function feval

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Krishnendu Mukherjee
??? Error using ==> feval
Attempt to execute SCRIPT untitled2 as a function.
Error in ==> C:\Documents and Settings\krishnendu\Desktop\Chared ICA Code\ImperialistCompetitveAlgorithm_GlobalOptimizationStrategy.m
On line 83 ==> InitialCost = feval(ProblemParams.CostFuncName,InitialCountries,ProblemParams.CostFuncExtraParams);
im getting this error.
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TAB
TAB 2012-1-27
>> doc feval
Walter Roberson
Walter Roberson 2012-1-27
We need the context.

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采纳的回答

Honglei Chen
Honglei Chen 2012-1-27
It looks like your untitled2 is a script, not a function, hence cannot be evaluated by feval. To define a function, you need to have, e.g.
function y = foo(x)
in your foo.m as the first line and then you can do
y = feval(@foo,x)
For details, see http://www.mathworks.com/help/techdoc/ref/function.html

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