WOLFRAM

JacobiNC[u,m]

gives the Jacobi elliptic function .

Details

  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • , where .
  • is a doubly periodic function in u with periods and , where is the elliptic integral EllipticK.
  • JacobiNC is a meromorphic function in both arguments.
  • For certain special arguments, JacobiNC automatically evaluates to exact values.
  • JacobiNC can be evaluated to arbitrary numerical precision.
  • JacobiNC automatically threads over lists.

Examples

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Basic Examples  (4)Summary of the most common use cases

Evaluate numerically:

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Plot the function over a subset of the reals:

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Plot over a subset of the complexes:

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Series expansions about the origin:

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Scope  (34)Survey of the scope of standard use cases

Numerical Evaluation  (5)

Evaluate numerically to high precision:

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The precision of the output tracks the precision of the input:

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Evaluate for complex arguments:

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Evaluate JacobiNC efficiently at high precision:

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Compute average case statistical intervals using Around:

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Compute the elementwise values of an array:

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Or compute the matrix JacobiNC function using MatrixFunction:

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Specific Values  (3)

Simple exact values are generated automatically:

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Some poles of JacobiNC:

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Find a local maximum of JacobiNC as a root of (d)/(dx)TemplateBox[{x, {1, /, 3}}, JacobiNC]=0:

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Visualization  (3)

Plot the JacobiNC functions for various parameter values:

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Plot JacobiNC as a function of its parameter :

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Plot the real part of TemplateBox[{z, {1, /, 2}}, JacobiNC]:

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Plot the imaginary part of TemplateBox[{z, {1, /, 2}}, JacobiNC]:

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Function Properties  (8)

JacobiNC is 4TemplateBox[{m}, EllipticK]-periodic along the real axis:

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JacobiNC is 4ⅈTemplateBox[{{1, -, m}}, EllipticK]-periodic along the imaginary axis:

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JacobiNC is an even function in its first argument:

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TemplateBox[{x, m}, JacobiNC] is an analytic function of for :

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It has both singularities and discontinuities for :

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TemplateBox[{x, 3}, JacobiNC] is neither nondecreasing nor nonincreasing:

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TemplateBox[{x, m}, JacobiNC] is not injective for any fixed :

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TemplateBox[{x, m}, JacobiNC] is not surjective for any fixed :

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JacobiNC is non-negative nor for :

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In general, it has indeterminate sign:

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JacobiNC is neither convex nor concave:

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Differentiation  (3)

First derivative:

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Higher derivatives:

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Plot higher derivatives for :

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Derivative with respect to :

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Integration  (3)

Indefinite integral of JacobiNC:

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Definite integral of JacobiNC:

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More integrals:

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Series Expansions  (3)

Taylor expansion for TemplateBox[{x, {1, /, 3}}, JacobiNC]:

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Plot the first three approximations for TemplateBox[{x, {1, /, 3}}, JacobiNC] around :

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Taylor expansion for TemplateBox[{1, m}, JacobiNC]:

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Plot the first three approximations for TemplateBox[{1, m}, JacobiNC] around :

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JacobiNC can be applied to power series:

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Function Identities and Simplifications  (3)

Parity transformations and periodicity relations are automatically applied:

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Identity involving JacobiSC:

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Argument simplifications:

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Function Representations  (3)

Representation in terms of Sec of JacobiAmplitude:

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Relation to other Jacobi elliptic functions:

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TraditionalForm formatting:

Applications  (5)Sample problems that can be solved with this function

Conformal map from a unit triangle to the unit disk:

Show points before and after the map:

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Parametrize a lemniscate by arc length:

Show arc length parametrization and classical parametrization:

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Solution of an anharmonic oscillator :

Plot various solutions:

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Solution of the field theory wave equation :

Plot a solution:

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Parameterization of Costa's minimal surface [MathWorld]:

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Properties & Relations  (2)Properties of the function, and connections to other functions

Compose with inverse functions:

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Use PowerExpand to disregard multivaluedness of the inverse function:

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Solve a transcendental equation:

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Possible Issues  (2)Common pitfalls and unexpected behavior

Machine-precision input is insufficient to give the correct answer:

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Currently only simple simplification rules are built in for Jacobi functions:

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Wolfram Research (1988), JacobiNC, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiNC.html.
Wolfram Research (1988), JacobiNC, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiNC.html.

Text

Wolfram Research (1988), JacobiNC, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiNC.html.

Wolfram Research (1988), JacobiNC, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiNC.html.

CMS

Wolfram Language. 1988. "JacobiNC." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/JacobiNC.html.

Wolfram Language. 1988. "JacobiNC." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/JacobiNC.html.

APA

Wolfram Language. (1988). JacobiNC. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/JacobiNC.html

Wolfram Language. (1988). JacobiNC. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/JacobiNC.html

BibTeX

@misc{reference.wolfram_2025_jacobinc, author="Wolfram Research", title="{JacobiNC}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/JacobiNC.html}", note=[Accessed: 07-June-2025 ]}

@misc{reference.wolfram_2025_jacobinc, author="Wolfram Research", title="{JacobiNC}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/JacobiNC.html}", note=[Accessed: 07-June-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_jacobinc, organization={Wolfram Research}, title={JacobiNC}, year={1988}, url={https://reference.wolfram.com/language/ref/JacobiNC.html}, note=[Accessed: 07-June-2025 ]}

@online{reference.wolfram_2025_jacobinc, organization={Wolfram Research}, title={JacobiNC}, year={1988}, url={https://reference.wolfram.com/language/ref/JacobiNC.html}, note=[Accessed: 07-June-2025 ]}