31 lines
1.1 KiB
C#
31 lines
1.1 KiB
C#
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using System;
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public class Exercise28
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{
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public static void Main()
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{
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int i,j;
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int[,] arr1 = new int[10,10];
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int det=0;
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Console.Write("\n\nCalculate the determinant of a 3 x 3 matrix :\n");
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Console.Write("-------------------------------------------------\n");
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Console.Write("Input elements in the matrix :\n");
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for(i=0; i<3; i++)
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{
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for(j=0; j<3; j++)
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{
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Console.Write("element - [{0}],[{1}] : ",i,j);
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arr1[i,j] = Convert.ToInt32(Console.ReadLine());
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}
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}
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Console.Write("The matrix is :\n");
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for(i=0; i<3; i++)
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{
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for(j=0; j<3 ; j++)
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Console.Write("{0} ",arr1[i,j]);
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Console.Write("\n");
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}
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for(i=0; i<3; i++)
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det = det + (arr1[0,i]*(arr1[1,(i+1)%3]*arr1[2,(i+2)%3] - arr1[1,(i+2)%3]*arr1[2,(i+1)%3]));
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Console.Write("\nThe Determinant of the matrix is: {0}\n\n",det);
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}
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}
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