How to create a piecewise sine function?

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Wes 2011-9-23

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Hey all,

I am a trying to create an alternating sine wave of two seperate frequencies over a specified length of time. I have specified my 1 column of points in time and want to calculate the y(x) function/position.

I have my y(x)=sin(w*t)and y2(x)=sin(w2*t)functions, but am not sure how to create this piecewise wave? I am trying to use a for loop with if statements to do this , but I am finding this diffcult. How would you try to accomplish this?

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Answer 1

Walter Roberson 2011-9-23

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https://ww2.mathworks.cn/matlabcentral/answers/16605-how-to-create-a-piecewise-sine-function#answer_22433

Are the sine wave segments to be pieced together only on full-cycle boundaries, or is it necessary to match phase because one just leaves off and the other begins at the same point? Or if the boundary is not a full cycle, is it allowed for there to be a "glitch" in switching from the one to the other?