初等变换乘子矩阵示例 ·E=E1gen(8,4,6) E2=E2gen(8,4,6) o ·E3=E3gen(8,4,6,5) ·例如E3=E3gen(3,1,3,4) 100 a11a12a13 a11 a12 a13 A3=E3*A= 010 a21 a22 a23 a21 a22 a23 401 a31a32a33a31+4a11a32+4a12a33+4a13 初等变换乘子矩阵示例 • E=E1gen(8,4,6) • E2=E2gen(8,4,6) • E3=E3gen(8,4,6,5) • 例如E3=E3gen(3,1,3,4) 11 12 13 11 12 13 21 22 23 21 22 23 31 32 33 31 11 32 12 33 13 1 0 0 a a a a a a 3 3* 0 1 0 a a a a a a 4 0 1 a a a a +4a a +4a a +4a A E A             = =  =                  