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青青子衿
发表于 2023-12-15 08:36
本帖最后由 青青子衿 于 2024-1-9 11:58 编辑 青青子衿 发表于 2023-12-12 01:04
\begin{align*}
I_3=\int_{0}^{x}\frac{\mathrm{d}t}{\sqrt{\left(1-t^{2}\right)\left(1-u^{8}t^{2}\right)}}&=\frac{v}{2u^{3}+v}\int_{0}^{y_{3,1}}\frac{\mathrm{d}t}{\sqrt{\left(1-t^{2}\right)\left(1-v^{8}t^{2}\right)}}\\
\\
y_{3,1}&=\frac{x\left(v^{2}+2u^{3}v+u^{6}x^{2}\right)}{v^{2}+2u^{3}vx^{2}+u^{6}x^{2}}\\
\\
\\
\end{align*}
\begin{align*}
\Phi(x,U)&=\int_{0}^{x}\frac{\mathrm{d}t}{\sqrt{\left(1-t^{2}\right)\left(1-Ut^{2}\right)}}\\
\Phi(y,V)&=\int_{0}^{y}\frac{\mathrm{d}t}{\sqrt{\left(1-t^{2}\right)\left(1-Vt^{2}\right)}}\\
\mathcal{E}(x,U)&=\int_{0}^{x}\sqrt{\frac{1-Ut^{2}}{1-t^{2}}}\mathrm{d}t\\
\mathcal{E}(y,V)&=\int_{0}^{y}\sqrt{\frac{1-Vt^{2}}{1-t^{2}}}\mathrm{d}t\\
U&=u^8\\
V&=v^8\\
y&=\frac{x \left(v^2+2 u^3 v+u^6 x^2\right)}{v^2+2 u^3 v x^2+u^6 x^2}\\
\frac{\partial\,y}{\partial\,x}&=\frac{(v^{2}-u^{6}x^{2})(v^{2}+2u^{3}v-2u^{3}vx^{2}-u^{6}x^{2})}{(v^{2}+2u^{3}vx^{2}+u^{6}x^{2})^{2}}\\
\frac{\partial\,y}{\partial\,u}&=\frac{6u^{2}vx(1-x^{2})(v^{2}-u^{6}x^{2})}{(v^{2}+2u^{3}vx^{2}+u^{6}x^{2})^{2}}\\
\frac{\partial\,y}{\partial\,v}&=-\frac{2u^{3}x\ (1-x^{2})(v^{2}-u^{6}x^{2})}{(v^{2}+2u^{3}vx^{2}+u^{6}x^{2})^{2}}=-\dfrac{u}{3v}\cdot\frac{\partial\,y}{\partial\,u}\\
M(u,v)&=\dfrac{v}{2u^3+v}=\dfrac{2v^3-u}{3u}\\
N(u,v)&=\frac{1}{M(u,v)}=\dfrac{3u}{2v^3-u}=\dfrac{2u^3+v}{v}\\
\\
\\
\Phi(x,U)&=M(u,v)\Phi(y,V)\\
\Phi(y,V)&=\frac{\Phi(x,U)}{M(u,v)}=N(u,v)\Phi(x,U)\\
\frac{\partial\,\Phi(x,U)}{\partial\,U}&=\frac{\mathcal{E}(x,U)}{2U\left(1-U\right)}-\dfrac{\Phi(x,U)}{2U}\\
&\qquad\quad-\frac{x(1-x^2)}{2(1-U)}\cdot\frac{\partial\,\Phi(x,U)}{\partial\,x}\\
\frac{\partial\,\Phi(y,V)}{\partial\,V}
&=\frac{\mathcal{E}(y,V)}{2V\left(1-V\right)}-\dfrac{\Phi(y,V)}{2V}\\
&\qquad\quad-\frac{y(1-y^2)}{2(1-V)}\cdot\frac{\partial\,\Phi(y,V)}{\partial\,y}\\
\\
\Psi(u,v)&=(1-u^{2}v^{2})^4-\left(1-u^{8}\right)\left(1-v^{8}\right)\\
\frac{\mathrm{d}v}{\mathrm{d}u}&=-\dfrac{\Psi_u(u,v)}{\Psi_v(u,v)}=\frac{v(1-v^{8})}{3u(1-u^{8})M^{2}(u,v)}\\
&=\frac{(1-v^{8})(2u^3+v)^2}{3uv(1-u^{8})}\\
\\
\end{align*}
\begin{align*}
\frac{\partial\,\Phi(y,V)}{\partial\,u}&=\frac{\partial\,\Phi(y,V)}{\partial\,V}\cdot\frac{\partial\,V}{\partial\,u}+\frac{\partial\,\Phi(y,V)}{\partial\,y}\cdot\left(\frac{\partial\,y}{\partial\,u}+\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}\right)\\
&=\left(-\dfrac{\frac{\partial\,V}{\partial\,u}}{2V}\right)\cdot\Phi(y,V)+\frac{\frac{\partial\,V}{\partial\,u}}{2V\left(1-V\right)}\cdot\mathcal{E}(y,V)\\
