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MathGroup Archive 2009

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Matrices with square brackets

  • To: mathgroup at smc.vnet.net
  • Subject: [mg102578] Matrices with square brackets
  • From: cca at gregosetroianos.mat.br
  • Date: Sat, 15 Aug 2009 05:33:27 -0400 (EDT)

According to MathWorld, "in the general literature, they [matrices] are
more commonly delimited using parentheses". Anyway, from time to time I am
asked about how to use matrices with square brackets in Mathematica. It
happened again some days ago. It is an embarassing situation. As always, I
sent a solution using $PreRead, $PrePrint and box manipulation. But due to
its complexity and unnaturalness for a beginner (or even to a "power
user"), I now think that we should have a better, easier and more robust
way to do this (maybe as an option to MatrixForm).

Carlos C=E9sar de Ara=FAjo
Gregos & Troianos Educacional
www.gregosetroianos.mat.br
Belo Horizonte, MG, Brasil
(31) 3283-1122


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