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 89@89-_mC
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C1T033 r
程序如下 mw`%xID*
#0L:h?L
clearclc 7esG$sVj(
h=1000;N=100; w]) bQ7)
R=100;for i=2:101 !hFb<
theata(i)=asin(sqrt((i-1)/N));end E] t:_v
theata(1)=0;for i=1:101 +]CKu$,8
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) & HphE2 h
end% r(1)=0; ,h5.Si>
a=zeros(101,1);c=zeros(101,1); QD<^VY6
x=zeros(101,1);y=zeros(101,1); 0c7&J?"wE
a(1)=550;x(1)=-50; P}&7G-
y(1)=0; N!"GwH
1w+&Y;d|
for i=2:100 k=2*a(i-1); h:#
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))]; m3 (fr
x(i)=XY(1); y(i)=XY(2); [4Glt>Nj>
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; /n?5J`6
i x(i) zG@9-s* L
y(i)end @'R4zJ&+S
plot(x,y)