def plot_gll(x, y, z):
    ' Plots values on 2D unstructured GLL mesh\n    '
    r = ((max(x) - min(x)) / (max(y) - min(y)))
    rx = (r / np.sqrt((1 + (r ** 2))))
    ry = (1 / np.sqrt((1 + (r ** 2))))
    f = plt.figure(figsize=((10 * rx), (10 * ry)))
    p = plt.tricontourf(x, y, z, 125)
    plt.axis('image')
    return (f, p)
Plots values on 2D unstructured GLL mesh
def plot_gll(x, y, z):
    ' \n    '
    r = ((max(x) - min(x)) / (max(y) - min(y)))
    rx = (r / np.sqrt((1 + (r ** 2))))
    ry = (1 / np.sqrt((1 + (r ** 2))))
    f = plt.figure(figsize=((10 * rx), (10 * ry)))
    p = plt.tricontourf(x, y, z, 125)
    plt.axis('image')
    return (f, p)