#!/usr/bin/env python """Simple matshow() example.""" from matplotlib.pylab import * def samplemat(dims): """Make a matrix with all zeros and increasing elements on the diagonal""" aa = zeros(dims) for i in range(min(dims)): aa[i,i] = i return aa # Make a few matrices of strange sizes dimlist = [(12,12),(128,64),(64,512),(1024,128)] for d in dimlist: matshow(samplemat(d)) # Display a random matrix with a specified figure number and a grayscale colormap matshow(rand(64,64),fignum=100,cmap=cm.gray) show()