function tiaoxing(bochang,N,m,L,handles) "e3T;M+
global n 3Y;<Q>roT
global point P"Scs$NOU?
k=2*pi/bochang; jX9{Ki"
a=m*1e+006; (Xak;Xum1
deltax=2*a/point;%取单位长度 Mk3~%`
xx=-a:deltax:a; Qb N7sg~~
L=L*1e+006; lmsO
6=I4F
nn=length(xx); fGwRv%$^
u=ones(1,nn); / LH#
3
jj=1:nn; s(0S)l<
for n=1:N %进行迭代 7EfLd+
=do*(
for b=1:nn :jKiHeBQu?
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... 7Gos-_s
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% ;Dw6pmZ
Tz`O+fx&
end TKwMgC}<[
u|.c?fW'3
ma=max(uu);%归一化 o+wG69
uu=uu./ma; X\=m
u=uu; \68x]q[
axes(handles.axes1); qe/|u3I<lF
plot(xx,abs(u)) ]* #k|>Fl
axes(handles.axes2); F2N)|C<
plot(xx,angle(u)) !vrduOB
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 nEG+TRZ)\
End