function f = powell1(x)
- ##
- ## A version of the Powell function which takes a column 4-vector as
- ## an argument instead of four distinct arguments.
- ##
+ %
+ % A version of the Powell function which takes a column 4-vector as
+ % an argument instead of four distinct arguments.
+ %
if (length(x) == 4)
f = powell(x(1), x(2), x(3), x(4));
else