why am I getting a different plot using fsurf and surf for the same function?

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my function is ( sin ( 20.66*x - 3.92 ) + 0.02 * sinh ( 20.66*x - 3.92 ) ) * ( sin ( 26.17*y - 3.92 ) + 0.02 * sinh ( 26.17*y - 3.92 ) ). Can someone help me in plotting this function?

Answers (1)

Sara Boznik
Sara Boznik on 15 Aug 2020
It is possible that you forgot .*
Good luck.

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