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anonymous

  • 5 years ago

Find the rank and nullity of the matrix A=1 1 -1 -1 -3 -3 rank(A)=? nullity(A)=?

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  1. anonymous
    • 5 years ago
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    Do you know how to write this matrix in row reduced echelon form?

  2. amistre64
    • 5 years ago
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    rank 1 right?

  3. anonymous
    • 5 years ago
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    Yep.

  4. amistre64
    • 5 years ago
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    it appears that row or column vectors are just multiplies of the other/same as so only 1 independantly linear vector is produced

  5. anonymous
    • 5 years ago
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    Since it has only one leading 1 entry.

  6. amistre64
    • 5 years ago
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    got no clue as what a nulitty is ;)

  7. anonymous
    • 5 years ago
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    That's right. The nullity + rank is equal to the number of columns. In this case, it's 2-1=1.

  8. anonymous
    • 5 years ago
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    Does that help zebani?

  9. anonymous
    • 5 years ago
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    yes it is correct thanks for helping =))

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spraguer (Moderator)
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