Return the element-by-element operation of x raised to the y power.
This function and x .^ y are equivalent.
If several complex results are possible, returns the one with smallest
non-negative argument (angle). Use realpow, realsqrt,
cbrt, or nthroot if a real result is preferred.
See also: mpower, realpow, realsqrt, cbrt, nthroot.
Package: octave