import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import java.util.function.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.math.*;
import java.time.Duration;
import org.ejml.data.*;
import org.ejml.dense.row.*;
import org.ejml.dense.row.decomposition.eig.*;

class main {


 // ejml-core
 // ejml-ddense





static DMatrixRMaj ejmlVectorToMatrix(double... vector) {
  int n = vector.length;
  var matrix = new DMatrixRMaj(n, 1);
  for (int i = 0; i < n; i++)
    matrix.set(i, 0, vector[i]);
  return matrix;
}}