SchurR {jack}

Evaluation of Schur polynomials

Description

Evaluates a Schur polynomial.

Usage

SchurR(x, lambda, algorithm = "DK")

Arguments

x

numeric or complex vector or bigq vector

lambda

an integer partition, given as a vector of decreasing integers

algorithm

the algorithm used, either "DK" (Demmel-Koev) or "naive"

Value

A numeric or complex scalar or a bigq rational number.

References

J. Demmel & P. Koev. Accurate and efficient evaluation of Schur and Jack functions. Mathematics of computations, vol. 75, n. 253, 223-229, 2005.

See Also

SchurPolR

Examples

x <- c(2,3,4)
SchurR(x, c(2,1,1))
prod(x) * sum(x)