ToBeReviewed/CALCULS/
determ3.pro
computes the determinant of n 3 by 3 arrays.
Z2DS is an 3*3*n array
determ3
Without loop
result = determ3(in00, in01, in02, in10, in11, in12, in20, in21, in22)
Return value
n elements array, the determinant of each 3*3 arrays
Parameters
in00
in
required
It is an n element array
defined by in00 = z2ds[0, 0, *]
in01
in
required
It is an n element array
defined by in01 = z2ds[0, 1, *]
in02
in
required
It is an n element array
defined by in02 = z2ds[0, 2, *]
in10
in
required
It is an n element array
defined by in10 = z2ds[1, 0, *]
in11
in
required
It is an n element array
defined by in11 = z2ds[1, 1, *]
in12
in
required
It is an n element array
defined by in12 = z2ds[1, 2, *]
in20
in
required
It is an n element array
defined by in20 = z2ds[2, 0, *]
in21
in
required
It is an n element array
defined by in21 = z2ds[2, 1, *]
in22
in
required
It is an n element array
defined by in22 = z2ds[2, 2, *]
Examples
a=findgen(3,3,5)
print, determ3(a^2)
FOR i=0,4 DO print, determ((a[*,*,i])^2) ; IDL solution
Version history
Version
$Id: determ3.pro 157 2006-08-21 09:01:50Z navarro $
History
S. Masson (smasson@lodyc.jussieu.fr)
July 11th, 2002
Produced by IDLdoc 2.0 on Tue Aug 29 14:49:49 2006.