扩散方程采用隐式局部一维格式差分离散，利用追赶法求解；
The diffusion equation was discretized using a local one-dimensional finite difference equation and solved using the speedup method.
此线性方程组可用追赶法求解，也可用高斯法求解，还可以采用迭代法求解。
For node number n , the series equations can be written as a linear equations, also can be express as a triangle array as following.
应用预估校正法对所形成的非线性抛物型方程进行线性化，采用追赶法进行求解。
The nonlinear parabolic equation thus formed is linearized through proofread-correct method and is solved by LU decomposition.
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