langan法射线追踪及层析矩阵求解。参数化方式为矩形网格参数化。射线追踪和层析矩阵求解过程中采用压缩存储方式，正则化约束以矩阵方式补入。-ray tracing and langan chromatography method for solving matrix. Parameterization for the parameters of the rectangular grid. Ray-tracing process chromatography matrix used to solv