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← Revision 3 as of 2010-12-18 07:21:34 ⇥
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| Deletions are marked like this. | Additions are marked like this. |
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| a=matrix([[1],[4],[2]])*matrix([[2,-1,2]]) print det(a) |
A1=matrix([[1],[4],[2]]) print A1 A2=matrix([[2,-1,2]]) print A2 A=A1*A2 print A A.det() |
| Line 11: | Line 16: |
| print U[0,0]*U[1,1]*U[2,2]*U[3,3] l=U.transpose() print l ui=U**(-1) print ui U.swap_rows(0,3) U.swap_rows(1,2) |
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| print det(U) }}} |
print U.det() U1=U.transpose() print U1 print U1.det() U2=U.inverse() print U2 print U2.det() M=matrix([[0,0,0,2],[0,0,2,6],[0,1,2,2],[4,4,8,8]]) print M M.swap_rows(0,3) print M M.swap_rows(2,1) print M.det()}}} |
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| * Swethakumari G, student,SNIST * Radha Bhukya, student, SNIST * Usha Rani,student, SNIST |
* <pratyusha.C>,<student>,<SNIST> *<Reepu Kumari>,<student>,<SNIST> *<Renuka.Y>,<student>,<SNIST> |
Book
Linear Algebra
Author
Gilbert Strang
Edition
A1=matrix([[1],[4],[2]]) print A1 A2=matrix([[2,-1,2]]) print A2 A=A1*A2 print A A.det() U=matrix([[4,4,8,8],[0,1,2,2],[0,0,2,6],[0,0,0,2]]) print U print U.det() U1=U.transpose() print U1 print U1.det() U2=U.inverse() print U2 print U2.det() M=matrix([[0,0,0,2],[0,0,2,6],[0,1,2,2],[4,4,8,8]]) print M M.swap_rows(0,3) print M M.swap_rows(2,1) print M.det()
Solution by:
<pratyusha.C>,<student>,<SNIST>
<Reepu Kumari>,<student>,<SNIST>
<Renuka.Y>,<student>,<SNIST>