Write a vector as a linear combination of other vectors

[@LG3xclusive]

This is the best example that I've seen on the internet by far to set it up like a normal math problem and distribute. For crying out loud, make it make sense! Ty 🙏

[@DaniyarZholdybayev]

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[@benitocamelas9144]

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[@DaniyarZholdybayev]

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[@kipngenopozee]

I am satisfied with the elaboration ✅✅naweka ✅✅

[@shahwarmukhtar6780]

Impressively explained 👌

[@davidmuthama2643]

truely

[@DaniyarZholdybayev]

@@davidmuthama2643 i like IT TOO

[@chisangamulenga5984]

Extremely helpful 🤝

[@marlabasa5389]

thank you so much!💖

[@DaniyarZholdybayev]

truely

[@gerakore8948]

suspiciously this is the exact same problem on my homework. this helps. SWC math 254

[@DrDerivative]

Is it considered improper notation to use vector brackets when defining vectors u_1, u_2, u_3? For example, u_1 =

[@davidfriday7498]

It varies from book to book and class to class. In this particular linear algebra course, there's not much difference between the ordered n-tuple and the vector itself, as opposed to a Calc III course where points and vectors hold VERY different purposes (see directional derivatives).

[@Bennynyondo]

Good example

[@musaHassanMuhammad]

Thank u David but pls where can I get this kind of calculator?

[@davidfriday7498]

www.bestbuy.com/site/texas-instruments-ti-84-ce-graphing-calculator-black/5633045.p?skuId=5633045

[@DrDerivative]

Are these videos supplimentary to your lectures? "Since we have now been formarly introduced to the idea of a linear combonation", suggests that there is more material? Is this allocated to only students at the college?

[@davidfriday7498]

That was the intent when I created the playlists. You would have seen the material either in class or during a previous video. I was lecturing and creating the videos at the same time, so there was a lot of overlap in their creation with my lectures.

[@viviannesogomo5182]

what if i dont have a graphing calculator

[@davidfriday7498]

If you have access to the internet, I can recommend a few good websites with free calculators to use. The most intuitive matrix calculator is at www.desmos.com/matrix I use Desmos for almost all of my in class demonstrations that require a graphing, matrix, scientific, or four function calculator. You can also use the tools on wolframalpha.com, but their calculator is less intuitive to set up. Of course, there is always the ability to put the matrix in rref by hand. You can reference my videos from chapter 1's playlist to see how to do that!

[@amkai2928]

Got it.

[@1n175]

I use 991 ms calculator how to use it

[@davidfriday7498]

support.casio.com/global/en/calc/manual/fx-100MS_570MS_991MS_en/using_calculation_modes/matrix_calculations/