expperm (version 0.1.0)

contractor: Contract a tridiagonal matrix

Description

An internal function employed by the BG method for computing the permanent.

Usage

contractor(A)

Arguments

A

A tridiagonal matrix of order n x n.

Value

A tridiagonal matrix of order (n-1) x (n-1) with the same permanent as A.

Examples

# NOT RUN {
data(A)
contractor(A)
# }