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matrix indices

• To: mathgroup at smc.vnet.net
• Subject: [mg25293] matrix indices
• From: Roberto Brambilla <rlbrambilla at cesi.it>
• Date: Tue, 19 Sep 2000 03:45:15 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi, dear MG-friends
I have to build a matrix whose elements A[i,j] are the result
of a lengthly numerical computation.
To control the status of matrix implementation,
in the code, inside the loops, I put the obvious program line 

Print["i=",i,"  j=",j]

That's OK but, at the end, the notebook is filled of useless lines
to be erased by hand.
Any idea how to see indices i,j in a small window
(as in a gasoline pump), or at least
how to erase automatically the print-lines ?
Thank you in advance
Rob
Roberto Brambilla
CESI
Via Rubattino 54
20134 Milano
tel +39.2.2125.5875
fax +39.2.2125.610
rlbrambilla at cesi.it