% decision subfunction


function u=dynfun1_1(k,x)
 
% at stage k to use the stage variant x to get the corresponding decision variants value
% here get all stage x and its correspond decision variants value

if x==1
   u=[2,3];
  elseif x==2
     u=[4;5;6];
  elseif x==3
     u=[5;6;7];
  elseif(x==4)|(x==5)
     u=[8;9];
  elseif(x==6)|(x==7)
     u=[9;10];
  elseif x==8
     u=[11;12];
  elseif(x==9)|(x==10)
     u=[12;13];
  elseif(x==11)|(x==12)|(x==13)
     u=[14;15];
  elseif(x==14)|(x==15)
     u=16;
  elseif x==16
     u=16;
end