function?u_fine=interpolate（u_coarse）
%Copyright@Peng?Yj?NWPU2016.3.3
%由粗網(wǎng)格延拓到細(xì)網(wǎng)格，采用線性插值算子
%將下一層近似解的修正量插值到上一層

%輸入項：u_coarse（粗網(wǎng)格列向量）
%輸出項：u_fine（密網(wǎng)格列向量）

%示例如下：
%下一層共9個點，首尾函數(shù)值已知，去除，共7個點
%上一層共17個點，首尾函數(shù)值已知，去除，共15個點
%下一層首尾的修正量為0

%???1????1____1____1____1____1____1____1____1____1____1____1____1____1____1____1????1
%???????/?\???|???/?\???|???/?\???|???/?\???|???/?\???|???/?\???|???/?\???|???/?\
%????0?/???\??|??/???\??|??/???\??|1?/???\?1|??/???\??|??/???\??|??/???\??|??/???\
%?????/?????\?|?/?????\?|?/?????\?|?/?????\?|?/?????\?|?/?????\?|?/?????\?|?/????0\
%????/??1/2??\|/???????\|/???????\|/??1/2??\|/???????\|/???????\|/???????\|/???????\
%???1?????????1_________1_________1_________1_________1_________1_________1?????????1??????????
%
u_coarse_size=size（u_coarse1）;?????%粗網(wǎng)格向量的長度，則細(xì)網(wǎng)格向量的長度為2*u_coarse_size+1
u_fine（11）=u_coarse（11）/2;??%首項
u_fine（2*u_coarse_size+11）=u_coarse（u_coarse_size1）/2;??%尾項

for?i=1:u_coarse_size
????u_fine（2*i1）=u_coarse（i1）;??%偶數(shù)項
end
for?i=3:2:2*u_coarse_size-1
????u_fine（i1）=u_coarse（（i-1）/21）/2+u_coarse（（i+1）/21）/2;??%奇數(shù)項（除首尾項外）
end
end

?屬性????????????大小?????日期????時間???名稱
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?????文件???????1277??2016-03-04?19:20??多重網(wǎng)格法實例及matlab程序\interpolate.m

?????文件???????7041??2016-03-04?19:10??多重網(wǎng)格法實例及matlab程序\main.m

?????文件?????186114??2016-03-04?19:27??多重網(wǎng)格法實例及matlab程序\Readme.pdf

?????文件???????1080??2016-03-04?19:21??多重網(wǎng)格法實例及matlab程序\restrict.m

?????文件????????594??2016-03-03?15:21??多重網(wǎng)格法實例及matlab程序\SOR.m

?????目錄??????????0??2016-03-04?19:28??多重網(wǎng)格法實例及matlab程序

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???????????????196106????????????????????6