Can anyone advise on the following :(adsbygoogle = window.adsbygoogle || []).push({});

Complete the square for this expression :

(theta)*i Bij (theta)j +(theta)*i(eta)i +(eta)*i(theta)i

where theta and eta are Grassmann variables and Bij an NxN matrix

with indices i,j=1,...,N.

Many thanks

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# Grassmann Variables

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