uminus.m

computation of conformal maps to polygonally bounded regions

function q = uminus(p)
%   Negate the vertices of a polygon.
%   This may have surprising consequences if p is unbounded.

%   Copyright 2003 by Toby Driscoll ([e-mail]).
%   $Id: uminus.m 246 2003-03-03 16:28:04Z driscoll $

q = polygon( -vertex(p), angle(p) );