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多路徑匹配追蹤深度優先(MMP-DF),包含深度優先程序代碼,方便理解該算法的原子搜索方式

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代碼片段和文件信息

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%?Estimate?the?sparse?signal?x?using?MMP-DF
%
%?y :?observation
%?Phi :?Sensing?matrix
%?K :?Sparsity
%?L :?Selection?length
%?stop_threshold:?Selection?length
%?max_itr :?Selection?length
%
% Output?parameters
%?x_mmp_est :?estimated?signal
%?x_supp :?selected?support?vector?indice.
%?candiate_idx :?iteration?count?during?estimating
%
%?Written?by?Suhyuk?(Seokbeop)?Kwon
%?Information?System?Lab.?Korea?Univ.
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function?[x_mmp_est?x_supp?candiate_idx]?=?islsp_EstMMP_BF_reuse(y?Phi?K?L?stop_threshold?max_itr)


[nRows?nCols] =?size(Phi);

x_mmp_est =?zeros(nCols?1);

node_header ={ ‘supps‘...
‘x_h‘...
‘residu‘...
‘prev_inv

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