Scalar and vector projections (KristaKingMath)

Рет қаралды 117,727

10 жыл бұрын

► My Vectors course: www.kristakingmath.com/vector...
Learn how to find the scalar projections and vector projections of a onto b. The scalar projection is also called the component of b along a.
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If you could use some extra help with your math class, then check out Krista’s website // www.kristakingmath.com
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Hi, I’m Krista! I make math courses to keep you from banging your head against the wall. ;)
Math class was always so frustrating for me. I’d go to a class, spend hours on homework, and three days later have an “Ah-ha!” moment about how the problems worked that could have slashed my homework time in half. I’d think, “WHY didn’t my teacher just tell me this in the first place?!”
So I started tutoring to keep other people out of the same aggravating, time-sucking cycle. Since then, I’ve recorded tons of videos and written out cheat-sheet style notes and formula sheets to help every math student-from basic middle school classes to advanced college calculus-figure out what’s going on, understand the important concepts, and pass their classes, once and for all. Interested in getting help? Learn more here: www.kristakingmath.com
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Пікірлер: 54

@Cole444Train 2 жыл бұрын

I appreciate the speed and clarity. No fluff, just info presented in a clear and concise manner.

@Hellomothersauce 8 жыл бұрын

you're seriously an angel sent from heaven. BLESS UR SOUL FOR SAVING OUR LIVES

@kristakingmath 8 жыл бұрын

+Mae Louise Please (maelouiseplease) I'm not sure I deserve that much credit, but I'm glad I can help. :)

@barerahasan7487 5 жыл бұрын

you are honestly the best person on this planet

@emiajyduj 8 жыл бұрын

Thrilled to find such talented people in the virtual world ! Thank you Ms. king~! :) Stay amazing :)))))

@MarcMiglino510 8 жыл бұрын

great videos, clearly explained and very helpful.

@arasuramalingam1428 6 ай бұрын

Fantastic explanation !! Thanks Krista.

@swathiambi3849 2 жыл бұрын

Amazing handwriting! I thought it was a computer font initially 😃

@mehdihashempour9707 6 жыл бұрын

Thank you so much for all the videos! saving my life here ! :)

@ranjitsoren8893 3 жыл бұрын

She explained it so well ..👍 👍🏻 she is really an angle sent from heaven❤️❤️

@yvonnedebrabander8534 3 жыл бұрын

Awesome! Thank you for explaining.

@kristakingmath 3 жыл бұрын

You're welcome, Yvonne, I'm happy to help! :D

@julissacotillo 2 жыл бұрын

so helpful thank you!

@peterg4130 4 жыл бұрын

a little fast, but I like how you're explaining this. Thank you!

@analyticgeometry9014 Жыл бұрын

Thank you thank you thank you!!!

@fabianagoncalves5937 5 жыл бұрын

QUEEEEEEN!!! TKS A LOT!!!!

@frownbee1272 Жыл бұрын

Thank you really🤗

@lilystyles5455 5 жыл бұрын

very helpful

@mickydave1426 5 ай бұрын

Amazing, short and simple explanation 10 Q good lady keep it up 👏

@kristakingmath 4 ай бұрын

Thank you so much 🙂

@amey9719 4 жыл бұрын

Thank You very much!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

@sandeshpereira761 10 жыл бұрын

Hey just wanted to let you know that I think you do better problems than Patrick!! Thank you so much for helping me pass Calc!!!

@kristakingmath 10 жыл бұрын

I'm so glad I could help along the way! :D

@fahadalsubaiei4580 5 жыл бұрын

I love you i just love you 💖 you saved my soul 🖤🌼

@kristakingmath 5 жыл бұрын

I'm so glad it helped, Fahad! :)

@nubainnoob8419 Жыл бұрын

If it is was the projection form a onto b we would've divided by vector b?

@shane9287 5 жыл бұрын

There needs to be a commandment from the math gods to change the way everyone says comp_a b and proj_a b. Away with "the scalar projection of b onto a" In with "the scalar projection upon a, b"

@kristakingmath 5 жыл бұрын

Love it! :D

@082147670333 3 жыл бұрын

Whats the different between B onto A and A onto B can anyone tell ?

@MrYusufgovani 10 жыл бұрын

Hi. Very good explanation!

@kristakingmath 10 жыл бұрын

Thanks! :)

@mehmoodahmad8144 7 жыл бұрын

Krista King if we find projection of A on to C so can I use the same formula?

@kristakingmath 7 жыл бұрын

Yes, it doesn't matter how you name the vectors, these are just formulas for projections in general. So if you have vectors a and c, you should be fine to do the same thing.

@raymondmamaril7537 6 жыл бұрын

Nice and clear presentation. 👍

@neal6861 4 жыл бұрын

how about the projection from A onto B? will i just reverse the equation? tia :)

@susa9786 2 жыл бұрын

Probably yes

@jib9058 8 жыл бұрын

in order to find the projection of two vector can i use this formula ? or is it correct if i use ? for example: find the projection of f onto w? proj f = ( f^(T) *( w / |w| )) * ( w / |w| ) w f^(T) is the transpose of f thanks