sample3_1.cs

使用C#编辑的一些矩阵运算的源程序

/*
 * 示例程序Sample3_1: Matrix类的基本用法
 */

using System;
using CSharpAlgorithm.Algorithm;

namespace CSharpAlgorithm.Sample
{
	class Class1
	{
		[STAThread]
		static void Main(string[] args)
		{
            // 矩阵数据
            double[] mtxData1 = {
                                    1,  3, -2,  0,  4,
                                    -2, -1,  5, -7,  2,
                                    0,  8,  4,  1, -5,
                                    3, -3,  2, -4,  1};
            double[] mtxData2 = {
                                    4,  2, -7,  0,  3,
                                    9,  6,  1,  8, -2,
                                    -4,  7,  2, -5,  5,
                                    9, -8,  3,  6,  5};

            // 构造矩阵
            Matrix mtx1 = new Matrix(4, 5, mtxData1);
            Matrix mtx2 = new Matrix(4, 5, mtxData2);
            Matrix mtx3 = new Matrix(4, 5, mtxData1);
		
            // 显示结果
            Console.WriteLine("mtx1 = ");
            Console.WriteLine(mtx1);
            Console.WriteLine("\nmtx2 = ");
            Console.WriteLine(mtx2);
            Console.WriteLine("\nmtx3 = ");
            Console.WriteLine(mtx3);
            Console.WriteLine("\nmtx1的第2个列向量为（" + mtx1.ToStringCol(1, ",") + ")");
		
            // 比较
            if (mtx1.Equals(mtx2))
                Console.WriteLine("\nmtx1 = mtx2");
            else
                Console.WriteLine("\nmtx1 != mtx2");
			
            if (mtx1.Equals(mtx3))
                Console.WriteLine("\nmtx1 = mtx3");
            else
                Console.WriteLine("\nmtx1 != mtx3");
        }
	}
}