摘要
由文献[1]知,正定矩阵三角分解后,下三角阵中各元素在阵中的位置具有一定的分布规律,为此可将矩阵中用二维形式表示的诸元素利用位置函数表示为一维形式,文献[1]中所有利用下三角阵各元素进行计算的公式也都可表示为一维形式,使程序设计简单易行。
According to reference[1], after a positive definite matrix is decomposed,the element positions in the below triangular matrix are arranged regularly. Thus the matrix may be presented as 1-D type insead of 2-D type using the position functions of the elements. All the formulas in reference[1] can also be presented as 1-D type, making programming easy,
出处
《测绘工程》
CSCD
1999年第2期46-49,共4页
Engineering of Surveying and Mapping
关键词
正定矩阵
一维三角分解法
应用
测量
误差
Positive definite matrix
One-dimension triangular decomposition
Application