Find the solution(s) of this linear system:Ax=yWhere:A=​120​240​123​​,y=​483​​Tip: Solve the problem using the concept of RANK of matrices and discuss how many solutions the system has.
Exercise 2: Grasping
(a) Describe what you know about internal forces. What are they? Why are they important?
(b) Given the simple 3D grasp: And assuming a hard finger contact model at each contact, compute the subspace of internal forces.
Exercise 3: Haptics
(a) Describe the concept of transparency.
(b) Compute it in terms of impedance and transfer function.