优化算法：
ADMM：
https://blog.csdn.net/angel_yj/article/details/40587543
https://blog.csdn.net/jbb0523/article/details/52134630
http://web.stanford.edu/~boyd/papers/admm/
3358 Mull over.me/2016/01/19/admm-for-distributed-statistical-learning /
3359 blog.csdn.net/shanglianlm/article/details/46805675
3359 blog.csdn.net/weixin _ 41923961/article/details/8372234
拉格朗日乘子
33559 www.cn blogs.com/SD Dai/p/5728195.html
FISTA:
压缩感知重构算法的迭代软阈值(IST )https://blog.csdn.net/jbb0523/article/details/52163690
3358 www.Sina.com/https://blog.csdn.net/jbb 0523/article/details/52103257
软阈值(Soft Thresholding)函数解读
FISTA:
https://github.com/tiepvupsu/fista