1 Matrix3f A(3,3);
2 A << 1,2,3,  4,5,6,  7,8,10;
3 PartialPivLU<Matrix3f> luOfA(A); // compute LU decomposition of A
4 Vector3f b;
5 b << 3,3,4;
6 Vector3f x;
7 x = luOfA.solve(b);
8 cout << "The solution with right-hand side (3,3,4) is:" << endl;
9 cout << x << endl;
10 b << 1,1,1;
11 x = luOfA.solve(b);
12 cout << "The solution with right-hand side (1,1,1) is:" << endl;
13 cout << x << endl;
14