row and column
newton method and fixes
LeastMeanSquare written by Songtao
Before merge
Merge pull request #2 from GuoSongtao/master

Least Squares
test.cpp
Bug fixes
update
con
Header file
before merge
merged
about setup.py
Merge pull request #3 from GuoSongtao/master

python interface
BFGS done
fix conflicts
change the type of files
delete files
ADMM
ADMM