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´íÎóÌáʾ£º ??? SWITCH expression must be a scalar or string constant. Error in ==> fmincon at 251 switch optimget(options,'Display',defaultopt,'fast') Error in ==> jie at 10 [x,FVAL]=fmincon('fun0',x0,A,b,Aeq,beq,vlb,vub);%Çó½â·ÇÏßÐԹ滮µÄº¯Êý£¨Çó×îСֵ£© ³ÌÐòÃüÁî function p=fun0(x) m=1; h=6; d=6; c=15;%20£¬40, 50, 60, 100 Q=pi/12;%0, 5, 10, 15, 20, 25, 30, 35 r=20; f1=[m/sin(x+Q)+(1+m)/sin(x-Q)]*cos(Q); f2=[(1+m)^2*cot(x-Q)-m^2*cot(x+Q)]*sin(x); p=(c*f1+0.5*r*d*f2)/cos(x); clear clc x0=[1]; A=[];%²»µÈÊ½Ô¼ÊøµÄ×ó¶ËϵÊý¾ØÕó£¨Ð¡ÓÚ£© b=[];%²»µÈÊ½Ô¼ÊøµÄÓҶ˳£ÊýÏî Aeq=[];%µÈÊ½Ô¼ÊøµÄ×ó¶ËϵÊý¾ØÕó beq=[];%µÈÊ½Ô¼ÊøµÄÓҶ˳£ÊýÏî vlb=[pi/12];%±äÁ¿µÄϽç vub=[pi/2];%±äÁ¿µÄÉϽç [x,FVAL]=fmincon('fun0',x0,A,b,Aeq,beq,vlb,vub);%Çó½â·ÇÏßÐԹ滮µÄº¯Êý£¨Çó×îСֵ£© %xΪҪÇóµÄ±äÁ¿µÄȡֵ %fvalΪĿ±êº¯ÊýµÄ×îÓÅÖµ |
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