vectorization of anonymous function?

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Jan Valdman
Jan Valdman 2016-12-18
评论： Jan 2016-12-18
I managed to vectorize the function below using inline command:
u_function=inline(vectorize('sin(x*y*z^2)'),'x','y','z') x=[1 2 3 4]; y=[3 4 3 4]; z=[1 2 4 4]; u=u_function(x,y,z)
How do I rewrite it in terms of an anonymous function?
Cheers, Jan

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回答（1 个）

Mischa Kim
Mischa Kim 2016-12-18
编辑：Mischa Kim 2016-12-18
Jan, is the resulting u(x,y,z) also a 1-by-4?
How about:
u = str2func(vectorize('@(x,y,z)sin(x*y*z^2)'));
x = [1 2 3 4]; y = [3 4 3 4]; z = [1 2 4 4];
u_eval = u(x,y,z)
  2 个评论
Jan
Jan 2016-12-18
Move from Answer section (please pst comments in the comment section - Thanks)
Hi Mischa,
thank you, all vectors should have the size, yes. However, I am going to use more difficult forms of functions instead of x*y*z^2 and would like Matlab to put dots automatically (using vectorize?) within anonymous function. Is there a way to do it?
Jan
Jan 2016-12-18
Mischa wrote: Jan, understood. Check out the updated answer above. Does this do the trick?

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