# isLinear -- check whether matrix entries have degree 1

## Synopsis

• Usage:
b = isLinear M
• Inputs:
• M, ,
• Outputs:
• b, ,

## Description

Note that a linear matrix, in this sense, can still have different target degrees (in which case the cokernel decomposes into a direct sum by generator degree.)

## Ways to use isLinear :

• "isLinear(Matrix)"

## For the programmer

The object isLinear is .