./demo_l1.m
    Script that demos how to call the l1() function.

./l1.m
    Matlab function that performs the optimization.

./l1_cvx.m
    Matlab function that calls cvx to perform the optimization.
    A useful sanity check for l1().

Note: This software requires cvx to be installed:
    http://cvxr.com/cvx/

- Eric Kim (eric.kim.cs@gmail.com)

