Simple ellipse plotting function

Plots a filled ellipse in a certain orientation using Matlab's 'patch'.

function plot_ellipse(a,b,cx,cy,angle,color)
%a: width in pixels
%b: height in pixels
%cx: horizontal center
%cy: vertical center
%angle: orientation ellipse in degrees
%color: color code (e.g., 'r' or [0.4 0.5 0.1])