穷举法举例

552433160

function l=fx000(n,m)
7 C. L4 ]) u) Sa=196.6;b=600;
/ {% R' H/ o0 {* `4 A+ Ij=10;f=200;K=1000;d=3000;
q=1/11400;
f2=0;f11=0;
' U3 L/ Q; x+ i- T0 D# b& lf1=(j*m+K)*(1-normcdf(m*n,b,a));
9 }! x4 s+ s; d1 B/ d4 |7 Afor k=1:1:m
# x3 I6 \  y' g$ z& b* R; d+ ~( S# Y    for i=1:1:n
7 w/ i* A( `6 T# |/ ^    i1(i)=i*normpdf((k-1)*n+i,b,a);
# L( `' s# V1 u5 \2 X3 {    f11=f11+i1(i);
    end
    f11;
    k1(k)=(j*k+d+f11/(normcdf(k*n,b,a)-normcdf((k-1)*n,b,a)))*(normcdf(k*n,b,a)-normcdf((k-1)*n,b,a));
- C- ^, Y$ H% n- W) i5 m$ s1 ^    f2=f2+k1(k);
end
f2;

fn=1125899906842624/5644425081792261*2^(1/2)*erf(1/2*2^(1/2)*(n*m-b)/a)*pi^(1/2)*n*m-1125899906842624/5644425081792261*2^(1/2)*erf(1/2*2^(1/2)*(n*m-b)/a)*pi^(1/2)*b+2251799813685248/5644425081792261*exp(-1/2*(n*m-b)^2/a^2)*a+1125899906842624/5644425081792261*erf(1/2*b/a*2^(1/2))*2^(1/2)*pi^(1/2)*n*m-1125899906842624/5644425081792261*erf(1/2*b/a*2^(1/2))*2^(1/2)*pi^(1/2)*b-2251799813685248/5644425081792261*exp(-1/2*b^2/a^2)*a;
f3=m*n-fn;
& Y0 F( {$ y+ ~* }. ql=(f1+f2)/f3;
l=1000;
) p5 A7 ]  b' k, q, r3 |u=0;
4 i' H- Z0 g$ t! ]0 ?for n=1:50
4 @8 v/ K/ Y& a. k7 z; ~; F2 q( w    for m=1:50   
- T6 m0 H! `* _. X" i* f) b6 q3 h             min=fx000(n,m);
5 K3 D) [7 s, L' Q$ G            if l>min
. f) x. B7 v  r( F' E                l=min;
                u(1)=n;u(2)=m;
           
- `+ w/ w* a" b. y            end
( Z% ?1 ^- s$ S( Z' {- [' ]4 b    end
4 u" _' k6 o1 C- rend
  N& d/ l. W' j2 ]( k# Il
u

una

我看不懂呢啊。。。。我要学习

wanlun

好程序，值得一读

dukaibing

1# 552433160    要是能有注释就好了，老大，注释一下吧。。。。3q

wangjian31791

支持啊   谢谢

何挺

????????????????????????????

wuhao2277

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炎炎

简练啊，好程序，拿去看看~~~~~~~

天之叶子

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