Mathematics-Online lexicon: Point-Slope Form

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	Mathematics-Online lexicon:
	Point-Slope Form

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The points

on a line through

in direction $\vec{u}$ can be described in parametric form by

$\displaystyle \overrightarrow{PX} = t\vec{u},\quad t\in\mathbb{R}\,.$

$\includegraphics[width=8cm]{a_punkt_richtungsform_bild}$

Correspondingly, for the coordinates of the vector $\vec{x}$ , we have

$\displaystyle x_i = p_i + tu_i,\quad i=1,2,3\, .$

Example:

automatically generated 3/28/2008