最近在用matlab做相干合成的數(shù)值模擬，在畫圖的時(shí)候遇到些問題，不知哪位高手能指點(diǎn)一下，多謝~ qS|VUy4  
+GU16+w~E  
這個(gè)程序是計(jì)算遠(yuǎn)場(chǎng)光場(chǎng)中主瓣的能量，然后將主瓣能量和f的值畫成散點(diǎn)圖，最后畫圖步驟總是報(bào)錯(cuò). T}[vfIJD  
clear; ""^BW Re D  
lam=500e-9;N1=4;N2=4; Dt.Wb&V_w  
a=2e-4;z=5; ;hJ*u  
k=2*3.14/lam;omega=0.00025; J|24I4  
xm=0.4*lam*z/a;ym=0.4*lam*z/a; hp4(f W  
n=5; ie5ijkxZ(  
syms thetax; ;i:wY&  
d=linspace(0,1,n); 3+5\xRq  
for i=1:n gDNW~?/  
    B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., 2kq@*}ys  
        *exp(-0.5*k.^2*omega.^2*thetax.^2); E(_I3mftm  
    I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); eE%yo3  
    Br1=I/16; neFno5d