tensor.h File Reference

three-index tensor for containing information on R-parity violating couplings. Also contains linear algebra functions for interaction with matrices and vectors. More...

#include <iostream>
#include <cmath>
#include <fstream>
#include "linalg.h"

Go to the source code of this file.

Classes
class	Tensor
	Three-index tensor for containing information on RPV couplings. More...

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

Detailed Description

three-index tensor for containing information on R-parity violating couplings. Also contains linear algebra functions for interaction with matrices and vectors.

• Project: SOFTSUSY
• Author: Ben Allanach
• Manual: hep-ph/0104145, Comp. Phys. Comm. 143 (2002) 305
• Webpage: http://hepforge.cedar.ac.uk/softsusy/

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.