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EliC

  • 3 years ago

solve the system x1+X2 -x3 +x4 =5 -3x1 +x2 =5x4=2 2x1 + 1/2 x2 -x3= 2

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  1. kashbmaryd
    • 3 years ago
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    are you talking about x^2 or 2x on the first line?

  2. UsukiDoll
    • 3 years ago
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    augmented matrix

  3. UsukiDoll
    • 3 years ago
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    write it in augmented matrix form and then use the Gaussian method to get into echelon form

  4. UsukiDoll
    • 3 years ago
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    after that use Guass Jordan (row reduced echleon form)

  5. UsukiDoll
    • 3 years ago
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    |dw:1361520164481:dw|

  6. UsukiDoll
    • 3 years ago
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    |dw:1361520243815:dw|we have some numbers below the main diagonal. we need to get rid of them

  7. UsukiDoll
    • 3 years ago
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    3r1+r2 ---> r2 2r1+r3 ---> r3

  8. UsukiDoll
    • 3 years ago
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    |dw:1361520296588:dw|

  9. UsukiDoll
    • 3 years ago
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    |dw:1361520348370:dw|

  10. UsukiDoll
    • 3 years ago
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    |dw:1361520395578:dw|

  11. UsukiDoll
    • 3 years ago
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    |dw:1361520453895:dw|

  12. UsukiDoll
    • 3 years ago
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    |dw:1361520485980:dw|

  13. UsukiDoll
    • 3 years ago
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    |dw:1361520642615:dw|

  14. UsukiDoll
    • 3 years ago
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    |dw:1361520682113:dw|

  15. UsukiDoll
    • 3 years ago
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    |dw:1361520706134:dw|

  16. UsukiDoll
    • 3 years ago
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    3r2-2r3 -->r3

  17. UsukiDoll
    • 3 years ago
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    |dw:1361520750768:dw|

  18. UsukiDoll
    • 3 years ago
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    |dw:1361520816538:dw|

  19. UsukiDoll
    • 3 years ago
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    |dw:1361520917543:dw|

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