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Re: Matrix-Multiplication w NonCommutative Entries?
Hi, use Inner instead of Dot because: Inner[f,list1,list2,g] is a generalization of Dot in which f plays the role of multiplication and g of addition. Regards Jens Thomas wrote: > Hi there, > I want to multiply matrices with quaternionic entries in Mathematica. Dot (.) uses normal multiplication (*) for the entries. I need to change this to NonCommutativeMultiply (**) Then this would work with the Quaternions package. > Does anybody know, how to do this? > > Thanks a lot, > > Thomas >