function tiaoxing(bochang,N,m,L,handles) I7t}$S6
global n &W&A88FfZU
global point &b2@+/ F
k=2*pi/bochang; GSH,;cY
a=m*1e+006; u~mpZ"9$ 3
deltax=2*a/point;%取单位长度 gb[.Ww
xx=-a:deltax:a; yWr&G@>G
L=L*1e+006; yHZ&5
nn=length(xx); %z"$?Iv
u=ones(1,nn); T ~p>Ed 9
jj=1:nn; l^$U~OB8k
for n=1:N %进行迭代 F:.8O ,%u
%uo#<Ny/ I
for b=1:nn 4=& d{.E
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... th0>u.hJ
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% -;i:bE
CL t(_!q
end aFh'KPhe
.Pux F
ma=max(uu);%归一化 gAsjkNt?
uu=uu./ma; ``kesz
u=uu; U-{3HHA
axes(handles.axes1); m]{/5L
plot(xx,abs(u)) yC!>7@m
axes(handles.axes2); 2{g&9
plot(xx,angle(u)) OXX D}-t
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 yDpv+6(a
End