vene
/ sparse_multiclass_numba.py
Last active
August 29, 2015 14:04
— forked from mblondel/sparse_multiclass_numba.py
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| """ | |
| (C) August 2013, Mathieu Blondel | |
| # License: BSD 3 clause | |
| Custom group support by Vlad Niculae (vlad@vene.ro) | |
| This is a Numba-based reimplementation of the block coordinate descent solver | |
| (without line search) described in the paper: | |
| Block Coordinate Descent Algorithms for Large-scale Sparse Multiclass |
vene
/ lbfgs_nnls.py
Last active
December 10, 2015 11:48
— forked from mblondel/lbfgs_nnls.py
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # (C) Mathieu Blondel 2012 | |
| import numpy as np | |
| from scipy.optimize import fmin_l_bfgs_b | |
| from sklearn.base import BaseEstimator, RegressorMixin | |
| from sklearn.utils.extmath import safe_sparse_dot | |
| class LbfgsNNLS(BaseEstimator, RegressorMixin): |