| 15524608156 |
2022-01-23 10:47 |
matlab编程绘图，三角函数，菲涅尔
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 <jxTI%'f59
[attachment=110608] !.9NJ2'8
Y值为负的那几个点是异常值 )jn xR${M
&7;W =uF
clc aaLT%
clear 3^8%/5$v
close all {4
*ob@w*
nx = 0:0.6:150; qPWYY
n = length(nx)-1; Jcm" i ~
figure 0rF{"HM~
xz = []; I"r*p?
yz = []; Tc{r}y[)
for ii = 1:n zg[ksny
f=300; r6"t`M
h=150-nx(ii); gV A$ P
b=atan(h/f); X mLH Z,/
d=(b/pi)*180 Tf` ~=fg%
syms c 7GpSW M6
Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); 8$S$*[-a
C=double(Y); `*N2x\+X
e=(C/pi)*180; =xg pr*
x=0:0.1:0.6; xCGvLvFn
y=(0.6-x)*tan(C); e:&5Cvx
xz = [xz x+nx(ii)] =Bl#CE)X
yz = [yz y]; 7|*|xLrV Y
plot(xz,yz,'k-') rT <=`9^{
hold on j$BM$q/c
pause(0.01) VDBP]LRF
end AS ~O*(po
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>$k_tC' "
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