C# 程序说明下三角矩阵
对于下三角矩阵,将主对角线以上的元素全部设置为零。
设置以下条件 −
if (i >= j) Console.Write(A[i, j] + "\t"); else Console.Write("0\t");
示例
你可以尝试运行以下代码以显示一个下三角矩阵。
using System; using System.Linq; class Demo { static void Main() { int m, n, i, j; Console.Write("Enter number of rows and columns of the matrix "); m = Convert.ToInt16(Console.ReadLine()); n = Convert.ToInt16(Console.ReadLine()); int[,] A = new int[10, 10]; Console.Write("
Enter matrix elements: "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { A[i, j] = Convert.ToInt16(Console.ReadLine()); } } Console.Clear(); Console.WriteLine("
Lower Triangular Matrix "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(A[i, j] + "\t"); } Console.WriteLine(); } for (i = 0; i < m; i++) { Console.Write("
"); for (j = 0; j < 3; j++) { if (i >= j) Console.Write(A[i, j] + "\t"); else Console.Write("0\t"); } } Console.ReadLine(); } }
输出
Enter number of rows and columns of the matrix Enter matrix elements: Lower Triangular Matrix
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