.. _pylab_examples-symlog_demo:

pylab_examples example code: symlog_demo.py
===========================================



.. plot:: /home/tcaswell/source/my_source/matplotlib/doc/mpl_examples/pylab_examples/symlog_demo.py

::

    #!/usr/bin/env python
    
    import matplotlib.pyplot as plt
    import numpy as np
    
    dt = 0.01
    x = np.arange(-50.0, 50.0, dt)
    y = np.arange(0, 100.0, dt)
    
    plt.subplot(311)
    plt.plot(x, y)
    plt.xscale('symlog')
    plt.ylabel('symlogx')
    plt.grid(True)
    plt.gca().xaxis.grid(True, which='minor')  # minor grid on too
    
    plt.subplot(312)
    plt.plot(y, x)
    plt.yscale('symlog')
    plt.ylabel('symlogy')
    
    plt.subplot(313)
    plt.plot(x, np.sin(x / 3.0))
    plt.xscale('symlog')
    plt.yscale('symlog', linthreshy=0.015)
    plt.grid(True)
    plt.ylabel('symlog both')
    
    plt.show()
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)