Re: matrix manipulation
- To: mathgroup at smc.vnet.net
- Subject: [mg132409] Re: matrix manipulation
- From: "Harker, Anthony" <a.harker at ucl.ac.uk>
- Date: Mon, 10 Mar 2014 04:39:33 -0400 (EDT)
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- References: <20140308074331.2B3106A1D@smc.vnet.net>
Do I see elasticity theory? cc = Table[Subscript[C, k, j][i], {k, 1, 6}, {j, 1, 6}] ccsym=cc /. Subscript[C, k_, j_] /; k > j -> Subscript[C, j, k] Tony ]-> -----Original Message----- ]-> From: dimanag78 at gmail.com [mailto:dimanag78 at gmail.com] ]-> Sent: 08 March 2014 07:44 ]-> To: mathgroup at smc.vnet.net ]-> Subject: matrix manipulation ]-> ]-> Hello to all. ]-> ]-> I have the following 6x6 matrix ]-> ]-> Table[Subscript[C, k, j][i], {k, 1, 6}, {j, 1, 6}] ]-> ]-> I want this matrix to be symmetric, that is, Subscript[C, k, j][i] = Subscript[C, ]-> j, k][i] for j != k. ]-> ]-> In other words I want the matrix ]-> ]-> {{Subscript[C, 1, 1][i], Subscript[C, 1, 2][i], Subscript[C, 1, 3][i], ]-> Subscript[C, 1, 4][i], Subscript[C, 1, 5][i], ]-> Subscript[C, 1, 6][i]}, {Subscript[C, 1, 2][i], ]-> Subscript[C, 2, 2][i], Subscript[C, 2, 3][i], Subscript[C, 2, 4][i], ]-> Subscript[C, 2, 5][i], ]-> Subscript[C, 2, 6][i]}, {Subscript[C, 1, 3][i], ]-> Subscript[C, 2, 3][i], Subscript[C, 3, 3][i], Subscript[C, 3, 4][i], ]-> Subscript[C, 3, 5][i], ]-> Subscript[C, 3, 6][i]}, {Subscript[C, 1, 4][i], ]-> Subscript[C, 2, 4][i], Subscript[C, 3, 4][i], Subscript[C, 4, 4][i], ]-> Subscript[C, 4, 5][i], ]-> Subscript[C, 4, 6][i]}, {Subscript[C, 1, 5][i], ]-> Subscript[C, 2, 5][i], Subscript[C, 3, 5][i], Subscript[C, 4, 5][i], ]-> Subscript[C, 5, 5][i], ]-> Subscript[C, 5, 6][i]}, {Subscript[C, 1, 6][i], ]-> Subscript[C, 2, 6][i], Subscript[C, 3, 6][i], Subscript[C, 4, 6][i], ]-> Subscript[C, 5, 6][i], Subscript[C, 6, 6][i]}} ]-> ]-> ]-> Thank you very much, in advance, for yor help. ]->
- References:
- matrix manipulation
- From: dimanag78@gmail.com
- matrix manipulation