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subscribing 3D arrays [message #17135] Thu, 16 September 1999 00:00 Go to previous message
Tom Wassenaar is currently offline  Tom Wassenaar
Messages: 15
Registered: August 1998
Junior Member
I can't figure out how to directly subscribe a group of individual cells
in one layer of a 3D array. Because of memory problems due to the array
size I do not want to create additional 2D arrays to be assigned later
on to layers of the 3D array.

To illustrate:

a = indgen(3,3)
a[[1,2],[2,1]] = 0
print, a

0 1 2
3 4 0
6 0 8

so 2 cells set to zero, but

b = indgen(3,3,3)
b[[1,2],[2,1],0] = 0
print, b[*,*,0]

0 1 2
3 0 0
6 0 0

so a square envelope of cells set to zero
Any suggestion ?

--

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Tom Wassenaar
INRA Science du Sol, 2 place Pierre Viala
34060 Montpellier Cedex 02, tel. +33 (0)499612764
fax +33(0)467632614, M�l : wassenaar@ensam.inra.fr
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