import numpy as np


class BilinearFormIntegrator():

    def __init__():
        pass


class DiffusionIntegrator(BilinearFormIntegrator):
    def __init__(self, space, coef=None):
        self.space = space
        self.coef = coef # 扩散系数 

    def assemble_element_matrix():
        """
        @组装单元刚度矩阵
        """


