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MathGroup Archive 2005

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Problem with substitutions in SparseArray?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56824] Problem with substitutions in SparseArray?
  • From: Enrico Arrigoni <arrigoni at itp.tu-graz.ac.at>
  • Date: Sat, 7 May 2005 04:16:37 -0400 (EDT)
  • Organization: The Math Forum
  • Sender: owner-wri-mathgroup at wolfram.com

Substitutions don't seem to work in SparseArrays

try:

m = SparseArray[{{a,0},{0,0}}];
ms = m/.a->1.;
Normal[ms]

RESULT:

{{a, 0}, {0, 0}}


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