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: diag

Macro: xdiag
Description: Extracts diagonal elements from matrices.

Usage: d = xdiag (x)
Input:
x n x n x d1 x d2 ... array of quadratic matrices
Output:
d n x 1 x d1 x d2 ... array of diagonal elements

Example:
library("xplore")
xdiag (diag (1:4))
Result:

Contents of d
[1,]     1
[2,]     2 
[3,]     3 
[4,]     4 

Library: xplore
See also: diag

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: Sigbert Klinke, 980519
(C) MD*TECH Method and Data Technologies, 17.8.2000