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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}}

• Follow-Ups:
  • Re: Problem with substitutions in SparseArray?
    • From: Andrzej Kozlowski <akoz@mimuw.edu.pl>