Add incomplete homework 8 solution
Add missing tex file for homework 8 solution
Fix whitespace and line wrap hw8soln
Fix quotations, display of vectors
Fix definition of x1 in hw8soln
Add result for problem 3 in hw8soln
Remove code for cart animation in hw8soln
Add labels to axle force figure

Add x and y labels and legend for forces on cart axle of hw 8.4. Add eps
file for generation of latex file.
Add hyperref package, solution for hw 8.4

Add hyperref package to homework solution 8 tex file. Add solution for
problem 4, parts a through d. Solution for 4d is incomplete and does
include calculation of constraint forces and listings simulate_cart.m
and cart_equationsofmotion.m are missing necessary changes to problem 4.