Low level interface function to the COIN-OR Clp function
Clp_modifyCoefficient. Consult the COIN-OR Clp
documentation for more detailed information.
modifyCoefficientCLP(lp, i, j, el, keepZero = TRUE)An object of class "'>clpPtr" as returned by
initProbCLP. This is basically a pointer to a COIN-OR Clp
problem object.
Row index (starts with 0).
Column index (starts with 0).
Coefficient to set.
If set to TRUE, keep zeroes.
NULL
Interface to the C function modifyCoefficient which calls
the COIN-OR Clp function Clp_modifyCoefficient.
The COIN-OR Clp home page at https://projects.coin-or.org/Clp