Asked by John
on 22 Mar 2012

Hello

What does the '@' symbol do in this equation?

Is the first (z) multiplied the e^(...)?

thank you

% Gaussian kernel function kerf=@(z)exp(-z.*z/2)/sqrt(2*pi);

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Answer by Matt Kindig
on 22 Mar 2012

Accepted answer

It is a function handle. It means that you are defining an anonymous function 'kerf' that takes z as an input. The actual equation is just

exp(-z.*z/2)/sqrt(2*pi)

The User Guide has a pretty good write-up about these. Search "anonymous function" in the Help.

Answer by Wayne King
on 22 Mar 2012

That is a function handle.

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