R: Test Right Hand of tensor

testrightHAND {RFOC} | R Documentation

## Test Right Hand of tensor

### Description

Test Right Hand of tensor

### Usage

    testrightHAND(U)

### Arguments

`U` | 3 by 3 matrix

### Details

The fuction eigen does not always produce a right-handed eigenvector matrix. The code tests each cross product to see if it creates a right-hand system.

### Value

logical vector

### Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

### See Also

forcerighthand

### Examples

    Mtens <- c(-0.412, 0.084, 0.328 ,0.398, -1.239, 1.058)

    M1 <-  matrix(c(Mtens[1], Mtens[4], Mtens[5], Mtens[4],
    Mtens[2], Mtens[6], Mtens[5],Mtens[6],
    Mtens[3]), ncol=3, nrow=3, byrow=TRUE)

    E1 <-  eigen(M1)
    testrightHAND(E1$vectors)

[Package RFOC version 3.4-3 Index]