Matrix maths within an elementwise calculation.

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Craig Tollerton
Craig Tollerton 2016-6-15
评论： KSSV 2016-6-15
Hi all, So my problem is I want to create two matrices for example
M1 = [a b
c d]
M2 = [e f
g h]
and all the elements are 2-component spinors e.g.
a = [s p].
Then I want to perform an elementwise calculation of the matrices (I understand .*) but need to apply matrix multiplication between the elements. So I want the following result matrix;
[a.e b.f
c.g d.h].
(More specifically there will be a transformation in between such that I actually want a*^T.[0 1;1 0].e, but I don't this this will change the solution. Any help would be greatly appreciated.
Craig

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回答（1 个）

KSSV
KSSV 2016-6-15
For multiplication you have to use M1.*M2...and for the other part you have to be bit more clear...
  2 个评论
Craig Tollerton
Craig Tollerton 2016-6-15
the second part is the difficulty I am having. Each element of the original matrices I need to be 2x1 matrices themselves. When they multiply it needs to be by standard matrix algebra not elementwise.

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