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XPRSloadsecurevecs

XPRSloadsecurevecs

Purpose
Allows the user to mark rows and columns in order to prevent the presolve removing these rows and columns from the matrix.
Synopsis
int XPRS_CC XPRSloadsecurevecs(XPRSprob prob, int nr, int nc, const int mrow[], const int mcol[]);
Arguments
prob 
The current problem.
nr 
Number of rows to be marked.
nc 
Number of columns to be marked.
mrow 
Integer array of length nr containing the rows to be marked. May be NULL if not required.
mcol 
Integer array of length nc containing the columns to be marked. May be NULL if not required.
Example
This sets the first six rows and the first four columns to not be removed during presolve. 
int mrow[] = {0,1,2,3,4,5};
int mcol[] = {0,1,2,3};
...
XPRSreadprob(prob,"myprob","");
XPRSloadsecurevecs(prob,6,4,mrow,mcol);
XPRSmipoptimize(prob,"");
Related topics
Working with Presolve.

Parent Topic Console and Library Functions

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