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 ~? FrI
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程序如下 O})u'
:O'C:n<g
clearclc W^d4/]
h=1000;N=100; B#k3"vk#
R=100;for i=2:101 5
2@udp
theata(i)=asin(sqrt((i-1)/N));end ZA_zKJ[[7
theata(1)=0;for i=1:101 %V <F<
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) ^0x.'G?
end% r(1)=0; /pIb@:Y1?
a=zeros(101,1);c=zeros(101,1); ICl_ eb
x=zeros(101,1);y=zeros(101,1); N?=qEX|R
a(1)=550;x(1)=-50; x<*IF,o
y(1)=0; '/u:,ar
`b.o&t$L
for i=2:100 k=2*a(i-1); b1+hr(kMRM
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))]; @W1WReK]f
x(i)=XY(1); y(i)=XY(2); A
eGG
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; !M]%8NTt2
i x(i) (Q@+v<
y(i)end .kbr?N,'
plot(x,y)