| 敬天帅 |
2017-01-03 13:31 |
关于配焦椭流线法的matlab编程实现问题
求前辈指点迷津，感觉椭流线表达式有问题，又不知道哪里不对 ]cFqKs
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< f8F
程序如下 &!m;s_gi
u[ "Pg
clearclc +loD{
h=1000;N=100; mp !6MO Q
R=100;for i=2:101 @S<=Okrlj
theata(i)=asin(sqrt((i-1)/N));end ~ #@sZ0/<
theata(1)=0;for i=1:101 1R1J/Z*V/
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) kS3wa3bT
end% r(1)=0; QT^W 00 h
a=zeros(101,1);c=zeros(101,1); W=]QTx,J
x=zeros(101,1);y=zeros(101,1); " c}pY ^(
a(1)=550;x(1)=-50; 3 uhwoE
y(1)=0; /]iv9e{uh(
[%z~0\lu8
for i=2:100 k=2*a(i-1); 9C3q4.$D
F=[h,r(i-1)/2-r(i)/2]; XY=((k^2-norm(F)^2)/(2*k-2*norm(F)*cos(pi-theata(i))))*[cos(pi-theata(i)),sin(theata(i))]; >8 o RO
x(i)=XY(1); y(i)=XY(2); u;;]S!:M
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 7S 1
Y)
i x(i) EKq9m=Ua@o
y(i)end
`q%Z/!}
plot(x，y）
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