# MatrixExp

Package for calculations and simplifications of expressions with Dirac matrices (MatrixExp). This paper describes a package for calculations of expressions with Dirac matrices. Advantages over existing similar packages are described. MatrixExp package is intended for simplification of complex expressions involving $gamma$-matrices, providing such tools as automatic Feynman parameterization, integration in $d$-dimensional space, sorting and grouping of results in a given order. Also, in comparison with the existing similar package Tracer, the presented package MatrixExp has more enhanced input possibility. User-available functions of MatrixExp package are described in detail. Also an example of calculation of Feynman diagram for process $b ightarrow sgamma g$ with application of functions of { t MatrixExp} package is presented.

## Keywords for this software

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## References in zbMATH (referenced in 1 article )

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