Re: Geometry with distance, vector.
- From: "mina_world" <mina_world@xxxxxxxxxxx>
- Date: Mon, 15 Sep 2008 22:08:42 +0900
"Jannick Asmus" <jannick.newsREMOVE_ME@xxxxxx> wrote in message
news:galhdj$cbs$1@xxxxxxxxxxxx
On 15.09.2008 13:19, mina_world wrote:
What is <c(t) - a , u > ?
<.,.> denotes the standard scalar product on R^2.
It's really the distance from the point c(t) to the line R ?
Yes. Prove it.
Yes, easy.
||c(t)-a||.||u||.cos(theta) = ||c(t)-a||.cos(theta) with drawing...
.
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