INT
what are two unit vectors that are orthogonal to both <1,1,1> and <0,4,4>



This Question is Closed

YTheManifold
Best Response
You've already chosen the best response.
1
Cross product..

INT
Best Response
You've already chosen the best response.
0
Im not getting the right answer for some reason

YTheManifold
Best Response
You've already chosen the best response.
1
Normalize!

INT
Best Response
You've already chosen the best response.
0
can you show me the steps?

YTheManifold
Best Response
You've already chosen the best response.
1
\[ \frac{v\times w}{v\times w} \]

INT
Best Response
You've already chosen the best response.
0
I don't understand the denominator

INT
Best Response
You've already chosen the best response.
0
I guess my question would be how do you normalize

YTheManifold
Best Response
You've already chosen the best response.
1
Well if you have a vector v=(x,y,z) then \[ v := \sqrt{x^2+y^2+z^2} \]

Zarkon
Best Response
You've already chosen the best response.
0
\[\<a,b,c>\=\sqrt{a^2+b^2+c^2}\]

INT
Best Response
You've already chosen the best response.
0
ok, I got one of them.
Would the other orthogonal vector just be B X A ?

YTheManifold
Best Response
You've already chosen the best response.
1
Just take the negative!

YTheManifold
Best Response
You've already chosen the best response.
1
Multiply by 1.

INT
Best Response
You've already chosen the best response.
0
oh, you're right!

INT
Best Response
You've already chosen the best response.
0
haha thanks.