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          minF(X)=450*x1*x2+78.61* x3
  s.t.     4569600000*x1+129600*x3^2-8568*x1*(x2-50)*x3¡Ü0
         x1 *(x2-50)-500*x3¡Ü0
         360000*x3 -6545*x1* (x2-50)¡Ü0
         80000000-833*x1* (x2-50)¡Ü0
         x1>0, x2>0, x1¡Ý200,x3>0
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myfun.m:  function f =myfun(x)
                 f=450*x(1)*x(2)+78.61*x(3):

mycon.m:  function [c,ceq]=nonlconstr(x)
                  c=[4569600000*x(1)+129600*x(3)^2-8568*x(1)*(x(2)-50)*x(3);
                        x(1)*(x(2)-50)-500*x(3);
                       360000*x(3)-6545*x(1)*(x(2)-50);
                       80000000-833*x(1)*(x(2)-50)];
                    ceq=[];
´ò¿ªoptimization tool½çÃæ£¬Ñ¡Ôñ solver ga-genetic algorithm£¬ÌîÈëfitness function  @myfun £¬lower  [200 0 0]  ,   nonlinear constraint function @mycon  ,µã»÷¿ªÊ¼¡£½á¹ûÖ»µü´úÁË1´Î£¬½á¹ûÖÐ˵  no feasible point found¡£  final point µÃµ½µÄµãÒ²²»Âú×ãÔ¼ÊøÌõ¼þ¡£ÕâÊÇÔõô»ØÊ°¡£¿Õâ¸öÄ£ÐÍÓÅ»¯ÓÃÒÅ´«Ëã·¨ÔõôËã°¡£¿Çó´óÉñÃǰï°ïæ°¡£¡£¡£¡
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