.. _pylab_examples-xcorr_demo: pylab_examples example code: xcorr_demo.py ========================================== .. plot:: /home/mdboom/Work/builds/matplotlib/doc/mpl_examples/pylab_examples/xcorr_demo.py :: import matplotlib.pyplot as plt import numpy as np x,y = np.random.randn(2,100) fig = plt.figure() ax1 = fig.add_subplot(211) ax1.xcorr(x, y, usevlines=True, maxlags=50, normed=True, lw=2) ax1.grid(True) ax1.axhline(0, color='black', lw=2) ax2 = fig.add_subplot(212, sharex=ax1) ax2.acorr(x, usevlines=True, normed=True, maxlags=50, lw=2) ax2.grid(True) ax2.axhline(0, color='black', lw=2) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)