本压缩包包括了数值分析中求解线性方程组的各种程序，包括：顺序Gauss消去法、列主元顺序Gauss消去法、Doolittle三角分解法、选主元的Doolittle分解法、带状三角分解法以及优化的带状三角分解法。-The compressed package includes various procedures for solving linear equations in numerical analysis, including: the Sequence Gauss Elimination method, Sequence Gauss Elimination method with selecting the main element of the column, Doolittle Triangular Decomposition method, Doolittle Decomposition method with selecting the main element of the column, Banded Triangular Decomposition method and an optimized Band Triangular Decomposition method.