&\quad\>\>+\frac{\partial\,\Phi(y,V)}{\partial\,y}\cdot\left(\frac{\partial\,y}{\partial\,u}+\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}-\frac{y(1-y^2)\frac{\partial\,V}{\partial\,u}}{2(1-V)}\right)\\
&=\left(-\dfrac{\frac{\partial\,V}{\partial\,u}}{2VM(u,v)}\right)\cdot\Phi(x,U)+\frac{\frac{\partial\,V}{\partial\,u}}{2V\left(1-V\right)}\cdot\mathcal{E}(y,V)\\
&\qquad\quad+\dfrac{\frac{\partial\,\Phi(x,U)}{\partial\,x}}{M(u,v)}\cdot\frac{\frac{\partial\,y}{\partial\,u}+\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}-\frac{y(1-y^2)}{2(1-V)}\cdot\frac{\partial\,V}{\partial\,u}}{\frac{\partial\,\!y}{\partial\,\!x}}\\
\\
\frac{\partial}{\partial\,u}\left(\frac{\Phi(x,U)}{M(u,v)}\right)&=\left(\frac{\partial\,\!N(u,v)}{\partial\,u}+\frac{\partial\,\!N(u,v)}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}\right)\cdot\Phi(x,U)\\
&\qquad\quad+\frac{\frac{\partial\,U}{\partial\,u}}{M(u,v)}\cdot\frac{\partial\,\Phi(x,U)}{\partial\,U}\\
&=\left(N_0(u,v)-\frac{\frac{\partial\,U}{\partial\,u}}{2UM(u,v)}\right)\cdot\Phi(x,U)\\
&\qquad\quad+\frac{\frac{\partial\,U}{\partial\,u}}{2U\left(1-U\right)M(u,v)}\cdot\mathcal{E}(x,U)\\
&\qquad\qquad\quad-\frac{\frac{\partial\,\Phi(x,U)}{\partial\,x}}{M(u,v)}\cdot\frac{x(1-x^2)\frac{\partial\,U}{\partial\,u}}{2(1-U)}\\
\end{align*}
\begin{align*}
\Omega&=\frac{\frac{\partial\,V}{\partial\,u}}{2V\left(1-V\right)}\cdot\mathcal{E}(y,V)-\frac{\frac{\partial\,U}{\partial\,u}}{2U\left(1-U\right)M(u,v)}\cdot\mathcal{E}(x,U)\\
&\qquad\quad-\left(N_0(u,v)-\frac{\frac{\partial\,U}{\partial\,u}}{2UM(u,v)}+\dfrac{\frac{\partial\,V}{\partial\,u}}{2VM(u,v)}\right)\cdot\Phi(x,U)\\
\\
&=\dfrac{\frac{\partial\,\Phi(x,U)}{\partial\,x}}{M(u,v)}\cdot\left(\frac{\frac{y(1-y^2)}{2(1-V)}\cdot\frac{\partial\,\!V}{\partial\,\!u}-\frac{\partial\,y}{\partial\,u}-\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}}{\frac{\partial\,\!y}{\partial\,\!x}}-\frac{x(1-x^2)\cdot\frac{\partial\,U}{\partial\,u}}{2(1-U)}\right)\\
\\
\end{align*}
\begin{align*}
&\\
\\
\frac{\partial\,V}{\partial\,u}&=\frac{\partial\,V}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}=8v^7\cdot\frac{(1-v^{8})(2u^3+v)^2}{3uv(1-u^{8})}\\
&=\frac{8v^6(1-v^{8})(2u^{3}+v)^{2}}{3u(1-u^{8})}\\
\frac{\partial\,\Phi(y,V)}{\partial\,y}&=\dfrac{1}{\sqrt{(1-y^2)(1-Vy^2)}}=\dfrac{\frac{\partial\,\Phi(x,U)}{\partial\,x}}{M(u,v)\frac{\partial\,\!y}{\partial\,\!x}}\\
\frac{\partial\,y}{\partial\,u}+\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}&=\left(1-\dfrac{u}{3v}\cdot\frac{(1-v^{8})(2u^3+v)^2}{3uv(1-u^{8})}\right)\cdot\frac{\partial\,y}{\partial\,u}\\
