JT
Posts:
1,150
Registered:
4/7/12


Re: What does one call vector geometry without a coordinate system?
Posted:
Sep 1, 2013 7:22 AM


Den lördagen den 31:e augusti 2013 kl. 01:30:23 UTC+2 skrev lite.o...@gmail.com: > I remember in grade school (grade 8 or 9ish) we did geometry with vectors as a tool but without any coordinate system. > > > > We often picked a random point and called it O, then proved things like if M was midpoint between two points A, B, then: > > > > OM = 1/2 * (OA + OB) > > > > A lot of stuff was proven with just points and vectors from points to other points (with the fact OX = XO used heavily). > > > > What's the name of this geometry? I'm thinking of looking this stuff up again.
I think this going somewhere there numbers not have an magnitude, but guess what it is wrong an offset is an magnitude.

