schubertCodim -- compute the codimension (i.e., height) of a Schubert determinantal ideal or ASM ideal

Usage:

schubertCodim w

schubertCodim A
Inputs:
- w, a list, or A is a Matrix

Description

Given a partial alternating sign matrix or a permutation in 1-line notation, outputs the codimension of the corresponding alternating sign matrix ideal or Schubert determinantal ideal.

i1 : schubertCodim matrix{{0,0,0,1},{0,1,0,0},{1,-1,1,0},{0,1,0,0}}

o1 = 5

i2 : schubertCodim {1,3,2}

o2 = 1

Ways to use schubertCodim:

schubertCodim(List)
schubertCodim(Matrix)

For the programmer

The object schubertCodim is a method function.

The source of this document is in /__w/M2/M2/macaulay2-1.26.05+ds/M2/Macaulay2/packages/MatrixSchubert/MatrixSchubertInvariantsDOC.m2:57:0.