[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 'aWrjfD
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图片:})WX7H~ND~3OE[$Y(~WEX_R.png

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Y值为负的那几个点是异常值 Y<x;-8)*  
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clc i gyTvt!  
clear bv NXA*0  
close all Ih&rXQ$  
nx = 0:0.6:150; w$D&LA}(M  
n = length(nx)-1; _SW_I{fjr  
figure " hD6Z  
xz = []; P,QI-,  
yz = []; ,y>%m;jL  
for ii = 1:n H*gX90{!2  
    f=300; FLb Q#c\  
    h=150-nx(ii); L"_l(<g  
    b=atan(h/f); ( <Abw{BTm  
    d=(b/pi)*180 o_(@v2G`  
    syms c c2tf7fkH  
   Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); fcim4dfP  
   C=double(Y); Hv>16W$_  
   e=(C/pi)*180; ']
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    x=0:0.1:0.6; R
F#S=X6  
    y=(0.6-x)*tan(C); KKCzq |  
    xz = [xz x+nx(ii)] 7,.3'cCL^  
    yz = [yz y]; "-WEUz  
    plot(xz,yz,'k-') pPa3byWf  
    hold on cnm*&1EzV  
    pause(0.01) ^#V7\;v$G  
end &&Uc%vIN  
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