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CompareHistogram.h

#include <LEDA/d_array.h>
#include <LEDA/graph_alg.h>

#define _STANDARD_
#define use_namespace
#include <newmatap.h>                // need matrix applications
#include <newmatio.h>                // need matrix output routines

#define Matrix NEWMAT::Matrix
#define ColumnVector NEWMAT::ColumnVector

using namespace leda;

double CompareHistograms(const SmartArray<double>, const SmartArray<double>,
                                const SmartArray<double>, const SmartArray<double>);


Matrix GetGraph(graph&, node_array <double>&, node_array <int>&,
                const SmartArray<double>, const SmartArray<double>);


double vector_dist( ColumnVector **v1, ColumnVector **v2 );

void normalize_weights( double weight[], int nv, double normed_weight[] );


void normalize_column_vectors( ColumnVector *mcol[], int nc,
                double normed_weight[], ColumnVector &mu, double &sigma );

double least_squares_estimation(
                d_array <int, ColumnVector *> &X, d_array <int, ColumnVector *> &Y,
                d_array <int, double> &normed_weight );

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