08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：
. _  \: b7 _0 Z
model:
5 Z* ~2 G  p4 I- gdata:
$ `. x, t" N( q5 r; W- qF1=125957124000;
F2=1933151000;
8 r4 p- f" @6 x/ Y7 Q. X% R2 [" ^, nF3=56972147000;
F4=92109757000;
$ \" V/ P2 L% p3 L# k* aF5=82509664000;
F6=36744586000;
F7=37113047000;
N=19158000;
!N=17388000;
E=0.398;
/ G+ |8 Y  X& s- P$ Q& X* @p1=7174.7;
9 y* f) K' E3 K0 \" Bp2=33444;
p2g=21001;
p4=18268;
C1=0.25;
, s6 B5 e: C' @) X! i& B5 GC2=0.2;
8 N* L& k! O: nC3=0.2;
C4=0.15;
% F! t( U! ~; W6 Z+ ~& Senddata
5 T: M! _2 i0 F9 |# M" a+ a
max=0.25*x1/sf1*(F4+F6+N*x2)/FP
  {; L6 m7 O0 R7 ~& ^+0.25*(1-E)*p1/(x1-x2)
+0.25*(sf1+sf2+sf3+x1)/(F4+F5+F6+F7)*N+x2
$ a: f# M* Y4 o5 J( @" g8 o+0.25*(p2-p2g)/(x1-x2);

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
0 R# u8 I2 A8 E5 Tx1<C2*p3;
! N* E' u0 o( N0 g) c, [x1-x2<C3*p4;
0 c! O5 v' e0 g- l& XN*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
2 y6 |) g; J# O& E/ E8 yx2<C4*x1;

, `1 S+ i" P8 r- {, @6 Z. c# P4 Jf=(F4+F5+F6+F7)/N+x2;
FP=(F4+F5+F6+F7)+N*x2;
p3=3.17*7174.7;
' G/ O+ N: l! H, H/ @4 `sf1=F1/N;
5 ^' P% ^3 p$ ?sf2=F2/N;
sf3=F2/N;
end