ToBeReviewed/CALCULS/
determ2.pro
computes the determinant of n 2 by 2 arrays Z2DS is an 2*2*n array
determ2
Without loop
result = determ2(a, b, c, d)
Return value
n elements array, the determinent of each 2*2 arrrays
Parameters
a
in
required
n element array
Defined as z2ds[0, 0, *] = z1d00
b
in
required
n element array
Defined as z2ds[0, 1, *] = z1d01
c
in
required
n element array
Defined as z2ds[1, 0, *] = z1d10
d
in
required
n element array
Defined as z2ds[1, 1, *] = z1d11
Examples
IDL> a=findgen(2,2,5)
IDL> print, determ2(a)
IDL> FOR i=0,4 DO print, determ(a[*,*,i])
Version history
Version
$Id: determ2.pro 371 2008-08-07 09:32:02Z pinsard $
History
S. Masson (smasson@lodyc.jussieu.fr)
July 11th, 2002
Produced by IDLdoc 2.0.
