# schreyerOrder(Module) -- obtain Schreyer order information

## Synopsis

• Function: schreyerOrder
• Usage:
schreyerOrder F
• Inputs:
• F, , a free module
• Outputs:
• , the zero matrix, if F is not equipped with a Schreyer order, otherwise a matrix with source F, such that the the monomial order on F is the one induced by this matrix.

## Description

For examples, see Schreyer orders, and schreyerOrder(Matrix).