How to change this function fun = @(x)x(1)*exp(-norm(x)^2) to x^2+y^2?

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Jakub Reczek
Jakub Reczek 2019-5-28
回答： Alex Mcaulley 2019-5-28
Hi
I dont know how to change fun = @(x)x(1)*exp(-norm(x)^2) to function x^2+y^2??
Thanks for answers

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回答（1 个）

Alex Mcaulley
Alex Mcaulley 2019-5-28
fun = @(x) (x(1)^2 + x(2)^2) %x(1) is x and x(2) is y
%or
fun = @(x,y) (x^2 + y^2)

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