hellerTompkins {deducorrect}

Determine if a matrix is totally unimodular using Heller and Tompkins criterium.

Description

This function is deducorrect internal

Usage

hellerTompkins(A)

Arguments

A

An object of class matrix in \{-1,0,1\}^{m\times n}. Each column must have exactly 2 nonzero elements. (This is tested by isTotallyUnimodular).

Value

TRUE if matrix is unimodular, otherwise FALSE

See Also

isTotallyUnimodular