Keywords - Function groups - @ 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

Library: xplore
See also: inv svd

Quantlet: ginv
Description: Calculates a pseudo-inverse of x, such that x*ginv(x)*x = x.

Usage: ixx = ginv(x)
Input:
x n x p matrix , the considered matrix
Output:
ixx p x p matrix , a pseudo-inverse of x

Example:

library("xplore")

x   = normal(5,3)

ginv(x)             

Result:

Contents of the pseudo-inverse of x


Library: xplore
See also: inv svd

Keywords - Function groups - @ 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

Author: S.Sperlich 970730, P. Ruckdeschel 991025
(C) MD*TECH Method and Data Technologies, 21.9.2000