function?y=block_meas（xR）;??????????%x為需要分塊進行觀測的矩陣，R是觀測矩陣

[mn]=size（x）;
m1=m/2;

obs_meas=R;
X1=x（1:m1:）;?????????????????????%將原來的圖像矩陣分成兩個矩陣
X2=x（（m1+1）:m:）;

y1=obs_meas*X1?????????????????%對X1進行觀測
y2=obs_meas*X2??????????????????%對X2進行觀測

y=[y1;y2];

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1506??2011-11-01?19:48??CS_OMP.m
?????文件?????????315??2011-11-01?21:26??block_meas.m
?????文件??????????82??2011-11-01?21:33??block_omp.m
?????文件???????66614??2011-11-01?19:48??lena.bmp
?????文件?????????356??2012-05-08?15:52??matrix2vector.m
?????文件????????1435??2012-08-17?09:29??t1.m
?????文件?????????384??2012-05-08?15:54??vector2matrix.m
?????文件????????1768??2012-08-17?09:07??CS.m