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GMM.h
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GMM.h
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#include <iostream>
#include <stdio.h>
#include <math.h>
#include <vector>
#include <Eigen/Dense>
#include <Eigen/Eigenvalues>
using namespace std;
using Eigen::MatrixXd;
using Eigen::VectorXd;
using Eigen::VectorXcd;
using Eigen::MatrixXcd;
class Cluster
{
public:
Cluster(int dimension);
void update(void);
int dimension;
double pi;
VectorXd mean;
MatrixXd cov;
VectorXcd eigval;
MatrixXcd eigvec;
};
class GMM
{
public:
GMM(int n_clust, int dim);
~GMM(void);
void reset(void);
void iterate(void);
vector<Cluster> clusters;
void setSamples(vector<VectorXd> *samples);
void setDefaultClusters();
vector<VectorXd> *points;
private:
int n_cluster;
int dimension;
vector<Cluster> default_clusters;
};
double getRandomNormal(void);