Tensor Contraction

*To*: mathgroup at smc.vnet.net*Subject*: [mg113779] Tensor Contraction*From*: Sensei <sensei.wa at apple.me.com>*Date*: Fri, 12 Nov 2010 05:27:27 -0500 (EST)

Hi! I am trying to implement cleanly the tensor contraction. What I'd like to do is something like this. Let A = matrix of A^{ijk} be a 3-tensor, now how do I write something like C^{ik} = A^{ijk} v_j using the summing notation? I am trying to avoid making simple For cycles... Thanks & Cheers! -- Sensei <Sensei's e-mail is at Me-dot-com> Basic research is what I am doing when I don't know what I am doing. (Wernher von Braun)