The first assignment requires you to use an LP Solver. A page setting out various options in this regard is available here The assignment itself is available here.
The second assignment is due on February 16th. It is available here.
Solutions to The second assignment are available here.
The third assignment is due on March 15th It is available here.
Solutions to the third assignment are available here.
The third assignment is due on March 15th It is available here.
The fourth assignment is due on March 31st It is available here.
Solutions to The fourth assignment are available here.
The third assignment is due on March 15th It is available here. The fifth assignment is due on on April 14th is available here.