46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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#include<stdio.h>
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void solution( int a[][20], int var );
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int main()
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{
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int a[ 20 ][ 20 ], var, i, j, k, l, n;
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printf( "\nEnter the number of variables:\n" );
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scanf( "%d", &var );
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for ( i = 0; i < var; i++ )
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{
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printf( "\nEnter the equation%d:\n", i + 1 );
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for ( j = 0; j < var; j++ )
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{
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printf( "Enter the coefficient of x%d:\n", j + 1 );
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scanf( "%d", &a[ i ][ j ] );
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}
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printf( "\nEnter the constant:\n" );
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scanf( "%d", &a[ i ][ var] );
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}
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solution( a, var );
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return 0;
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}
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void solution( int a[ 20 ][ 20 ], int var )
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{
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int k, i, l, j;
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for ( k = 0; k < var; k++ )
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{
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for ( i = 0; i <= var; i++ )
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{
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l = a[ i ][ k ];
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for ( j = 0; j <= var; j++ )
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{
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if ( i != k )
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a[i][j] = (a[k][k]*a[i][j])-(l*a[k][j]);
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}
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}
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}
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printf( "\nSolutions:" );
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for ( i = 0; i < var; i++ )
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{
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printf( "\nTHE VALUE OF x%d IS %f\n", i + 1, ( float ) a[ i ][ var ] / ( float ) a[ i ][ i ] );
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}
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}
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