统一平方距离矩阵c#

using System;

class Program
{
    static double CalculateDistance(double[] vector1, double[] vector2)
    {
        double distance = 0.0;
        for (int i = 0; i < vector1.Length; i++)
        {
            distance += Math.Pow(vector1[i] - vector2[i], 2);
        }
        return distance;
    }

    static double[,] CalculateDistanceMatrix(double[][] samples)
    {
        int n = samples.Length;
        double[,] distanceMatrix = new double[n, n];
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                distanceMatrix[i, j] = CalculateDistance(samples[i], samples[j]);
            }
        }
        return distanceMatrix;
    }

    static void Main()
    {
        double[][] samples = new double[][]
        {
            new double[] { 1.0, 2.0, 3.0 },
            new double[] { 4.0, 5.0, 6.0 },
            new double[] { 7.0, 8.0, 9.0 }
        };

        double[,] distanceMatrix = CalculateDistanceMatrix(samples);

        // 输出距离矩阵
        for (int i = 0; i < distanceMatrix.GetLength(0); i++)
        {
            for (int j = 0; j < distanceMatrix.GetLength(1); j++)
            {
                Console.Write(distanceMatrix[i, j] + " ");
            }
            Console.WriteLine();
        }
    }
}