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For example:

model = svmTrain(X, y, C, @(x1, x2) gaussianKernel(x1, x2, sigma));

Disclaimer: This is from the Coursera ML class, but it's nearly impossible to search for the @ symbol conventionally.

user7610
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aman
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2 Answers2

5

@ prefixes the definition of an anonymous function.

David Foerster
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1

Also, @ is used to demark a function handle.

user7610
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    Not in this context. -1 – David Foerster May 16 '17 at 14:09
  • There is a mismatch between the question title and the contextual example given, being the lack of parentheses in the title. This answer does, in fact, address a possible answer for the title as written. Perhaps an update to reflect this by someone would help solve the ambiguity. – Mr Purple Sep 02 '19 at 01:14