Linear Algebra Example Problems - Coordinate System Representation Example #1

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When working with vectors we often implicitly use the standard basis. For example, the vector x = [2; -3] tells us the coordinates with respect to the standard basis {[1; 0], [0; 1]}.

At other times it is desirable to work with different coordinate systems that are represented by a different basis. We denote the vector x with respect to the basis B as [x]B.

In this problem we're provided a basis B and the [x]B. We then compute the vector x, the coordinates of [x]B with respect to the standard basis.

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Thank you. So much quicker than Khan academy and you give us the same knowledge.

gavindies
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Wow, I was so confused on this, but now all is clear. Too bad that exam has passed, but this will surely be on the final. Thanks again.

xXBRDNXx
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7 years passed and your videos are still helpful

marioschiras
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Watched so much and read the book. You made it so much easier to understand thank you.

kamron
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I owe you my sanity and ability to sleep tonight

andyhype
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Thank you for this for preparing these videos. This particular video really show what the term ”linear combination” is used for linear transformation.

Belgarathe
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Thank you so much!!! I was struggling for so long lol

garciaoscar
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but I wonder how did you come up with B initially.

wryltxw
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Thank you so much! Very clearly explained

royxss