08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：

model:
: L0 w: v" n3 E! \$ ldata:
F1=125957124000;
F2=1933151000;
F3=56972147000;
F4=92109757000;
. }$ c5 K9 k1 B+ T+ uF5=82509664000;
- I7 R4 v) J% zF6=36744586000;
F7=37113047000;
# n7 {  ?! n; b- H; EN=19158000;
!N=17388000;
5 u- T+ E- [6 tE=0.398;
p1=7174.7;
( Q% C) E3 O+ G, C8 ^p2=33444;
8 `# A; w7 A1 Y+ g. O0 Hp2g=21001;
p4=18268;
C1=0.25;
* p* F$ Q: d8 A& d& WC2=0.2;
C3=0.2;
- I" t, Q, J- }2 }0 WC4=0.15;
% s- `: D1 a4 I9 N/ I& Aenddata

& \+ {; v3 Z' G( K1 Cmax=0.25*x1/sf1*(F4+F6+N*x2)/FP
+0.25*(1-E)*p1/(x1-x2)
: d" E$ B" o4 {- Z8 n+0.25*(sf1+sf2+sf3+x1)/(F4+F5+F6+F7)*N+x2
. g/ e2 \" _0 g2 {, ?  A+0.25*(p2-p2g)/(x1-x2);
5 j; y7 r" I+ F$ t5 ?: Q, x9 V% h
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;
4 }: n& a$ W$ k' g( Y( o* Ox1-x2<C3*p4;
N*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
7 A6 ^+ a0 T* s4 F) ]0 Sx2<C4*x1;
2 G, z& h; V7 {( u% E' A% ]0 y) W
f=(F4+F5+F6+F7)/N+x2;
FP=(F4+F5+F6+F7)+N*x2;
p3=3.17*7174.7;
sf1=F1/N;
7 {+ d3 B3 `, [! e  Rsf2=F2/N;
: K, }: q, j- Y1 N* g4 I3 Usf3=F2/N;
end