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Question: efficient way to work out exterior products

Question:efficient way to work out exterior products

fredbel6 142
September 16 2012
0

Hello,

 

I am reading

http://www.maplesoft.com/support/help/Maple/view.aspx?path=tensor/exterior_prod

and I was wondering : what is the most efficient way to work out basic combinations of bivectors (or trivectors...)

 

Suppose for instance I have a 4-dimensional space with basis (e1,e2,e3,e4) and I would want to work out

(e_1 -e2+ e3) wedge (e_2-e_4),

 

how could I do this?

(I just think working with big tables with many zero entries is a bit over the top for my purposes)

 

Many thanks!
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