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clc
clear?all
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%假設某種水泥在凝固時所釋放的熱量與水泥中的四種成分x1x2x3x4有關，一共有13組觀測數據，最小二乘法進行回歸?
%求得x1x2x3x4與y之間的關系
x=[726660;%輸入數據
1291552;
1156820;
1131847;
752633;
1155922;
371176;
1312244;
2541822;
2147426;
1402334;
1166912;
1068812];
y=[78.574.3104.387.695.9109.2102.772.593.1115.983.8113.3109.4];%輸出數據
y=y.‘;
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[selxselyindexnr]=lasso（xy）

?屬性????????????大小?????日期????時間???名稱
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?????文件????????692??2010-01-21?10:21??嶺回歸\lhgdyzjc.m

?????文件???????1379??2010-01-21?10:21??嶺回歸\linghuiguic.m

?????目錄??????????0??2010-01-21?10:19??嶺回歸

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?????????????????2071????????????????????3