tensor.cpp File Reference

#include "tensor.h"

Functions
ostream &	operator<< (ostream &left, const Tensor &T)
Tensor	outerProduct (const DoubleVector &V, const DoubleMatrix &M, int l)
DoubleMatrix	matrixify (const Tensor &A, const Tensor &B)
	\( M_{ij} = A^{ikl} B^{jlk} \)
DoubleMatrix	sumProd (const Tensor &A, const Tensor &B)
Tensor	operator* (double f, const Tensor &M)
	Multiplies all matrices in tensor by a double.
Tensor	operator* (const DoubleMatrix &M, const Tensor &T)
	\( T^{kij} = M_{il} T^{klj} \)

Detailed Description

• Project: SOFTSUSY
• Author: Ben Allanach
• Manual: hep-ph/0104145, Comp. Phys. Comm. 143 (2002) 305
• Webpage: http://hepforge.cedar.ac.uk/softsusy/
• Description: tensor class - 3 index objects encoded as matrices

Function Documentation

outerProduct()

Tensor outerProduct	(	const DoubleVector &	V,
		const DoubleMatrix &	M,
		int	l
	)

Make a tensor out of a vector and a matrix. l labels the position the vector index goes in. After that, indices are cyclic.