problem.loadsecurevecs

Purpose

Allows the user to mark rows and columns in order to prevent the presolve removing these rows and columns from the problem.

Synopsis

problem.loadsecurevecs(mrow, mcol)

Arguments

mrow	Array containing the rows to be marked. May be None if not required.
mcol	Array containing the columns to be marked. May be None if not required.

Example

This sets the first six rows and the first four columns to not be removed during presolve.

p.read("myprob", "")
p.loadsecurevecs(mrow=[0,1,2,3,4,5], mcol=[0,1,2,3])
p.mipoptimize("")