matrixcalc: vec – R documentation

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vec

Vectorize a matrix

This function returns a column vector that is a stack of the columns of x, an m by n matrix.

vec(x)

x

a matrix

A matrix with m\;n rows and one column.

Frederick Novomestky fnovomes@poly.edu

Magnus, J. R. and H. Neudecker (1999) Matrix Differential Calculus with Applications in Statistics and Econometrics, Second Edition, John Wiley.

x <- matrix( seq( 1, 16, 1 ), nrow=4, byrow=TRUE )
print( x )
vecx <- vec( x )
print( vecx )

Collection of functions for matrix calculations

v1.0-3

GPL (>= 2)

Authors

Frederick Novomestky <fnovomes@poly.edu>

Initial release

2012-09-12