دترمینان ماتریس n*n

[narnia-m]

سلام.دترمینان ماتریس n*n رو می خواستم کسی برنامشو داره؟؟؟بهم بده.زبان C یاC++فرقی نمی کنه.

 

[پیرجو]

سلام.دترمینان ماتریس n*n رو می خواستم کسی برنامشو داره؟؟؟بهم بده.زبان C یاC++فرقی نمی کنه.

#include "iostream.h"
#include "conio.h"
int calc(int [],int dim);
void revmatrix( int [],int dim);
void main()


    {
    	int matrix[1000] = {NULL};
    	int dim,temp;
    	double leftsum,rightsum;	
    cout<<"\n\n\n"<<"		PLEASE ENTER MATRIX DIMANTION : ";
    cin>>dim;
    cout<<"\n\n\n";
    for( int i = 0;i<( dim*dim );i ++ )


        {
        cout<<"ENTER ELEMAN : ";
        cin>>temp;
        matrix[i] = temp;
        cout<<"\n";
        clrscr();
        cout<<"		PLEASE ENTER MATRIX DIMANTION : "<<dim;
        cout<<"\n\n\n";
    }//for i

    if ( dim > 2 )


        {
        	leftsum = calc( matrix , dim );
        	cout<<"LEFTSUM of the matrix = "<< leftsum <<"\n\n";
        	revmatrix( matrix , dim );
        	rightsum = calc( matrix ,dim );
        	cout<<"RIGHTSUM of the matrix = "<< rightsum <<"\n\n\n\n\n\n" ;
        	cout<<"	 ( DETERMINAN OF THE MATRIX = "<< leftsum - rightsum<<" )";
    }

    else


        {
        cout<<"	 ( DETERMINAN OF THE MATRIX = "<<(matrix[0] * matrix[3] - matrix[1] * matrix[2])<<" )";
    }

    getch();
}//end main

/////////////////calc function//////////

int calc( int matrix[ ], int dim )


    {
    int sum = 0, bul, x = 1;
    for( int l = 0; l<( dim*dim );l += ( dim+1 ) )//ghotr asli
    x *= matrix[l];
    sum = x;
    x = 1;
    for( int c = 1;c<dim;c ++ )


        {
        bul=c;
        for( int m = 0;m<dim;m ++ )


            {
            if( ( bul+1 )%dim != 0 )


                {
                		x *= matrix[bul];
                		bul +=( dim + 1 );
            }

            else


                {
                		x = x * matrix[bul];
                		bul += 1;
            }

        }//for m

        sum += x;
        x = 1;
    }//for c

    return sum;
}

////////////////////revmatriv determinan
///////////////////
void revmatrix(int matrix[ ],int dim)


    {
    int end,temp,counter;
    	for( int t = dim-1;t <= dim*dim;t = t + dim )


        {
        end=t;
        counter = end -( dim-1 );
        while( end > counter )


            {
            temp = matrix[end];
            matrix[end] = matrix[counter];
            matrix[counter] = temp;
            ++ counter;
            -- end;
        }

    }

}