Vectors – The Dot Product
Vectors – The Dot Product. I show how to compute the dot product of two vectors, along with some useful theorems and results involving dot products. 3 complete examples are shown. For more free math videos, visit JustMathTutoring.com
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July 31st, 2010 at 11:41 am
i am eternally grateful for your physics genius and for helping me out so much
July 31st, 2010 at 12:30 pm
@davoho yes, it seems under lots of circumstances and one day in the future, lots have promised me many things. i will not be holding my breath though!
July 31st, 2010 at 1:14 pm
If I were a millionaire I would pay you ridiculous moneys to tutor me but alas I am not. You are a great tutor.
July 31st, 2010 at 1:24 pm
@orangeman9 ehehehh, its the internet! i am surprised anyone likes it at all!
July 31st, 2010 at 1:57 pm
the 2 people who disliked this must be emo! and just failed calc!
July 31st, 2010 at 2:44 pm
@zasabiibasaz who would download this? a smart person who wants to learn math…… DUH! *cough* idiot *cough*
July 31st, 2010 at 3:03 pm
you could’ve took radical 49 to be 7 , rather than multiplying it with radical 3 to get a crazy number !!?
July 31st, 2010 at 3:35 pm
Thankyou patrick
July 31st, 2010 at 4:19 pm
Thankyou patrick
July 31st, 2010 at 4:36 pm
@livinglinkz just doin’ what i can
July 31st, 2010 at 5:00 pm
you…..are the man.
July 31st, 2010 at 5:43 pm
Which is the meaning of a dot product being negative or positive?
July 31st, 2010 at 6:28 pm
Thanks so much! I finally understand the Dot Product!
July 31st, 2010 at 7:21 pm
simply take the direction vectors i.e. lambda(1,-1,4) and muu(1,-1,0) and dot them
July 31st, 2010 at 8:01 pm
Lefty, fuck yes!
July 31st, 2010 at 8:55 pm
Orthogonal?? Who the hell uses that??
July 31st, 2010 at 9:44 pm
subscribed, Favorited, and T-Up
i finally understand these Dot Product calculations
thanks
July 31st, 2010 at 9:58 pm
@Ilikemustard great!
July 31st, 2010 at 10:55 pm
You teach so much more clearly than my lecturer… So much easier to understand now
July 31st, 2010 at 11:19 pm
dude ur writing with ur left hand
July 31st, 2010 at 11:24 pm
@patrickJMT haha patrick.. my math teacher in grade 11 would staple MCDONALD JOB APPLICATIONS to the back of kids’ tests. (The ones who did poorly /didn’t care)
August 1st, 2010 at 12:16 am
@patrickJMT
haha patrick.. my calculus teacher in grade 11 would staple MCDONALD JOB APPLICATIONS to the back of kids’ tests. (The ones who did poorly /didn’t care)
August 1st, 2010 at 1:00 am
So easy to understand. You’re way better than my teacher. Thanks so much for uploading this.
August 1st, 2010 at 1:40 am
why do we square the numbers in the denominators (the magnitude) @ 4:24?
August 1st, 2010 at 1:46 am
my teacher teaches differently from the book i use, and neither the book, nor the teacher teach well. I thank you greatly for your videos.