贵州师范大学学报:自然科学版
貴州師範大學學報:自然科學版
귀주사범대학학보:자연과학판
Journal of Guizhou Normal University(Natural Sciences)
2012年
3期
72-74,83
,共4页
块状矩阵%严格块对角占优矩阵%双向收缩
塊狀矩陣%嚴格塊對角佔優矩陣%雙嚮收縮
괴상구진%엄격괴대각점우구진%쌍향수축
block banded matrix%diagonal block strictly diagonally dominant matrix%biforward berrevent
给出了一种沿对角线双向收缩法解系数矩阵为严格块对角占优矩阵的线性方程组,这种算法与经典的LU分解算法进行了比较,例子说明了算法的有效性.
給齣瞭一種沿對角線雙嚮收縮法解繫數矩陣為嚴格塊對角佔優矩陣的線性方程組,這種算法與經典的LU分解算法進行瞭比較,例子說明瞭算法的有效性.
급출료일충연대각선쌍향수축법해계수구진위엄격괴대각점우구진적선성방정조,저충산법여경전적LU분해산법진행료비교,례자설명료산법적유효성.
In this paper, biforward berrevent algorithm along the diagonal for block linear equation which coefficient is diagonal block strictly diagonally dominant matrix was given . this algorithm and the classic LU decomposition algorithm equire about the same amount of work. some numerical examples are presented to verify the efficiency of the algorithm.