Lingo 出错model:max=0.0043*X1+0.0027*X2+0.0025*X3+0.0022*X4+0.
Lingo 出错model:max=0.0043*X1+0.0027*X2+0.0025*X3+0.0022*X4+0.
lingo程序出错,MODEL:MAX=x1*y4+x2*y1+x3*y2+x4*y3;data:l,d=?;endda
lingo软件求教max=1/2*x1*x2*@sin(x4)+1/2*x2*x3*@sin(120-x4);x4>0;
lingo错误,model:max=0.487*(x1+y1)+0.53*(x2+y2)+0.613*(x3+y3)+0
怎样在lingo里表示目标函数max{min{x1,x2},min{x3,x4},min{x5,x6}}
线性规划模型 max z=(0.15*x1+0.26*x2+0.12*x3+0.19*x4)/(0.33*x1+0.62
若Max f(x)=x1*x2+x3+x4且约束条件x4=x1*x2,x2=x1+x3在MATLAB中编程
设实数x1,x2,x3,x4,x5均不小于1,且x1·x2·x3·x4·x5=729,则max{x1x2,x2x3,x3
从总体中提取x1,x2,x3,x4作为样本,Z=max(x1,x2,x3,x4)的概率密度是多少?
min= X1+X2+X3+X4+X5
X1+2X2-X3+X4=1
x1+x3+x4=7 x2+x3+x4=6 x2+x1+x4=8 x2+x1+x3=9 求x1 x2 x3 x4 是多少