%?CS?example?1
%?Sensing?matrix?phi?i?s?random?.
%?R?e?p?r?e?s?e?n?t?a?t?i?o?n?b?a?s?i?s?Psi?i?s?t?h?e?c?a?n?o?n?i?c?a?l?b?a?s?i?s?.
%?Recovering?u?s?i?n?g?l?1?magic?.

clc
clear?all
close?all

n?=?512;?%?S?i?g?n?a?l?l?e?n?g?t?h
s?=?25;?%?S?p?a?r?s?i?t?y?l?e?v?e?l
m?=?5*?s?;?%?Number?o?f?measurements

f?=?get_sparse_fun?（n??s?）?;
A?=?get_A_random?（n?m）?;

y?=?A*?f?;?%?Take?t?h?e?measurements

%?S?o?l?v?e?u?s?i?n?g?l?1?magic?.
path（?path??‘?./?Optimization?‘?）?;
x0?=?pinv（A）*y?;?%?initial?guess?=?min?energy?偽逆矩陣
tic
xp?=?l1eq_pd?（x0A[?]y1e-3）;
%xp?=?l1eq_pd（x0?A?At?b?pdtol?pdmaxiter?cgtol?cgmaxiter）
toc

%?%?S?o?l?v?e?u?s?i?n?g?CVX.
%?cvx_begin?quiet
%?variable?xp（n）?;
%?minimize?（norm（xp1?）?）?;
%?subject?to
%?A?*?xp?==?y?;
%?cvx_end
figure

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????????64??2015-11-06?18:52??get_A_random.m
?????文件?????????120??2015-11-06?18:52??get_sparse_fun.m
?????文件????????5370??2009-11-07?20:56??l1eq_pd.m
?????文件????????3130??2015-11-06?16:36??yasuoganzhi_helloword.m
?????文件?????????911??2015-12-02?15:50??example.m