[求助]matlab编程绘图，三角函数，菲涅尔 [复制链接]

程序有问题，在140.4、139.8、132等点处有异常值，请教一下大家怎么改，应该是Y=…那一步的式子有问题，谢谢 s%RG_"l  
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Y值为负的那几个点是异常值 vI,T1%llu  
$\M];S=CY  
clc ${gO=Z  
clear %joU}G;"  
close all _>8Q{N\- {  
nx = 0:0.6:150; 9n"MNedqH  
n = length(nx)-1; MT$)A:"  
figure SDVnyT  
xz = []; @rF|WT  
yz = []; tJ&tNSjTi  
for ii = 1:n o/oLL w  
    f=300; : LT'#Q8  
    h=150-nx(ii); Z#YNL-x  
    b=atan(h/f); MV07RjeS  
    d=(b/pi)*180 QX-n l~  
    syms c cS Qb3}a\  
   Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); xV=Tmu6l  
   C=double(Y);
~R50-O  
   e=(C/pi)*180; {<?8Y  
    x=0:0.1:0.6; Ys&)5j-  
    y=(0.6-x)*tan(C); yT~x7,  
    xz = [xz x+nx(ii)] H8 xhE~'t  
    yz = [yz y]; 4yjIR?  
    plot(xz,yz,'k-') J;4aghzY  
    hold on mkl^2V13~  
    pause(0.01) %Y>E  
end X; 6=WqJj  
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