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