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MathGroup Archive 2011

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Re: Matrices as operators

  • To: mathgroup at smc.vnet.net
  • Subject: [mg123027] Re: Matrices as operators
  • From: Simon <simonjtyler at gmail.com>
  • Date: Mon, 21 Nov 2011 04:26:12 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <jaal4e$12d$1@smc.vnet.net>
  • Reply-to: comp.soft-sys.math.mathematica at googlegroups.com

You could use a pure function:

{{Cos@#, -Sin@#}, {Sin@#, Cos@#}}&[i]
returns
{{Cos[i], -Sin[i]}, {Sin[i], Cos[i]}}



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