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#include <iostream>
#include <stdlib.h>
#include <glpk.h>
#include <armadillo>
using namespace std;
using namespace arma;

void linprog1(arma::Mat<double>& A_sp, arma::Col<double>& b,
I have...

Your new code still has issues:


void linprog1(arma::Mat<double> B, arma::Col<double> f, arma::Col<double> OBJ)
You're passing these parameters by value. This is not optimal, or even correct....

Not surprising. A lot of errors become magically eliminated once a vector is used -- the memory leaks clear up, and the hard-to-maintain pointers also become a moot point.

The only thing that...

Your code is very poorly formatted, making it very hard to read. There are a lot of mistakes in that function that is giving you problems, so I will go through them.


int* ia = new int[1+rowsb];...