CarlsonRJ[x,y,z,ρ]
Carlsonの楕円積分
を与える.
CarlsonRJ
CarlsonRJ[x,y,z,ρ]
Carlsonの楕円積分
を与える.
例題
すべて開く すべて閉じる例 (3)
CarlsonRJ[2., 3., 5., 7.2]Plot[{CarlsonRJ[t, 3, 5, 4], CarlsonRJ[1, t, 5, 4], CarlsonRJ[1, 3, t, 4], CarlsonRJ[1, 3, 5, t]}, {t, -6, 6}, PlotLegends -> "Expressions"]CarlsonRJは,
で,第3種ルジャンドル(Legendre)楕円積分
に関連している:
(n/3)Sin[ϕ]^3CarlsonRJ[Cos[ϕ]^2, 1 - m Sin[ϕ]^2, 1, 1 - n Sin[ϕ]^2] /. {ϕ -> 0.7, m -> 0.5, n -> -3}EllipticPi[n, ϕ, m] - EllipticF[ϕ, m] /. {ϕ -> 0.7, m -> 0.5, n -> -3}スコープ (14)
数値評価 (6)
CarlsonRJ[3, 5, 1, 0.2]CarlsonRJ[3, 5, 1., -5]N[CarlsonRJ[1 / 3, 1 / 5, 1 / 7, 1], 50]CarlsonRJ[1 / 3, 1 / 5, 1, 1.234567890123456789012345]CarlsonRJ[1 / 3, 1 / 5, 1, 1.2345678901234567890123456789012345]CarlsonRJ[0.7 - 0.2I, 4, 2. + I / 3, 0.7 I]Timing[CarlsonRJ[2, 4, 6, 3`500]]Timing[Precision@CarlsonRJ[2, 4, 6, 3`100000]]CarlsonRJは要素単位でリストに縫い込まれる:
CarlsonRJ[{1, 2, 3}, {2, 3, 1}, {3, 1, 2}, {0.1, 0.2, 0.5}]CarlsonRJは,IntervalオブジェクトおよびCenteredIntervalオブジェクトに使うことができる.
CarlsonRJ[Interval[{1.23, 1.24}], Interval[{2.34, 2.35}], Interval[{3.45, 3.46}], Interval[{4.56, 4.57}]]CarlsonRJ[CenteredInterval[3 / 2, 1 / 100], CenteredInterval[5 / 4, 1 / 100], CenteredInterval[7 / 6, 1 / 100], CenteredInterval[9 / 8, 1 / 100]]特定の値 (3)
CarlsonRJ[x, x, x, x] /. x -> EulerGammaCarlsonRJ[x, x, x, ρ] /. x -> Zeta[3]CarlsonRJ[x, y, Pi, Pi]CarlsonRJの最初の3つの引数の一つが0のとき,CarlsonRJは完全楕円積分CarlsonRMに変換される:
CarlsonRJ[0, x, y, ρ]CarlsonRJの最初の3つの引数の一つが最後の引数と等しく両者が負の実軸上にはないとき,CarlsonRJはCarlsonRDに変換される:
CarlsonRJ[x, y, 2 + 3I, 2 + 3I]微分と積分 (2)
関数表現 (1)
TraditionalFormによる表示:
CarlsonRJ[Subscript[x, 1], Subscript[x, 2], Subscript[x, 3], ρ]//TraditionalForm関数の恒等式と簡約 (2)
CarlsonRJは,オイラー・ポアソン(Euler–Poisson)の偏微分方程式を満足する:
(x - y)Subscript[∂, x, y]CarlsonRJ[x, z, y, ρ] + (1/2)(Subscript[∂, y]CarlsonRJ[x, z, y, ρ] - Subscript[∂, x]CarlsonRJ[x, z, y, ρ]) == 0//FunctionExpand//FullSimplify(x - ρ)Subscript[∂, x, ρ]CarlsonRJ[x, z, y, ρ] + (1/2)Subscript[∂, ρ]CarlsonRJ[x, z, y, ρ] - Subscript[∂, x]CarlsonRJ[x, z, y, ρ] == 0//FunctionExpand//FullSimplifyCarlsonRJは,オイラーの同次関係を満足する:
xSubscript[∂, x]CarlsonRJ[x, z, y, ρ] + ySubscript[∂, y]CarlsonRJ[x, z, y, ρ] + zSubscript[∂, z]CarlsonRJ[x, z, y, ρ] + ρSubscript[∂, ρ]CarlsonRJ[x, z, y, ρ] == -(3/2)CarlsonRJ[x, z, y, ρ]//FunctionExpand//FullSimplifyアプリケーション (1)
CarlsonRJを使って等角図を定義する:
f[w_] = (2 Cos[(w/2)]^2 /3 (1 + Cos[w]))(9 CarlsonRF[1, 1 - 2 Tan[(w/2)]^2, 1 - (1/3) Tan[(w/2)]^2] Tan[(w/2)] - 4 CarlsonRJ[1, 1 - 2 Tan[(w/2)]^2, 1 - (1/3) Tan[(w/2)]^2, Sec[(w/2)]^2] Tan[(w/2)]^3);ParametricPlot[{Re[f[u + I v]], Im[f[u + I v]]}, {u, -Pi / 2, Pi / 2}, {v, 1*^-4, 3}, Mesh -> 15, PlotPoints -> 100]特性と関係 (2)
CarlsonRJはその最初の3つの引数を並べ替えても変わらない:
CarlsonRJ[x, y, z, ρ] == CarlsonRJ[z, x, y, ρ]CarlsonRJのパラメータ関係の変更を確認する:
With[{q = x + ((y - x)(z - x)/p - x)},
(p - x)CarlsonRJ[x, y, z, p] + (q - x)CarlsonRJ[x, y, z, q] == 3CarlsonRF[x, y, z] - 3CarlsonRC[(y z/x), (p q/x)]] /. {{x -> 2, y -> 3, z -> 5, p -> 7.}, {x -> 2, y -> 3, z -> 5, p -> 1.}, {x -> 2, y -> 3, z -> 5, p -> -4.}}関連するガイド
-
▪
- 楕円積分
テキスト
Wolfram Research (2021), CarlsonRJ, Wolfram言語関数, https://reference.wolfram.com/language/ref/CarlsonRJ.html (2023年に更新).
CMS
Wolfram Language. 2021. "CarlsonRJ." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2023. https://reference.wolfram.com/language/ref/CarlsonRJ.html.
APA
Wolfram Language. (2021). CarlsonRJ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/CarlsonRJ.html
BibTeX
@misc{reference.wolfram_2026_carlsonrj, author="Wolfram Research", title="{CarlsonRJ}", year="2023", howpublished="\url{https://reference.wolfram.com/language/ref/CarlsonRJ.html}", note=[Accessed: 12-August-2026]}
BibLaTeX
@online{reference.wolfram_2026_carlsonrj, organization={Wolfram Research}, title={CarlsonRJ}, year={2023}, url={https://reference.wolfram.com/language/ref/CarlsonRJ.html}, note=[Accessed: 12-August-2026]}