R: Eigenvalue Function (Matlab Style)

eig {pracma} | R Documentation

## Eigenvalue Function (Matlab Style)

### Description

Eigenvalues of a matrix

### Usage

      eig(a)

### Arguments

`a` | real or complex square matrix

### Details

Computes the eigenvalues of a square matrix of real or complex numbers, using the R routine `eigen` without computing the eigenvectors.

### Value

Vector of eigenvalues

### See Also

`compan`

### Examples

      eig(matrix(c(1,-1,-1,1), 2, 2))   #=> 2 0
      eig(matrix(c(1,1,-1,1), 2, 2))    # complex values
      eig(matrix(c(0,1i,-1i,0), 2, 2))  # real values

[Package pracma version 2.0.4 Index]