08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：
# m9 g7 U+ ?/ {
% h* T! D  j/ k: o# x' s0 n& @* L& Zmodel:
data:
F1=125957124000;
F2=1933151000;
F3=56972147000;
F4=92109757000;
F5=82509664000;
F6=36744586000;
F7=37113047000;
3 M+ ?6 J- T0 y" x9 yN=19158000;
!N=17388000;
E=0.398;
p1=7174.7;
% _; n% T! L9 ~0 n; H% a! }p2=33444;
p2g=21001;
p4=18268;
C1=0.25;
C2=0.2;
C3=0.2;
3 @# \5 a5 e2 \' I) l5 ~C4=0.15;
' y2 e6 w% X, M7 [$ q' h+ genddata

3 C2 Q* v, g6 M9 emax=0.25*x1/sf1*(F4+F6+N*x2)/FP
+0.25*(1-E)*p1/(x1-x2)
+0.25*(sf1+sf2+sf3+x1)/(F4+F5+F6+F7)*N+x2
# ~' y; K. o; y- N+0.25*(p2-p2g)/(x1-x2);
9 Y% q! }; D  s( k
x1<C1*sf;   %此次的sf从哪里i来的。不是f吗，但是我换为f，程序就出现错误(可见附件
x1<C2*p3;
x1-x2<C3*p4;
5 q5 I7 _9 B* ~. |7 N0 @N*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
6 u, J' x& M" G( Q& v1 T2 K; O, {x2<C4*x1;
) j: E6 F4 D- `( e1 y1 H2 H2 L
, `. X, n7 N  K5 g6 J4 ef=(F4+F5+F6+F7)/N+x2;
FP=(F4+F5+F6+F7)+N*x2;
7 _1 P" ]1 w) Np3=3.17*7174.7;
sf1=F1/N;
6 }( C8 b/ M1 o4 c* L% X- ksf2=F2/N;
sf3=F2/N;
4 F0 Y- a3 K8 h5 u' Send