08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：
* M/ d4 [; s5 r( ^
# Z/ Y/ B: p4 s1 c5 T* K# ^" Ymodel:
data:
( Q! n# y1 h2 R/ I; wF1=125957124000;
F2=1933151000;
. o  e. A; M- G$ H+ t" MF3=56972147000;
* G( o3 g' b0 Y" Y3 jF4=92109757000;
F5=82509664000;
F6=36744586000;
F7=37113047000;
- Q% V+ F9 ]2 m/ \N=19158000;
' @9 R5 {, `# E) t!N=17388000;
E=0.398;
p1=7174.7;
, P. c0 S' w5 N4 M- \( L- wp2=33444;
$ g9 a1 h6 c2 A5 l$ t' m" _6 ?# {p2g=21001;
" q' h& }/ r3 d4 @# Lp4=18268;
" x7 B( T: x+ a3 j% b# b# WC1=0.25;
C2=0.2;
C3=0.2;
C4=0.15;
enddata

5 I# G3 m2 y/ ]& k/ r+ A2 fmax=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
+0.25*(p2-p2g)/(x1-x2);
: ^$ U& K2 ^% v- L8 J, F
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;
, ~3 ~9 i, E: j' ]x1-x2<C3*p4;
N*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
x2<C4*x1;

8 i0 Y  z) g4 N6 v3 ^  L( Mf=(F4+F5+F6+F7)/N+x2;
0 i) `# \8 f: R# B' _0 V) }FP=(F4+F5+F6+F7)+N*x2;
p3=3.17*7174.7;
5 D& c9 B0 {3 V# H2 Dsf1=F1/N;
/ w% v8 Q5 U" ~( p  }* Osf2=F2/N;
sf3=F2/N;
end