matrixcalc: is.square.matrix – R documentation

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is.square.matrix

Test for square matrix

The function returns TRUE if the argument is a square matrix and FALSE otherwise.

is.square.matrix(x)

x

a matrix

TRUE or FALSE

Frederick Novomestky fnovomes@poly.edu

Bellman, R. (1987). Matrix Analysis, Second edition, Classics in Applied Mathematics, Society for Industrial and Applied Mathematics.

A <- matrix( seq( 1, 12, 1 ), nrow=3, byrow=TRUE )
is.square.matrix( A )
B <- matrix( seq( 1, 16, 1 ), nrow=4, byrow=TRUE )
is.square.matrix( B )

Collection of functions for matrix calculations

v1.0-3

GPL (>= 2)

Authors

Frederick Novomestky <fnovomes@poly.edu>

Initial release

2012-09-12