【摘要】 介绍正定矩阵的三角分解方法；讨论利用正定矩阵三角分解，求线性时称方程组中未知数、未知数函数，以及方程组系数矩阵逆阵的方法；给出了相应计算的紧凑格式和在测量平差中的应用实例。更多还原

【Abstract】 This paper introduces the method of triangulation resolution for positive definite matrix, discusses the method in which using the triangulation resolution of the matrix, we can solve the unknown mumber of system of linear sysmmetric equations、the function of unknown number and the inverse matrix of coefficient matrix for equation set, and it gives the compact form and applied example of appropriate calculation.更多还原