l1 {cccp}  R Documentation 
This function minimizes a L1norm of the form P u  q_1,
whereby P is a (m \times n) matrix and q is a m
\times 1 vector. This function is wrapper function for invoking the
cps
method of Linear Programs.
l1(P, q = NULL, optctrl = ctrl())
P 

q 

optctrl 
An object of S4class 
An object of S4class Rcpp_CPS
.