&=\left(1-\frac{\left(1-v^{8}\right)(2u^{3}+v)^{2}}{9v^2\left(1-u^{8}\right)}\right)\cdot\frac{\partial\,y}{\partial\,u}=\frac{vN_0}{6u^2}\cdot\frac{\partial\,y}{\partial\,u}\\
\\
N_0&=\frac{\partial\,N(u,v)}{\partial\,u}+\frac{\partial\,N(u,v)}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}\\
&=\frac{6 u^2}{v}\cdot\left(1-\frac{\left(1-v^8\right) \left(2 u^3+v\right)^2}{9v^2\left(1-u^8\right) }\right)\\
\end{align*}
- s=0.56
- F\left(\rho,\mu\right)=\int_{0}^{\rho}\frac{1}{\sqrt{\left(1-t^{2}\right)\left(1-\mu t^{2}\right)}}dt
- E\left(\rho,\mu\right)=\int_{0}^{\rho}\sqrt{\frac{1-\mu t^{2}}{1-t^{2}}}dt
- u=x
- U=u^{8}
- \frac{d}{dx}\left(F\left(s,U\right)\right)
- \left(\frac{E\left(s,U\right)}{2U\left(1-U\right)}-\frac{F\left(s,U\right)}{2U}-\frac{s\left(1-s^{2}\right)}{2\left(1-U\right)}\frac{1}{\sqrt{\left(1-s^{2}\right)\left(1-Us^{2}\right)}}\right)\frac{d}{dx}\left(U\right)
- M=\frac{1}{1+u^{4}}
- r=\frac{\left(1+u^{4}\right)s}{1+u^{4}s^{2}}
- V=v^{8}
- \frac{F\left(s,U\right)}{M}
- F\left(r,V\right)
- \frac{d}{dx}\left(\frac{F\left(s,U\right)}{M}\right)
- \left(\frac{d}{dx}\left(\frac{1}{M}\right)\right)F\left(s,U\right)+\frac{8u^{7}}{M}\left(\frac{E\left(s,U\right)}{2U\left(1-U\right)}-\frac{F\left(s,U\right)}{2U}-\frac{s\left(1-s^{2}\right)}{2\left(1-U\right)}\frac{1}{\sqrt{\left(1-s^{2}\right)\left(1-Us^{2}\right)}}\right)
- \frac{d}{dx}\left(F\left(r,V\right)\right)
- \left(\frac{E\left(r,V\right)}{2V\left(1-V\right)}-\frac{F\left(r,V\right)}{2V}-\frac{r\left(1-r^{2}\right)}{2\left(1-V\right)}\frac{1}{\sqrt{\left(1-r^{2}\right)\left(1-Vr^{2}\right)}}\right)\left(\frac{d}{dx}\left(V\right)\right)+\frac{\frac{d}{dx}\left(r\right)}{\sqrt{\left(1-r^{2}\right)\left(1-Vr^{2}\right)}}
- v=\left(\frac{2u^{2}}{1+u^{4}}\right)^{\frac{1}{4}}
- \frac{1+u^{4}}{2}
- \frac{8v^{7}\cdot\frac{v\left(1-v^{8}\right)}{2u\left(1-u^{8}\right)M^{2}}\cdot\frac{1}{2v^{8}\left(1-v^{8}\right)}}{\frac{8u^{7}}{M}\cdot\frac{1}{2u^{8}\left(1-u^{8}\right)}}
- \frac{\left(\frac{d}{dx}\left(V\right)\right)E\left(r,V\right)}{2V\left(1-V\right)}-\frac{8u^{7}E\left(s,U\right)}{2U\left(1-U\right)M}-\left(\left(\frac{d}{dx}\left(\frac{1}{M}\right)\right)-\frac{8u^{7}}{2UM}+\frac{\left(\frac{d}{dx}\left(V\right)\right)}{2VM}\right)F\left(s,U\right)
- \frac{\frac{r\left(1-r^{2}\right)}{2\left(1-V\right)}\left(\frac{d}{dx}\left(V\right)\right)-\left(\frac{d}{dx}\left(r\right)\right)}{\sqrt{\left(1-r^{2}\right)\left(1-Vr^{2}\right)}}-\frac{\frac{8u^{7}s\left(1-s^{2}\right)}{2M\left(1-U\right)}}{\sqrt{\left(1-s^{2}\right)\left(1-Us^{2}\right)}}
