EinsteinSum

(method of quaternion)

tensor multiplication according to Einstein summation

Description

This function computes a tensor product according to Einstein summation convention

Syntax

% sumation against dimension 1 and 2
C = EinsteinSum(E,[1 -1 2 -2],v,-1,v,-2)

Input

T1,T2

tensor

dimT1

vector of indices giving the summation order in tensor 1

dimT2

vector of indices giving the summation order in tensor 2

Output

q

quaternion

See also