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C# Program to Illustrate Lower Triangular Matrix
For the lower triangular matrix, set all the elements above the main diagonal to zero.
Set the following condition −
if (i >= j)
Console.Write(A[i, j] + "\t");
else
Console.Write("0\t");Example
You can try to run the following code to display a lower triangular matrix.
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();
}
}Output
Enter number of rows and columns of the matrix Enter matrix elements: Lower Triangular Matrix
Updated on: 19-Jun-2020
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