08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：

model:
% D8 x0 h  f4 Gdata:
F1=125957124000;
F2=1933151000;
F3=56972147000;
F4=92109757000;
% b( e; P3 w2 @2 P# y$ CF5=82509664000;
F6=36744586000;
8 P. o; R) G/ C: ZF7=37113047000;
N=19158000;
. x; p- @$ }# }: O' @!N=17388000;
6 P  L8 [0 ?" dE=0.398;
" q6 B; Z" E) g# z: q' Q7 e: T4 rp1=7174.7;
p2=33444;
- T+ `/ w: _' \p2g=21001;
p4=18268;
C1=0.25;
5 S1 \1 E1 V4 h3 f3 WC2=0.2;
6 a' V7 H' O& P8 uC3=0.2;
* _4 D. o) e$ ?+ S) BC4=0.15;
enddata
, I; [) ?3 s: o- p3 U
8 S3 z9 X6 |9 b, F: smax=0.25*x1/sf1*(F4+F6+N*x2)/FP
+0.25*(1-E)*p1/(x1-x2)
2 v0 M% c) z0 j) h' A+0.25*(sf1+sf2+sf3+x1)/(F4+F5+F6+F7)*N+x2
+0.25*(p2-p2g)/(x1-x2);
. @* w+ }" P3 \% E
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;
0 b5 `, Z8 r. Y0 Xx1-x2<C3*p4;
1 n3 A4 G! N- T( A% YN*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
% @* u& K; b4 D/ l' Dx2<C4*x1;

f=(F4+F5+F6+F7)/N+x2;
FP=(F4+F5+F6+F7)+N*x2;
p3=3.17*7174.7;
$ o" j$ E, H# ^, H4 Dsf1=F1/N;
sf2=F2/N;
sf3=F2/N;
9 T0 n, Q5 z) H2 y4 |4 b1 yend