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# Ellipse Collection

    import matplotlib.pyplot as plt
    import numpy as np
    from matplotlib.collections import EllipseCollection

    x = np.arange(10)
    y = np.arange(15)
    X, Y = np.meshgrid(x, y)

    XY = np.hstack((X.ravel()[:, np.newaxis], Y.ravel()[:, np.newaxis]))

    ww = X/10.0
    hh = Y/15.0
    aa = X*9

    fig, ax = plt.subplots()

    ec = EllipseCollection(ww, hh, aa, units='x', offsets=XY,
                           transOffset=ax.transData)
    ec.set_array((X + Y).ravel())
    ax.add_collection(ec)
    ax.autoscale_view()
    ax.set_xlabel('X')
    ax.set_ylabel('y')
    cbar = plt.colorbar(ec)
    cbar.set_label('X+Y')
    plt.show()

Total running time of the script: ( 0 minutes 0.051 seconds)

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