symbolic_calculation.py 文件源码

def preview(expr, **kwargs):
    """
    support function to display nice formula
    :param expr:
    :param kwargs:
    :return:
    """
    latex_str = sp.latex(expr, **kwargs)
    latex_str = latex_str.replace("operator_name", "mathrm")
    plt.text(0.1, 0.1, latex_str, fontsize=20)
    plt.axis('off')
    plt.show()