.. _pylab_examples-legend_demo3:

pylab_examples example code: legend_demo3.py
============================================



.. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/legend_demo3.py

::

    import matplotlib.pyplot as plt
    import numpy as np
    
    x = np.linspace(0, 1)
    
    # Plot the lines y=x**n for n=1..4.
    ax = plt.subplot(2, 1, 1)
    for n in range(1, 5):
        plt.plot(x, x**n, label="n={0}".format(n))
    plt.legend(loc="upper left", bbox_to_anchor=[0, 1],
               ncol=2, shadow=True, title="Legend", fancybox=True)
    ax.get_legend().get_title().set_color("red")
    
    # Demonstrate some more complex labels.
    ax = plt.subplot(2, 1, 2)
    plt.plot(x, x**2, label="multi\nline")
    half_pi = np.linspace(0, np.pi / 2)
    plt.plot(np.sin(half_pi), np.cos(half_pi), label=r"$\frac{1}{2}\pi$")
    plt.plot(x, 2**(x**2), label="$2^{x^2}$")
    plt.legend(shadow=True, fancybox=True)
    
    plt.show()
    

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