how to create an anonymous function?

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Emil Goh
Emil Goh 2015-6-24
评论： Stephen23 2015-6-24
f(x,y)=x exp(-2y^2-x^2)
plot the surface of the function over R=[-2,2] x [-2,2]
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Stephen23
Stephen23 2015-6-24
Why do you need an anonymous function?
This is not required for plotting.

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回答（2 个）

Guillaume
Guillaume 2015-6-24
编辑：Guillaume 2015-6-24
Aren't the example in the documentation clear enough?
In this case (assuming the missing operator between x and exp is a multiplication):
f = @(x, y) x.*exp(-2*y.^2-x.^2);
Note: this is an answer to your question title: "How to create an anonymous function".
Azzi Abdelmalek
Azzi Abdelmalek 2015-6-24
x=[-2,2]
y=[-2,2]
[X,Y]=meshgrid(x,y)
Z=X.*exp(-2*Y.^2-X.^2)
surf(X,Y,Z)

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