Description Usage Arguments Value Note Author(s) Examples

vech takes the upper diagonal from a symmetric matrix and vectorizes it.

1 | ```
vech(x)
``` |

`x` |
a symmetric matrix. |

A vector with the components of the upper diagonal from the matrix, listed by row.

For internal use.

Clecio Ferreira, Diego Gallardo and Camila Zeller.

1 2 3 4 5 6 |

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