Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
A=matrix(QQ, [[-3,6,-9],[1,-4,3],[2,5,-7]]) print A b=vector([-46.725,19.571,-20.073]) B=matrix([b]) C=A.augment(B.transpose()) print C C.add_multiple_of_row(2,1,-2) print C C.add_multiple_of_row(0,1,3) print C C.rescale_row(0,1/6) print C C.add_multiple_of_row(2,0,13) print C C.add_multiple_of_row(1,0,-4) print C C.rescale_row(2,1/-13) print C C.add_multiple_of_row(1,2,-3) print C C.rescale_row(0,1/-1) print C z = C[2,3] y = C[1,3] x = C[0,3] print z,y,x
Solution by:
<Archana>, <Student>, <SNIST>