This paper sets forth non zero element dynamic memory trigonometric decomposition method of large scale sparse positive definite normal equation, which is regular, simple and intuitive, and therefore it is ease to realize in the computer.

• 本文针对具有正定性质的大型稀疏法方程,提出了大型稀疏正定法方程的非零动态存储三角分解法,运用复式链表来动态存储稀疏矩阵。