How to enter a function into MATLAB

조회 수: 2 (최근 30일)

Nicholas Deosaran 2020년 9월 17일

댓글: Walter Roberson 2020년 9월 17일

Hello good day,

I am having issues on how to enter this equation into MATLAB.

I have it as

H/2 * cos(k*x)*cos(sigma*t)

but getting a different answer from my calculator

Thank you

Steven Lord 2020년 9월 17일

Is your calculator computing the cosine of angles in degrees (which in MATLAB is the cosd function) or in radians (cos)?

Nicholas Deosaran 2020년 9월 17일

I did it in radians and degrees and got different answers.

Am I tryping out the code corretly in MATLAB?

I don't know if I need to put the .* in the function.

Walter Roberson 2020년 9월 17일

If your inputs are all scalars then you can use either * or .*

If your inputs are not scalars, then you need .*

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