How do I create a 2d surface plot for a function of x and y?

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Danny La
Danny La 2020-3-3
编辑： Kelly Kearney 2020-3-3
This is what I tried
x=linspace(0,10)
y=linspace(0,10)
[xm,ym]=meshgrid(x,y)
fxy=sin(x).*cos(y)
surf(fxy)
but it gives me
Error using surf (line 71)
Z must be a matrix, not a scalar or vector.
Error in problem3 (line 5)
surf(fxy)

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回答（1 个）

Kelly Kearney
Kelly Kearney 2020-3-3
编辑：Kelly Kearney 2020-3-3
Change
fxy = sin(x).*cos(y)
to
fxy = sin(xm).*cos(ym)

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