using System;

namespace Science.Mathematics.LinearAlgebra
{
    public class PositiveDefiniteMatrix : SymmetricMatrix
    {
        public PositiveDefiniteMatrix(double[,] x)
            : base(x)
        {
        }
        public bool Check()
        {
            this.Diagonalize();
            for(int i = 0; i < this.Eigenvalue.Length; i++)
                if( this.Eigenvalue[i] < 0.0) return false;
            return true;
        }
    }
}