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mrtuba
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how many pivot columns must a 4x6 matrix have if its columns span R4
 10 months ago
 10 months ago
mrtuba Group Title
how many pivot columns must a 4x6 matrix have if its columns span R4
 10 months ago
 10 months ago

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mrtuba Group TitleBest ResponseYou've already chosen the best response.0
I believe it is 4 but can no give a good reason why
 10 months ago

e.mccormick Group TitleBest ResponseYou've already chosen the best response.1
Yes, it only spans a much as it has unique rows and unique columns of.
 10 months ago

e.mccormick Group TitleBest ResponseYou've already chosen the best response.1
Some proofs related to this: http://www.math.northwestern.edu/~clark/285/handouts/colbasis.pdf Not exactly it, but they talk about the column span.
 10 months ago

e.mccormick Group TitleBest ResponseYou've already chosen the best response.1
np. have fun!
 10 months ago
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