function tiaoxing(bochang,N,m,L,handles) hwexv 9""
global n q6osRK*20
global point Muarryh}
k=2*pi/bochang; ^P]: etld9
a=m*1e+006; !FO92 P16
deltax=2*a/point;%取单位长度 {a>)VZw_#
xx=-a:deltax:a; >;HXH^q
L=L*1e+006; <@Ew-JU
nn=length(xx); oE5+
u=ones(1,nn); |px4a"
jj=1:nn; 3?fya8W<
for n=1:N %进行迭代 Q y15TJ
V @8X.R>
for b=1:nn CNP?i(Rk
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... |4dNi1{Zd
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% `UeF3~)>E
o6{XT.z5qx
end ,ll!19y
/ZD/!YD&R
ma=max(uu);%归一化 )TXn7{M:
uu=uu./ma; \)r#?qn4z;
u=uu; _)^(-}(_D
axes(handles.axes1); 6g$+ ))g
plot(xx,abs(u)) u,&Z5S
axes(handles.axes2); ?t<wp3bZ
plot(xx,angle(u)) CVu'uyy
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 >o(*jZ
End