matrixcalc (version 1.0-3)

is.square.matrix: Test for square matrix

Description

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

Usage

is.square.matrix(x)

Arguments

x

a matrix

Value

TRUE or FALSE

References

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

Examples

# NOT RUN {
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 )
# }