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jack (version 6.1.0)

JackCombination: Symmetric polynomial in terms of Jack polynomials

Description

Expression of a symmetric polynomial as a linear combination of Jack polynomials.

Usage

JackCombination(qspray, alpha, which = "J", check = TRUE)

Value

A list defining the combination. Each element of this list is a list with two elements: coeff, which is a bigq number if

qspray is a qspray polynomial or a ratioOfQsprays if

qspray is a symbolicQspray polynomial, and the second element of the list is lambda, an integer partition; then this list corresponds to the term coeff * JackPol(n, lambda, alpha, which), where n is the number of variables in the symmetric polynomial

qspray.

Arguments

qspray

a qspray object or a symbolicQspray object defining a symmetric polynomial

alpha

Jack parameter, must be coercible to a bigq number

which

which Jack polynomials, "J", "P", "Q" or "C"

check

Boolean, whether to check the symmetry of qspray