# schubertClass -- Compute a Schubert class

## Synopsis

• Usage:
schubertClass i
schubertClass I
schubertClass(i,A)
schubertClass(I,A)
schubertClass' i
• Inputs:

## Description

This function computes a Schubert class with label i (a string made of characters from "0" to "d" where d is the number of steps of the flag variety) or list of labels I in a K-theory ring A previously built using setupCotangent. If A is not specified, then the ring that was defined last is used. The primed classes are dual classes.

## For the programmer

The object schubertClass is .