Traditional Culture Encyclopedia - Photography major - Photography between vectors

Photography between vectors

PQ is on the straight line y=x+ 1.

The projection of op = (0,0) → (x, x+ 1) on the x axis is 1, that is, x= 1.

OP=(0，0)→( 1，2)

PQ=( 1，2)→(x，x+ 1)

|PQ|=√[(x- 1)？ +(x+ 1-2)？ ]=√2

x- 1= 1

X=2 or 0

OQ=(0，0)→(2，3)

Or (0,0) → (0, 1)