MathGroup Archive 2001

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Placeholders in matrix notation

  • To: mathgroup at
  • Subject: [mg29892] Placeholders in matrix notation
  • From: dooglefish at aol.communicate (Douglas F.)
  • Date: Tue, 17 Jul 2001 01:00:37 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

I want to use the partial differential operator in matrix algebra. The function
it operates on would be in another matrix. 

Here, I am using "d" to represent the partial operator

[d   0] . Transpose[  f[x]|   g[x]  ]

But Mathematica won't let me do the matrix multiplication. How do you do that?


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