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 |L%}@e
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程序如下 \W:~;GMeD
H!PMb{e
clearclc %zsY=qT
h=1000;N=100; 3V2dN)\
R=100;for i=2:101 !g=4\C`mY
theata(i)=asin(sqrt((i-1)/N));end 1<766
theata(1)=0;for i=1:101 v!~tX*q
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) )"KKBil0
end% r(1)=0; KFZ2%:6>
a=zeros(101,1);c=zeros(101,1); Pr|BhX
x=zeros(101,1);y=zeros(101,1); ^V,?n@c!
a(1)=550;x(1)=-50; oU"!"t
y(1)=0; >JVdL\3
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for i=2:100 k=2*a(i-1); #O<,
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))]; {Qv Whf
x(i)=XY(1); y(i)=XY(2); v%^"N_]
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; Z8 eB5!$
i x(i) T%q@jv{c
y(i)end wjEyU:
plot(x,y)