matrix.hpp

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#ifndef __MATRIX__
#define __MATRIX__
 
#include <armadillo>
 
arma::mat create_tridiagonal(
    const arma::vec& a, 
    const arma::vec& d, 
    const arma::vec& e);
 
arma::mat create_tridiagonal(int n, double a, double d, double e);
 
arma::mat create_symmetric_tridiagonal(int n, double a, double d);
 
double max_offdiag_symmetric(arma::mat& A, int& k, int& l);
 
#endif