数学建模论文：投资组合的收益和风险问题(21)

x21+x22+x23+x24+x25+x26+x27-0.14716*x11-0.15209*x12+x13+x14+x15+x16-g21<200000;

x31+x32+x33+x34+x35+x36+x38-0.18431*x21-0.18962*x22-0.14716*x11-0.15209*x12-b13*x13-b14*x14+x23+x24+x15+x16+x25+x26+x27-g31<200000;

x41+x42+x43+x44-0.1037*x31-0.18551*x32-0.18431*x21-0.18962*x22-0.14716*x11-0.15209*x12-b23*x23-b24*x24-b13*x13-b14*x14-b15*x15-b16*x16+x33+x34+x25+x26+x35+x36+x27+x38-g41<200000;

x51+x52-0.14449*x41-0.21065*x42-0.1037*x31-0.18551*x32-0.18431*x21-0.18962*x22-0.14716*x11-0.15209*x12-x33*b33-x34*b34-b23*x23-b24*x24-b13*x13-b14*x14-x25*b25-x26*b26-x15*b15-x16*b16+x43+x44+x35+x36+x27+x38-g51<200000; @gin(n1);@gin(n2);@gin(n3);

@free(b13);@free(b23);@free(b33);@free(b43); @free(b14);@free(b24);@free(b34);@free(b44); @free(b15);@free(b25);@free(b35);@free(b16); @free(b26);@free(b36);@free(b38);@free(b27); end

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