Question

Determine why isn't an inner product for u=(u_1,u_2) and v=(v_1,v_2) in R^2: = -u_2v_2

Answer 1

srry i dont get it

Answer 2

lol ya ofc u wldnt lol

Answer 3

hehehe

Answer 4

u need to use dot and cross product

Answer 5

nooo not really

Answer 6

then?

Answer 7

well u gotta prove that its not an inner product that has nothing to do with dot product unless it states so

Answer 8

bad reference... u can give good references :D

Answer 9

Zarkon help me plz :D

Answer 10

<(1,0),(1,0)>=0

Answer 11

You mystify me, Zarkon. Care to explain?

Answer 12

Zarkon is a computer lol

Answer 13

pippa u hav expectations from zarkon.. :D

Answer 14

\[<u,u>\ge0\]

and \[<u,u>=0 \Leftrightarrow u=(0,0)\]

Answer 15

Ya cuz he has helped me in the past

Answer 16

I get it. XD I was overthinking this, because I'm dumb. :(

Answer 17

Gah, I need to review Linear.

Answer 18

haha u r not dumb

Answer 19

Thanks @Zarkon U R AWESOME :DDD

Answer 20

no problem