Reset ColorOrder index for plotting in Matlab / Octave

Question

I have matrices x1, x2, ... containing variable number of row vectors. I do successive plots

figure
hold all % or hold on
plot(x1\'         


        

Answer 1

Starting from R2014b there's a simple way to restart your color order.

Insert this line every time you need to reset the color order.

set(gca,'ColorOrderIndex',1)

or

ax = gca;
ax.ColorOrderIndex = 1;

see: http://au.mathworks.com/help/matlab/graphics_transition/why-are-plot-lines-different-colors.html