最近在用matlab做相干合成的数值模拟，在画图的时候遇到些问题，不知哪位高手能指点一下，多谢~ 'c(Y")QP
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这个程序是计算远场光场中主瓣的能量，然后将主瓣能量和f的值画成散点图，最后画图步骤总是报错. zGz'2, o3
clear; Nh/ArugP5P
lam=500e-9;N1=4;N2=4; Pm;*Jv%
a=2e-4;z=5; bJ!f,a '/
k=2*3.14/lam;omega=0.00025; 0 3 $
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xm=0.4*lam*z/a;ym=0.4*lam*z/a; ` ^k<.O
n=5; \1 D,Kx;Cb
syms thetax; '6 J$X-
d=linspace(0,1,n); eG>Fn6G<g
for i=1:n sn`?Foh
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ...,
C)} LV
*exp(-0.5*k.^2*omega.^2*thetax.^2); ([o:_5/8I
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); 5{aQ4H>~tx
Br1=I/16; _'dy$.g
f(i,:)=2*omega/d(i); pR>QIZq<gT
vpa(Br1,5) [N+ru c?)
end \ jdO,-(
plotmatrix(f,Br1)
