matlab实现thomas算法对三角矩阵解线性方程组-matlab thomas algorithm to achieve the solution of the triangular matrix of linear equations

托马斯算法求肋片传热问题，给定初始条件，从高到低-thomas algorithm

三角阵算法，在计算流体力学及传热学中应用很广，也叫Thomas算法。-Triangular matrix algorithm, a very wide application in computational fluid dynamics and heat transfer medium, also called Thomas algorithm.