PolynomialUtils1.cpp
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1 #include <unsupported/Eigen/Polynomials>
2 #include <iostream>
3 
4 using namespace Eigen;
5 using namespace std;
6 
7 int main()
8 {
9  Vector4d roots = Vector4d::Random();
10  cout << "Roots: " << roots.transpose() << endl;
11  Eigen::Matrix<double,5,1> polynomial;
12  roots_to_monicPolynomial( roots, polynomial );
13  cout << "Polynomial: ";
14  for( int i=0; i<4; ++i ){ cout << polynomial[i] << ".x^" << i << "+ "; }
15  cout << polynomial[4] << ".x^4" << endl;
16  Vector4d evaluation;
17  for( int i=0; i<4; ++i ){
18  evaluation[i] = poly_eval( polynomial, roots[i] ); }
19  cout << "Evaluation of the polynomial at the roots: " << evaluation.transpose();
20 }
T poly_eval(const Polynomials &poly, const T &x)
Namespace containing all symbols from the Eigen library.
Definition: jet.h:637
Definition: Half.h:150
void roots_to_monicPolynomial(const RootVector &rv, Polynomial &poly)
int main()
The matrix class, also used for vectors and row-vectors.


gtsam
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autogenerated on Sat May 8 2021 02:43:27