chen183的专栏

 找到一个方向，最好能结合实际应用，又是最新的东西，还能促进以前没有的学习，一举数得。 http://www.acm.caltech.edu/l1magic/ 提供大牛的论文，都是经典，啃起来吃力啊。还有matlab程序，程序里还用到最优化里的梯度法、牛顿法等，好好学学。

 Given these 80 observed samples, the set of length-256 signals that have samples that match our observations is an affine subspace of dimension 256-80=176.  From the candidate signals in this set, we