[求助]非线性约束多元函数最小值问题
			 
			 
			
		
		
		
			
			非线性约束多元函数最小值出错 
m文件: 
function f=fun3(x) 
F = 1300; 
E = 2.06e+5; 
u=2; 
f=x(1)*x(2)^3/x(3)^3; 
约束: 
function [c,ceq]=confun(x): 
F = 1300; 
E = 2.06e+5; 
u=2; 
c=[46-u*x(3)/x(2)*sqrt(12);F-pi^2*E*x(1)*x(2)^3/12/(u*x(3))^2]; 
ceq=[]; 
命令: 
clear 
x0=[150,1.5,240]; 
A=[]; 
b=[]; 
Aeq=[];Beq=[]; 
lb=[100,1,10];ub=[390,2,500]; 
options=optimset('largescale','off'); 
[x,fval]=fmincon('fun3',x0,A,b,Aeq,Beq,lb,ub,'confun',options) 
请教各位大侠,我的程序问题出在哪里?如何修改?:cry: :ft:  
结果 
Optimization terminated successfully: 
 Search direction less than 2*options.TolX and 
  maximum constraint violation is less than options.TolCon 
Active Constraints: 
     5 
 
 
x = 
 
  237.3371    2.0000  130.8289 
 
 
fval = 
 
  8.4790e-004 
不知什么原因:ft:
		 
		
		
		
		
		
		
		
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