polygon.m

      %script polygons
      %trace 20 polygones colors alatoires.

      c ='ycmrwgb';
      for i = 1:20
        n = 5.*rand(1) + 3;
        x = 100.*rand(1,n);
        y = 100.*rand(1,n);
        fill(x,y,c(rem(i,7)+1));
        hold on;
      end;
      drawnow;