Simple ratio
From Encyclopedia of Mathematics
of three points 
on a straight line
The number 
such that
 |
One says, moreover, that 
divides the segment 
in the ratio 
. If 
and 
are the coordinates of 
and 
, then the coordinates of 
are
 |
The simple ratio is an invariant of affine transformations.
How to Cite This Entry:
Simple ratio. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Simple_ratio&oldid=31657
Simple ratio. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Simple_ratio&oldid=31657
This article was adapted from an original article by A.B. Ivanov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article