数学系学术讲座(三十三、三十四)

 题目一：On Piecewise Sparse Signal Recovery内容简介：In some applications, there are signals with piecewise sparse structure to be recovered. Suppose that a vector  has  blocks, if each block  is a sparse vector with support set , then we say  is a piecewise sparse vector. Let , then  is denoted by -sparse vector. Denoted by , then  is also a global -sparse vect...

2024-07-03

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