急求：请问fmincon优化函数中非线性约束

xqq123

请问一下各位高手，如果函数中有很多非线性约束应该怎么表示啊
比如：x（1）*x（2）-x（3）=0
          x（4）*x（5）-x（6）=0
谢谢啊！急啊！请知道的帮帮忙吧！

hanihaoma

看 help fmincon 里面很清楚

ChaChing

copy from matlab help

nonlcon
The function that computes the nonlinear inequality constraints c(x)<= 0 and the nonlinear equality constraints ceq(x) = 0. The function nonlcon accepts a vector x and returns two vectors c and ceq. The vector c contains the nonlinear inequalities evaluated at x, and ceq contains the nonlinear equalities evaluated at x. The function nonlcon can be specified as a function handle.
x = fmincon(@myfun,x0,A,b,Aeq,beq,lb,ub,@mycon)
where mycon is a MATLAB function such as
function [c,ceq] = mycon(x)
c = ...     % Compute nonlinear inequalities at x.
ceq = ...   % Compute nonlinear equalities at x