optimization/test_functions/powell_hessian1.m

   1 function H = powell_hessian1(x)
   2   ##
   3   ## A version of the powell_hessian() function which takes a column
   4   ## 4-vector instead of four distinct arguments. See powell_hessian.m
   5   ## for more information.
   6   ##
   7   if (length(x) == 4)
   8     H = powell_hessian(x(1), x(2), x(3), x(4));
   9   else
  10     H = NA;
  11   end
  12 end