SpheroidalQSPrime[n,m,γ,z]
gives the derivative with respect to
of the angular spheroidal function
of the second kind.
SpheroidalQSPrime
SpheroidalQSPrime[n,m,γ,z]
gives the derivative with respect to
of the angular spheroidal function
of the second kind.
Details
- Mathematical function, suitable for both symbolic and numerical manipulation.
- SpheroidalQSPrime[n,m,a,γ,z] uses spheroidal functions of type
. The types are specified as for SpheroidalPS. - For certain special arguments, SpheroidalQSPrime automatically evaluates to exact values.
- SpheroidalQSPrime can be evaluated to arbitrary numerical precision.
- SpheroidalQSPrime automatically threads over lists. »
Examples
open all close allBasic Examples (3)
Scope (22)
Numerical Evaluation (6)
SpheroidalQSPrime[5, 1, .1, .3]SpheroidalQSPrime[3, 2, -.3, .2]N[SpheroidalQSPrime[2, 1, 1 / 3, -11], 20]The precision of the output tracks the precision of the input:
SpheroidalQSPrime[2, 2, 1 / 3, 0.211111111111111111]SpheroidalQSPrime[2, 2, 1 / 3, 0.2111111111111111111111111111111]N[SpheroidalQSPrime[5, 3, I 2, 1 / 2]]Evaluate efficiently at high precision:
SpheroidalQSPrime[3, 2, 1, .2`100]//TimingSpheroidalQSPrime[11, 1, 1 / 2, 5`200];//TimingCompute the elementwise values of an array using automatic threading:
SpheroidalQSPrime[1 / 2, 1, 0, {{1 / 2, 0}, {0, 1 / 2}}]Or compute the matrix SpheroidalQSPrime function using MatrixFunction:
MatrixFunction[SpheroidalQSPrime[1 / 2, 1, 0, #]&, {{1 / 2, 0}, {0, 1 / 2}}]Compute average-case statistical intervals using Around:
SpheroidalQSPrime[1, 0, 0, Around[1 / 2, 0.01]]Specific Values (5)
SpheroidalQSPrime[n, m, 0, x]//FunctionExpandFind the first positive minimum of SpheroidalQSPrime[4,0,1/2,x]:
xmin = x /. FindRoot[D[SpheroidalQSPrime[4, 0, 1 / 2, x], x] == 0, {x, .5}]Plot[SpheroidalQSPrime[4, 0, 1 / 2, x], {x, -0.5, 1.5}, Epilog -> Style[Point[{xmin, SpheroidalQSPrime[4, 0, 1 / 2, xmin ]}], PointSize[Large], Red]]The SpheroidalQSPrime function is equal to zero for half-integer parameters:
SpheroidalQSPrime[1 / 2, 1 / 2, 2, x]Different SpheroidalQSPrime types give different symbolic forms:
With[{n = {0, 1}}, SpheroidalQSPrime[n, 1, n Pi / 2, x]]TraditionalForm formatting:
SpheroidalQSPrime[n, m, c, η]//TraditionalFormVisualization (2)
Plot the SpheroidalQSPrime function for various orders:
Plot[{SpheroidalQSPrime[1, 0, 1, x], SpheroidalQSPrime[2, 0, 1, x], SpheroidalQSPrime[3, 0, 1, x], SpheroidalQSPrime[4, 0, 1, x]}, {x, -1, 1}]ComplexContourPlot[Re[SpheroidalQSPrime[1, 0, 1, z]], {z, -1 - I, 1 + I}, Contours -> 24]ComplexContourPlot[Im[SpheroidalQSPrime[1, 0, 1, z]], {z, -1 - I, 1 + I}, Contours -> 24]Function Properties (2)
has both singularities and discontinuities for
:
FunctionSingularities[SpheroidalQSPrime[2, 0, 1, x], x]//QuietFunctionDiscontinuities[SpheroidalQSPrime[2, 0, 1, x], x]//QuietSpheroidalQSPrime is neither non-negative nor non-positive:
FunctionSign[SpheroidalQSPrime[2, 0, 1, x], x]Differentiation (2)
First derivative with respect to z:
D[SpheroidalQSPrime[n, m, γ, z], z]Higher derivatives with respect to z:
Table[D[SpheroidalQSPrime[n, m, γ, z], {z, k}], {k, 1, 3}]//FullSimplifyPlot the higher derivatives with respect to z when n=5, m=2 and γ=1:
Plot[Evaluate[% /. { n -> 5, m -> 2, γ -> 1}], {z, -1, 1}, PlotLegends -> {"First Derivative", "Second Derivative", "Third Derivative"}]Integration (3)
Compute the indefinite integral using Integrate:
Integrate[SpheroidalQSPrime[``n``, ``m``, γ, ``z``], z]FullSimplify[D[%, z]]Integrate[SpheroidalQSPrime[``n``, ``m``, γ, ``z``], {z, 0, 3}]Integrate[SpheroidalQSPrime[1, 1 / 2, γ, ``z``]SphericalHankelH1[3 / 2, z], z]//FullSimplifyIntegrate[SpheroidalQSPrime[2, 1 / 2, γ, ``z``]SphericalHankelH2[1 / 2, z^2], z]//FullSimplifySeries Expansions (2)
Find the Taylor expansion using Series:
Series[SpheroidalQSPrime[n, m, γ, x], {x, 0, 3}]//Normal//FullSimplifyPlots of the first three approximations around
:
terms = Normal@Table[Series[SpheroidalQSPrime[2, 0, 5, x], {x, 0, m}], {m, 1, 5, 2}]//N;
Plot[{SpheroidalQSPrime[2, 0, 5, x], terms}, {x, -1, 1}, MaxRecursion -> 1]Taylor expansion at a generic point:
Series[SpheroidalQSPrime[n, m, γ, x], {x, x0, 2}]//Normal// FullSimplifyGeneralizations & Extensions (2)
The different types (type 1 or type 2) of SpheroidalQSPrime have different branch cut structures as for SpheroidalQS:
SpheroidalQSPrime[n, m, 1, 0, x]SpheroidalQSPrime[n, m, 2, 0, x]SpheroidalQSPrime of different types numerically:
SpheroidalQSPrime[1, 1 / 3, 11, 0.5]SpheroidalQSPrime[1, 1 / 3, 1, 11, 0.5]SpheroidalQSPrime[1, 1 / 3, 2, 11, 0.5]Applications (1)
Properties & Relations (1)
SpheroidalQSPrime is equivalent to a sum of type 2 LegendreQ functions when
:
SpheroidalQSPrime[n, m, 0, x]See Also
Tech Notes
Related Guides
History
Introduced in 2007 (6.0)
Text
Wolfram Research (2007), SpheroidalQSPrime, Wolfram Language function, https://reference.wolfram.com/language/ref/SpheroidalQSPrime.html.
CMS
Wolfram Language. 2007. "SpheroidalQSPrime." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/SpheroidalQSPrime.html.
APA
Wolfram Language. (2007). SpheroidalQSPrime. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/SpheroidalQSPrime.html
BibTeX
@misc{reference.wolfram_2026_spheroidalqsprime, author="Wolfram Research", title="{SpheroidalQSPrime}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/SpheroidalQSPrime.html}", note=[Accessed: 13-June-2026]}
BibLaTeX
@online{reference.wolfram_2026_spheroidalqsprime, organization={Wolfram Research}, title={SpheroidalQSPrime}, year={2007}, url={https://reference.wolfram.com/language/ref/SpheroidalQSPrime.html}, note=[Accessed: 13-June-2026]}