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% min  -X
% s.t. SMF - SDMM <= 0
%      SMF + SDMM -0.97 = 0
%  X:ת»¯ÂÊ£»SDMM£ºDMMµÄÑ¡ÔñÐÔ£»SMF£»MFµÄÑ¡ÔñÐÔ£¬Ô­ÒªÇóÊÇSMF + SDMM >= 0.97
%  ÎªÁËʹÓÃfmincon º¯ÊýÓÐÒâ¸ÄΪSMF + SDMM = 0.97
%  ÇóÂú×ãDMMºÍMFÑ¡ÔñÐÔ×î´ó»¯µÄÌõ¼þÏ£¬Çóת»¯ÂʵÄ×î´óÖµ

%¼×´¼×ª»¯ÂÊ X= -4.7682 + 0.2588*x(0) + 1.3813*x(1) + 0.06462*x(2) - 1.15278*x(1)^2 - 0.00020257*x(2)^2
% DMMÑ¡ÔñÐÔ SDMM= 1.938 - 0.02633*x(2) +0.3125*x(0)*x(1)+0.01503*x(1)*x(2)-0.2844*x(1)*x(3)+0.002281*x(2)*x(3)
% MFÑ¡ÔñÐÔ  SMF= 6.4407-0.022557*x(2)  -0.5187*x(3) + 1.260*x(0)^2-1.1589*x(1)^2+0.2208*x(1)*x(3)

lb=[0.2; 0.2; 115; 4]
ub=[0.6; 0.9; 160; 9]
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