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what is the appropriate time range that should be given to a Sinusoidal loading vs time? How many cycles within a specified time range?

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juan sanchez
juan sanchez 2024-6-24
评论： Matlab Pro 2024-6-24
what is the appropriate time range that should be given to a Sinusoidal loading vs time? How do you modify number of cycles within a time range in Matlab? I want to be able to plot p(t)=2.25*sin(2*pi*fs*t) to look like this but I do not know what time range I should give so that the plot looks like the one on the image provided. I also want to know what is the adequate number of cycles and how can I modify code to have less or more cycles within a time range. I am still confused with these sine waves.

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Matlab Pro
Matlab Pro 2024-6-24
Ran in:
HI @juan sanchez
Here is a simple solution
p0 = 2.25;
fs = 10.37;
t = 0:0.01:4.5*pi;
y = p0*sind(2*pi*fs*t);
f = figure;
ax = axes('Parent',f);
plot(ax, t,y); grid(ax,'on');
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juan sanchez
juan sanchez 2024-6-24
Thank you very much for your clear, concise and simple explanation. I always had problems understanding amplitudes, cycles, and trigonometry. Very well explained.

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