Linear Algebra: Checking if a Vector is in the Nullspace

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A quick example of checking if a vector is in the Nullspace of a matrix
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Short and simple video, you are the real MVP!

TheSarcasticGamr
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Damn, that was so simple. Thanks for simplifying my life man!!!

lLl-flrv
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bro why does my lecturer make things so complicated. Thank you!

VictorTorres-fimu
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Really good tutorial man :) helped me out!

KrisFoster
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thank you its so much easier than I thought

fa-drvh
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Great, but what if you want to check is a 3x1 vector is in the null space of a 3x2 matrix? This technique is useful, but only if you have matrices that multiply

jeramyevans
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this was really helpful my lord lol thanks very much

dukecoldreaver
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how to determine if a vector is in the column space of a matrix?

vishalparmar
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Great explanation, the answer you got was correct, but one of the calculations was wrong, the last element of vector that resulted from multiplying A and v should have been -4, not 4, because -2*2 = -4. Thanks for the video though I needed that explanation!

jasonavina
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Thank ye, I is in the null space after all. :)

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