QisSurjective {RationalMatrix}

Check surjectivity

Description

Checks whether a rational matrix represents a surjective linear map.

Usage

QisSurjective(M)

Arguments

M

a matrix such that as.character(Mij) is a quoted integer or a quoted fraction for each entry Mij

Value

A Boolean value indicating whether the linear map corresponding to M is surjective.

Examples

library(RationalMatrix)
set.seed(666L)
M <- matrix(rpois(35L, 1), 7L, 5L)
QisSurjective(M)