modifyCoefficientCLP: Change matrix coefficients

Description Usage Arguments Details Value Author(s) References

View source: R/clpAPI.R

Description

Low level interface function to the COIN-OR Clp function Clp_modifyCoefficient. Consult the COIN-OR Clp documentation for more detailed information.

Usage

1
  modifyCoefficientCLP(lp, i, j, el, keepZero = TRUE)

Arguments

lp

An object of class "clpPtr" as returned by initProbCLP. This is basically a pointer to a COIN-OR Clp problem object.

i

Row index (starts with 0).

j

Column index (starts with 0).

el

Coefficient to set.

keepZero

If set to TRUE, keep zeroes.

Details

Interface to the C function modifyCoefficient which calls the COIN-OR Clp function Clp_modifyCoefficient.

Value

NULL

Author(s)

Gabriel Gelius-Dietrich <geliudie@uni-duesseldorf.de>

Maintainer: Mayo Roettger <mayo.roettger@hhu.de>

References

The COIN-OR Clp home page at https://projects.coin-or.org/Clp


clpAPI documentation built on Aug. 10, 2020, 5:08 p.m.