- \left(\frac{\frac{r\left(1-r^{2}\right)}{2\left(1-V\right)}\left(\frac{d}{dx}\left(V\right)\right)-\left(\frac{d}{dx}\left(r\right)\right)}{G}-\frac{8u^{7}s\left(1-s^{2}\right)}{2\left(1-U\right)}\right)\cdot\frac{1}{M\sqrt{\left(1-s^{2}\right)\left(1-Us^{2}\right)}}
- f\left(p,a,b\right)=\frac{\left(1+a^{4}\right)p}{1+a^{4}p^{2}}
- g\left(x,a,b\right)=\frac{d}{dx}\left(f\left(x,a,b\right)\right)
- G=g\left(s,u,v\right)
- \frac{1}{\sqrt{\left(1-r^{2}\right)\left(1-Vr^{2}\right)}}
- \frac{1}{GM\sqrt{\left(1-s^{2}\right)\left(1-Us^{2}\right)}}
- E\left(r,V\right)-2M\cdot E\left(s,U\right)-\frac{2V\left(1-V\right)}{\frac{d}{dx}\left(V\right)}\left(\left(\frac{d}{dx}\left(\frac{1}{M}\right)\right)-\frac{8u^{7}}{2UM}+\frac{\left(\frac{d}{dx}\left(V\right)\right)}{2VM}\right)F\left(s,U\right)
- \frac{2u\left(1-u^{8}\right)M}{4\sqrt{\left(1-s^{2}\right)\left(1-Us^{2}\right)}}\left(\frac{\frac{r\left(1-r^{2}\right)}{2\left(1-V\right)}\left(\frac{d}{dx}\left(V\right)\right)-\left(\frac{d}{dx}\left(r\right)\right)}{G}-\frac{8u^{7}s\left(1-s^{2}\right)}{2\left(1-U\right)}\right)
复制代码
\begin{align*}
\Omega^*&=\frac{\Omega}{\frac{\frac{\partial\,V}{\partial\,u}}{2V\left(1-V\right)}}\\
&=\mathcal{E}(y,V)-\frac{\frac{V\left(1-V\right)\frac{\partial\,U}{\partial\,u}}{U\left(1-U\right)\frac{\partial\,V}{\partial\,v}}}{\frac{v(1-v^{8})}{nu(1-u^{8})M^{2}(u,v)}M(u,v)}\cdot\mathcal{E}(x,U)\\
&\qquad\quad-\frac{2V\left(1-V\right)}{\frac{\partial\,V}{\partial\,u}}\left(N_0(u,v)-\frac{\frac{\partial\,U}{\partial\,u}}{2UM(u,v)}+\dfrac{\frac{\partial\,V}{\partial\,u}}{2VM(u,v)}\right)\cdot\Phi(x,U)\\
\\
&=\dfrac{2V\left(1-V\right)\cdot\frac{\partial\,\Phi(x,U)}{\partial\,x}}{\frac{\partial\,V}{\partial\,v}\cdot\frac{v(1-v^{8})}{nu(1-u^{8})M^{2}(u,v)}M(u,v)}\cdot\left(\frac{\frac{y(1-y^2)}{2(1-V)}\cdot\frac{\partial\,\!V}{\partial\,\!u}-\frac{\partial\,y}{\partial\,u}-\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}}{\frac{\partial\,\!y}{\partial\,\!x}}-\frac{x(1-x^2)\cdot\frac{\partial\,U}{\partial\,u}}{2(1-U)}\right)\\
\\
\Omega^*&=\mathcal{E}(y,V)-nM(u,v)\cdot\mathcal{E}(x,U)\\
&\qquad-\frac{2V\left(1-V\right)}{\frac{\partial\,V}{\partial\,u}}\left(N_0(u,v)-\frac{\frac{\partial\,U}{\partial\,u}}{2UM(u,v)}+\dfrac{\frac{\partial\,V}{\partial\,u}}{2VM(u,v)}\right)\cdot\Phi(x,U)\\
\\
&=\dfrac{nu(1-u^{8})M(u,v)}{4\sqrt{(1-x^2)(1-u^8x^2)}}\cdot\left(\frac{\frac{y(1-y^2)}{2(1-V)}\cdot\frac{\partial\,\!V}{\partial\,\!u}-\frac{\partial\,y}{\partial\,u}-\frac{\partial\,y}{\partial\,v}\cdot\frac{\mathrm{d}v}{\mathrm{d}u}}{\frac{\partial\,\!y}{\partial\,\!x}}-\frac{x(1-x^2)\cdot\frac{\partial\,U}{\partial\,u}}{2(1-U)}\right)\\
\end{align*}
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