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MathGroup Archive 2009

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Re: how to keep multiplication sign "*" ( Please)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97580] Re: how to keep multiplication sign "*" ( Please)
  • From: Raffy <raffy at mac.com>
  • Date: Mon, 16 Mar 2009 04:23:14 -0500 (EST)
  • References: <gpil8l$571$1@smc.vnet.net>

On Mar 15, 3:28 am, Volkan <visb... at gmail.com> wrote:
> How can I keep the multiplication sign in a symbolic calculation
> output such as:
>
> Sum[A[i][j] *B[i][j], {i, 1, 2}, {j, 1, 2}]
>
> gives
> A[1][1] B[1][1] + A[1][2] B[1][2] + A[2][1] B[2][1] + A[2][2] B[2][2]
>
> but what I want is it should seem like
>
> A[1][1] *B[1][1] + A[1][2] *B[1][2] + A[2][1] *B[2][1] + A[2][2] *B[2]
> [2]
>
> Is this possible? Please help about this...
>
> thanks

Sum[A[i][j]*B[i][j], {i, 1, 2}, {j, 1, 2}] // InputForm


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