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 NO2( vE
A @2Bs 5F
程序如下 q*bt4,D&Es
^&Q< tN 7
clearclc <! F3s`7~
h=1000;N=100; ,:UX<6l
R
R=100;for i=2:101 )S*1C@
theata(i)=asin(sqrt((i-1)/N));end {~_ Y _-
theata(1)=0;for i=1:101 &n>7Ir
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) *C7F2o
end% r(1)=0; &iBNO,v
a=zeros(101,1);c=zeros(101,1); t"|DWC*
x=zeros(101,1);y=zeros(101,1); 45<y{8
a(1)=550;x(1)=-50; 9 I{/zKq
y(1)=0; G>K@AW #
e>AXXUEf
for i=2:100 k=2*a(i-1); pawl|Z'Ez
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))]; @PX\{6&
x(i)=XY(1); y(i)=XY(2); nxfoW y
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; Bd#
TUy
i x(i) < *wM=aq
y(i)end s$ z2 c
plot(x，y）
