bool Gauss(double A[6][6], double B[6], int N, double X[6]){
if(Math::Abs(A[N][N]) <=1E-7){
	MessageBox::Show("Система вирождена");
	return false;
}

for(int i = 1; i<=N-1; i++){
	int k = i;
	R = Math::Abs(A[i][i]);
	for(int j = i+1; j<=N; j++){
		if(Math::Abs(A[j][i])>R){
			k = j;
			R = Math::Abs(A[j][i]);
		}
		else continue;
	}
	if(R<=1E-7){
	MessageBox::Show("Система вирождена");
	return false;
}else {
	if(k!=i) {
		R = B[k];
		B[k] = B[i];
		B[i] = R;
		for(int j = i; j<=N; j++){
			R = A[k][j];
			A[k][j] = A[i][j];
			A[i][j] = R;
		}

	}else continue;
	    R = A[i][i];
		B[i] = B[i]/R;
		for(int j = 1;j<=N;j++){
            A[i][j] = A[i][j]/R;
		}
		for(int k = i+1;k<=N;k++){
			R = A[k][i];
			B[k]  =  B[k]-R*B[i];
			A[k][i] = 0;
			for(int j = i+1; j<=N;j++){
				A[k][j] = A[k][j]-R*A[i][j];
			}
		}

	}
}
if(Math::Abs(A[N][N]) <=1E-7){
	MessageBox::Show("Система вирождена");
	return false;
}else{
	X[N] = B[N]/A[N][N];
	for(int i = N-1;i>=1;i--){
		R=B[i];
		for(int j = i+1;j<=N;j++){
			R= R-A[i][j]*X[j];
		}
		X[i] = R;
	}
}
return true;
}