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# Demo Colorbar of Inset Axes

    import matplotlib.pyplot as plt

    from mpl_toolkits.axes_grid1.inset_locator import inset_axes, zoomed_inset_axes
    from mpl_toolkits.axes_grid1.colorbar import colorbar

    def get_demo_image():
        from matplotlib.cbook import get_sample_data
        import numpy as np
        f = get_sample_data("axes_grid/bivariate_normal.npy", asfileobj=False)
        z = np.load(f)
        # z is a numpy array of 15x15
        return z, (-3, 4, -4, 3)

    fig, ax = plt.subplots(figsize=[5, 4])

    Z, extent = get_demo_image()

    ax.set(aspect=1,
           xlim=(-15, 15),
           ylim=(-20, 5))

    axins = zoomed_inset_axes(ax, 2, loc=2)  # zoom = 6
    im = axins.imshow(Z, extent=extent, interpolation="nearest",
                      origin="lower")

    plt.xticks(visible=False)
    plt.yticks(visible=False)

    # colorbar
    cax = inset_axes(axins,
                     width="5%",  # width = 10% of parent_bbox width
                     height="100%",  # height : 50%
                     loc=3,
                     bbox_to_anchor=(1.05, 0., 1, 1),
                     bbox_transform=axins.transAxes,
                     borderpad=0,
                     )

    colorbar(im, cax=cax)

    plt.show()

Total running time of the script: ( 0 minutes 0.213 seconds)

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