Function plot

docs/source/reference/_examples/matplotlib_plot.py:49–56

(title, x, y)

def plot(title, x, y):
    fig, axes = plt.subplots()
    axes.plot(x, y)
    axes.set_title(title)
    buffer = BytesIO()
    fig.savefig(buffer, format="png")
    plt.close(fig)
    return image("png", buffer.getvalue())


def poly_coef_input(index, callback):