plot3axisatorigin

% PLOT3AXISATORIGIN Plot lines and points in 3-D space with
% axes through the origin
%
% Usage:
% Plot3AxisAtOrigin(sin([-3:.3:6]),cos([-3:.3:6])-0.75,[-1:.1:2],'r')
% title('Plot3 with Axis Through Origin');
%
% It's not fancy, but it works
%
% 'just an example for CSSM
%
% see PLOT3