Week 10 and 11 - Geometry Flashcards
1
Q
From the points P and Q, how can you get the generating expression for a line they both lie on?
A
X = P + s . PQ
2
Q
From the points P, Q and R, how can you get the generating expression for a plane they all lie on?
A
X = P + s . PQ + t . PR
3
Q
Formula for the inner product
A
〈v,w〉= v1w1 + v2w2 + v3w3
4
Q
What does an inner product of 0 mean?
A
The two vectors are orthogonal to each other
