function tiaoxing(bochang,N,m,L,handles) G!oq
;<
global n RM-|?%
global point 42:\1B#[
k=2*pi/bochang; abWmPi
a=m*1e+006; on(F8%]zE
deltax=2*a/point;%取单位长度 G[r_|-^S
xx=-a:deltax:a; 57)S"
L=L*1e+006; ! k||-Q&
nn=length(xx); WhSQ>h!@s
u=ones(1,nn); w]UYD;f
jj=1:nn; +%6{>C+bZo
for n=1:N %进行迭代 $B*E k>EK
AGn:I??
for b=1:nn Gk8"fs
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... 5P
-IZ8~$
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% ]o_Z3xXUa
4/S4bk*8
end j.sxyW?3
R"Hhc(H
ma=max(uu);%归一化 a
=*(>=
uu=uu./ma; - P1OD)B
u=uu; "QA#
axes(handles.axes1); ~LuZpV
plot(xx,abs(u)) gf2l19aP
axes(handles.axes2); B1JdkL 3h
plot(xx,angle(u)) 3)zanoYHi
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 4!d&Zc>C4
End