ノイマンの公式: $$M = \frac{\mu_0}{4\pi}\oint_{C_1}\!\!\oint_{C_2} \frac{d\boldsymbol{l}_1 \cdot d\boldsymbol{l}_2}{|\boldsymbol{r}_1 - \boldsymbol{r}_2|}$$ このシミュレータの記号(半径 a, b、オフセット ρ, z、傾き θ)で書くと: $$M = \frac{\mu_0}{4\pi}\,\color[RGB]{37,99,235}{a}\color[RGB]{249,115,22}{b}\int_0^{2\pi}\!\!\int_0^{2\pi} \frac{\cos\varphi_1\cos\varphi_2+\cos\theta\sin\varphi_1\sin\varphi_2}{\sqrt{(\color[RGB]{37,99,235}{a}\cos\varphi_1-\color[RGB]{13,148,136}{\rho}-\color[RGB]{249,115,22}{b}\cos\varphi_2\cos\theta)^2+(\color[RGB]{37,99,235}{a}\sin\varphi_1-\color[RGB]{249,115,22}{b}\sin\varphi_2)^2+(\color[RGB]{249,115,22}{b}\cos\varphi_2\sin\theta-\color[RGB]{124,58,237}{z})^2}}\,d\varphi_1\,d\varphi_2$$