Mo logo [home] [lexicon] [problems] [tests] [courses] [auxiliaries] [notes] [staff] german flag
Mathematik-Online lexicon:

Example: Poles

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 overview
The function

$\displaystyle f(x)=\frac{x+1}{x-1}$

has a pole at the point $ x_0=1$ because the denominator is zero there and the nominator not.

The straight line with the equation $ x=1$ is a vertical asymptote.

\includegraphics[width=0.8\textwidth]{pol.eps}
(Author: Knödler)

see also:

  automatisch erstellt am 8.  7. 2004