08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：

) \8 {* k: H: A( J  ^4 ]- xmodel:
; {+ d" m4 D! x, r' i# `data:
F1=125957124000;
3 W6 W" V7 Q0 T: O" a5 YF2=1933151000;
F3=56972147000;
F4=92109757000;
F5=82509664000;
F6=36744586000;
: \* K( K" T2 n( rF7=37113047000;
9 W% u, g5 ^# J2 b, s3 q4 EN=19158000;
: H! m- ?4 [, H6 C% |9 j6 G!N=17388000;
E=0.398;
: a" O, l. V8 C, a# G3 K: v( O' Bp1=7174.7;
; @# G6 V8 [! `8 Zp2=33444;
3 Y% R( i2 j+ F8 t3 v! Sp2g=21001;
5 y7 y- |) ]7 W( np4=18268;
) `9 f0 k' k5 ]# c% ^0 T. mC1=0.25;
C2=0.2;
C3=0.2;
C4=0.15;
enddata

; y. d9 Y8 Q' Z. o# Gmax=0.25*x1/sf1*(F4+F6+N*x2)/FP
2 P* p  _/ B. i8 v8 ]2 ~, K' ]0 R+0.25*(1-E)*p1/(x1-x2)
+0.25*(sf1+sf2+sf3+x1)/(F4+F5+F6+F7)*N+x2
( A9 S3 q! o* I! u+0.25*(p2-p2g)/(x1-x2);
7 l! F+ x6 h( G$ V# o8 Y
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
  _, C* o% j/ l- E2 }! T: ux1<C2*p3;
% H* L; M7 D1 `. U8 Z6 K# px1-x2<C3*p4;
N*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
4 ]+ C" \9 ~0 z3 Y4 ~x2<C4*x1;

f=(F4+F5+F6+F7)/N+x2;
, ?  J7 ^; ?. K( {FP=(F4+F5+F6+F7)+N*x2;
p3=3.17*7174.7;
sf1=F1/N;
1 i( ~$ W: I" ~- _9 R, o  c5 Gsf2=F2/N;
sf3=F2/N;
' w" z) a! d' dend