For thoes who are late or absent for today's tutorial:

1. You are asked to hand in the answer to the questions INDIVIDUALLY by 12:00, Friday this week.  Email to: ruoli@mech.kth.se

2. For homework4, You need to prepare data first to match OpenSim standard Coordinates. Instructions can be found in today's handout and more detail information can be found in OpenSim user's guide chapter 23.