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⇤ ← Revision 1 as of 2010-12-18 07:50:26 →
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Editor: sarvani.kotha
Comment:
← Revision 2 as of 2010-12-18 12:17:09 → ⇥
Size: 865
Editor: 10
Comment:
Deletions are marked like this. Additions are marked like this.
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   * <Sarvani>, <Student>, <SNIST>  *<yedukondalu>, <student>, <Prakasam engineering College>
   *<n srija> <student>, <Prakasam engineering College>
   *<triveni>, <student>, <Prakasam engineering College>
  
   *<siva latha>, <student>, <Prakasam engineering College>

  • Book

    Linear Algebra

    Author

    Gilbert Strang

    Edition

    		 

A=matrix(QQ,[[1,2,-2,0],[2,3,-4,1],[-1,-2,0,2],[-0,2,5,3]])
A.add_multiple_of_row(1,0,-2)
A.add_multiple_of_row(2,0,1)
A.add_multiple_of_row(3,1,2)
A.rescale_row(3,0.2)
A.rescale_row(2,0.5)
A.add_multiple_of_row(3,2,1)
A.det()
B=matrix([[2,-1,0,0],[-1,2,-1,0],[0,-1,2,-1],[0,0,-1,-2]])
B.rescale_row(1,2)
B.add_multiple_of_row(1,0,1)
B.swap_rows(1,2)
B.add_multiple_of_row(2,1,3)
B.swap_rows(2,3)
B.add_multiple_of_row(3,2,4)
B.det()

  • Solution by:

  • <yedukondalu>, <student>, <Prakasam engineering College>

    • <n srija> <student>, <Prakasam engineering College>

    • <triveni>, <student>, <Prakasam engineering College>

    • <siva latha>, <student>, <Prakasam engineering College>

Strang-4.2-4-U (last edited 2010-12-18 12:17:09 by 10)