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treatment on C[i]

• To: mathgroup at smc.vnet.net
• Subject: [mg100294] treatment on C[i]
• From: olfa <olfa.mraihi at yahoo.fr>
• Date: Sun, 31 May 2009 06:34:57 -0400 (EDT)

Hi mathematica community,
C[i] is the default form for the i th parameter or constant generated
by mathematica in representing the results of various symbolic
computations in such functions as DSolve, RSolve and Reduce.
My question is: is it possible to know in advance how many C[i]  will
be generated?
 If not how to represent the generic form of them: For example I have
an input with reduce and mathematica generates in the output C[1],C
[2],C[3] and C[4] so four C[i] in the solutions but before that when I
wrote the input I did not know that it will generate four C[i] and I
need to use something in the input that represent C[i] in general
without knowing how many of them will be generated? I have tried to
use the pattern object _  like that C[ _ ]  but it does not work.

Any suggestion?
Thank you very much.