MATLAB: Fminsearch returns Not enough input arguments.

fminsearch

Hi I have defined a function objfun as follows.
    % function z = objfun(x)
      z=x(1)^2+x(2)^2;
    end
  Then I tried to find its minimum (I know it is (0,0) ... I just want to do some tricks on top of this function) by using the following 
   % x = fminsearch(objfun,[2,2])
and got the following error
   Not enough input arguments.
    Error in objfun (line 3)
      z=x(1)^2+x(2)^2;
   Error in try1 (line 3)
    x = fminsearch(objfun,[2,2])
Could anyone help me with this please? Thank you!

Best Answer

    x = fminsearch(@objfun,[2,2])
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