Exercises and Problems in Linear Algebra
(a)Use Gaussian elimination to put the augmented coe cient matrix into row echelon form. The result will be 2 4 1 1 1 a 0 1 1 b 0 0 1 c 3 5where a= , b= , and c= . (b)Use Gauss-Jordan reduction to put the augmented coe cient matrix in reduced row echelon form. The result will be 2 4 1 0 0 d 0 1 0 e 0 0 1 f 3 5where d= , e= , and f= .
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