forval i=.4(.05).9 {
2. forval j = .3(-0.05).2 {
3. forval m = .2(-0.01).1{
4. replace y=x1*`i'+x2*(1-`i'-`j'-`m')+x3*`m'+x4*`j' if `i'+`j'+`m'<1
5. replace k=`k'+1
6. replace w=!(y>0)
7. mat X=(`w',`i',1-`i'-`j'-`m',`m',`j')
8. mat X1=[X1\X]
9.
. }
10. }
11. }
(1 real change made)
(0 real changes made)
(1 real change made)
,.4 not found
r(111);
r(111);