LU decomposition
LU decomposition. 日期: 2014/9/30 助教:汪柏岑 授課老師:徐國錦 教授. LU 分解. Doolittle’s method Crout’s method Choleski’s method. Doolittle’s method. library(Matrix ) B=matrix(c(1,2,0,1)) mm <- matrix(c(4,-1,-1,0,-1,4,0,-1,-1,0,4,-1,0,-1,-1,4), nrow =4) lum <- lu (mm) elu <- expand( lum )
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