goes from valley to valley instead of mid length to mid length. Hopefully that makes sense.

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Star Strider
Star Strider 2022-8-11
Ran in:
Perhaps something like this —
t = linspace(0, 1, 250);
freq = 5;
s = sin(2*pi*t*freq + 3*pi/2);
figure
plot(t,s)
grid
Make appropriate changes to get the result you want.
.

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