Book
Linear Algebra
Author
Gilbert Strang
Edition
x,y,z=var('x,y,z') A=matrix(QQ,[[2,-3,0],[4,-5,1],[2,-1,-3]]) print A print b = vector([3,7,5]) C = A.augment(b.transpose()) print C print C.swap_rows(1,0) print C print C.add_multiple_of_row(1, 0,-1/2) C.add_multiple_of_row(2,0,-1/2) print C print C.swap_rows(1,2) print C print C.add_multiple_of_row(2,1,1/3) print C print z = 0 y = C[1,3]/C[1,1] x = (C[0,3] - C[0,2]*z - C[0,1]*y)/C[0,0] print x, y, z
Solution by:
- RACHIT JHA, STUDENT, IIT ROORKEE
- AMIT TEWARI, STUDENT, IIT ROORKEE
- ARNAB BASU, STUDENT, IIT ROORKEE
- SHUBHAM MITTAL, STUDENT, IIT ROORKEE