Linear Algebra Example: Parametric Solutions

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This video explains how to find the solution to a matrix equation and write it in parametric form.
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seriously, this is a very great introduction to linear algebra. I recommend people watch all of the lectures!

jacobm
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3:03 This is a good example because it illustrates that a column of zeros gives us a free variable, even though they are all zeros which you might think does not give any information (but it does).

maxpercer
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This guy taught me linear algebra better than my own lecturer😭😭❤

Num_nums
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Thank you so much. I was totally not getting this from the text explanation, but this snapped it into focus.

EliseLogan
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this specific matrix used as an example was so helpful to me. thank you!

undercoverz
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BROOOO THIS HELPED ME A LOT TO CLEAR SOME CONFUSIONS !! THANKS SM

adios
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This is great. Really simple explanation

EmilWelton
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Well this is very easy to understand, this is very AWESOME!!

danieltjeong
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It sounds so simple and easy to visualize

tidalfriction
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What would the span be for a non homogeneous equation, lets say if a particular vector p exists to Ax=b?

sandeepneemkar
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Does a 'free' variable means that the variable is ALWAYS ONLY equal to itself? :)

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