Getting index exceeds matrix dimensions error in matlab

Question

I have this script:

function [ G ] = evalF( F,x,n )

    G=zeros(n,1);
    xcell = num2cell(x);

    for i=1:n
        f = F(i)
        a = f(xcell{:})
    end

end

and these two variables defined:

F = 

    @(x1,x2)6+2*x1^1+3*x2^2    @(x1,x2)3+3*x1^1+2*x2^2

x =

     1     2

and when I run it like this:

evalF(F,x,2)

but I get the error:

Index exceeds matrix dimensions.

Error in evalF (line 8)
        a = f(x{:})

I don't see what's wrong... Can anyone help?

I turn an array into arguments, more info about that is here How to split an array as argument values in matlab?

chappjc · Accepted Answer · 2014-03-06 20:18:22Z

2

This is because it is trying to index f instead of run the function stored in f. Why? f is a cell containing a function handle rather than a function handle.

To make f a function handle:

f = F{i};

answered Mar 6, 2014 at 20:18

chappjc

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