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 YTY%#"
^>~dlS
程序如下 X=qS"O 1
a
ib}`l
clearclc &J"YsY
h=1000;N=100; 2]jPv0u
R=100;for i=2:101 UPCQs",
theata(i)=asin(sqrt((i-1)/N));end i8V0Ty4~N
theata(1)=0;for i=1:101 1q~LA[6
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) /rF8@l
end% r(1)=0; !awh*Xj6
a=zeros(101,1);c=zeros(101,1); UFZ"C,
x=zeros(101,1);y=zeros(101,1); F 1|zXg)
a(1)=550;x(1)=-50; z<C[nR$N
y(1)=0; >.dHt\
;?9A(q_Z
for i=2:100 k=2*a(i-1); f==*"?6\
F=[h,r(i-1)/2-r(i)/2]; XY=((k^2-norm(F)^2)/(2*k-2*norm(F)*cos(pi-theata(i))))*[cos(pi-theata(i)),sin(theata(i))]; oo'w-\2]p
x(i)=XY(1); y(i)=XY(2); MUof=EJg>u
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; \v`#|lT$
i x(i) |i)lh_iN
y(i)end %= u/3b:o
plot(x,y)