JacobiND
✖
JacobiND
Details

- Mathematical function, suitable for both symbolic and numerical manipulation.
, where
.
is a doubly periodic function in
with periods
and
, where
is the elliptic integral EllipticK.
- JacobiND is a meromorphic function in both arguments.
- For certain special arguments, JacobiND automatically evaluates to exact values.
- JacobiND can be evaluated to arbitrary numerical precision.
- JacobiND automatically threads over lists.
Examples
open allclose allBasic Examples (4)Summary of the most common use cases

https://wolfram.com/xid/0wg1u6s-dqt4ii

Plot the function over a subset of the reals:

https://wolfram.com/xid/0wg1u6s-4w83i

Plot over a subset of the complexes:

https://wolfram.com/xid/0wg1u6s-kiedlx

Series expansions about the origin:

https://wolfram.com/xid/0wg1u6s-sgnk9


https://wolfram.com/xid/0wg1u6s-bb0we4

Scope (34)Survey of the scope of standard use cases
Numerical Evaluation (5)
Evaluate numerically to high precision:

https://wolfram.com/xid/0wg1u6s-gt2gzb

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

https://wolfram.com/xid/0wg1u6s-bharxm

Evaluate for complex arguments:

https://wolfram.com/xid/0wg1u6s-6mjar

Evaluate JacobiND efficiently at high precision:

https://wolfram.com/xid/0wg1u6s-di5gcr


https://wolfram.com/xid/0wg1u6s-bq2c6r

Compute average case statistical intervals using Around:

https://wolfram.com/xid/0wg1u6s-cw18bq

Compute the elementwise values of an array:

https://wolfram.com/xid/0wg1u6s-thgd2

Or compute the matrix JacobiND function using MatrixFunction:

https://wolfram.com/xid/0wg1u6s-o5jpo

Specific Values (3)
Simple exact values are generated automatically:

https://wolfram.com/xid/0wg1u6s-d0u5wi


https://wolfram.com/xid/0wg1u6s-croqw4

Some poles of JacobiND:

https://wolfram.com/xid/0wg1u6s-cw39qs

Find a local minimum of JacobiND as a root of :

https://wolfram.com/xid/0wg1u6s-f2hrld


https://wolfram.com/xid/0wg1u6s-cj5txq

Visualization (3)
Plot the JacobiND functions for various parameter values:

https://wolfram.com/xid/0wg1u6s-ecj8m7

Plot JacobiND as a function of its parameter :

https://wolfram.com/xid/0wg1u6s-du62z6


https://wolfram.com/xid/0wg1u6s-ouu484


https://wolfram.com/xid/0wg1u6s-jhsar5

Function Properties (8)
JacobiND is -periodic along the real axis:

https://wolfram.com/xid/0wg1u6s-ewxrep

JacobiND is -periodic along the imaginary axis:

https://wolfram.com/xid/0wg1u6s-w9fc2

JacobiND is an even function in its first argument:

https://wolfram.com/xid/0wg1u6s-dnla5q

is an analytic function of
for
:

https://wolfram.com/xid/0wg1u6s-h5x4l2

It is not, in general, an analytic function:

https://wolfram.com/xid/0wg1u6s-drn9c1

It has both singularities and discontinuities:

https://wolfram.com/xid/0wg1u6s-mdtl3h


https://wolfram.com/xid/0wg1u6s-mn5jws

is neither nondecreasing nor nonincreasing:

https://wolfram.com/xid/0wg1u6s-nlz7s


https://wolfram.com/xid/0wg1u6s-poz8g


https://wolfram.com/xid/0wg1u6s-ctca0g

is not surjective for any fixed
:

https://wolfram.com/xid/0wg1u6s-g0su4q


https://wolfram.com/xid/0wg1u6s-hdm869


https://wolfram.com/xid/0wg1u6s-s2jgrh

In general, it has indeterminate sign:

https://wolfram.com/xid/0wg1u6s-fr63pc

JacobiND is neither convex nor concave:

https://wolfram.com/xid/0wg1u6s-8kku21

Differentiation (3)

https://wolfram.com/xid/0wg1u6s-mmas49


https://wolfram.com/xid/0wg1u6s-nfbe0l


https://wolfram.com/xid/0wg1u6s-fxwmfc


https://wolfram.com/xid/0wg1u6s-clw10k

Integration (3)
Indefinite integral of JacobiND:

https://wolfram.com/xid/0wg1u6s-zncoi

Definite integral of the even function over the interval centered at the origin:

https://wolfram.com/xid/0wg1u6s-ft0ejz

This is twice the integral over half the interval:

https://wolfram.com/xid/0wg1u6s-cic57x


https://wolfram.com/xid/0wg1u6s-5ct3x


https://wolfram.com/xid/0wg1u6s-cl496o

Series Expansions (3)

https://wolfram.com/xid/0wg1u6s-ewr1h8

Plot the first three approximations for around
:

https://wolfram.com/xid/0wg1u6s-binhar


https://wolfram.com/xid/0wg1u6s-c7itxf

Plot the first three approximations for around
:

https://wolfram.com/xid/0wg1u6s-jkkunh

JacobiND can be applied to a power series:

https://wolfram.com/xid/0wg1u6s-fiejmc

Function Identities and Simplifications (3)
Parity transformations and periodicity relations are automatically applied:

https://wolfram.com/xid/0wg1u6s-kaxy2


https://wolfram.com/xid/0wg1u6s-ezd0kt

Identity involving JacobiSD:

https://wolfram.com/xid/0wg1u6s-c26j4j


https://wolfram.com/xid/0wg1u6s-d2zh4f


https://wolfram.com/xid/0wg1u6s-fqnav3

Function Representations (3)

https://wolfram.com/xid/0wg1u6s-i50rvt

Relation to other Jacobi elliptic functions:

https://wolfram.com/xid/0wg1u6s-qkaoa9


https://wolfram.com/xid/0wg1u6s-gd2cwv

TraditionalForm formatting:

https://wolfram.com/xid/0wg1u6s-jv2ltf

Applications (4)Sample problems that can be solved with this function
Cartesian coordinates of a pendulum:

https://wolfram.com/xid/0wg1u6s-mjggk7
Plot the time‐dependence of the coordinates:

https://wolfram.com/xid/0wg1u6s-bgeep9


https://wolfram.com/xid/0wg1u6s-b5azoz

Periodic solution of the nonlinear Schrödinger equation :

https://wolfram.com/xid/0wg1u6s-bo8ysd
Check the solution numerically:

https://wolfram.com/xid/0wg1u6s-jb8ba9


https://wolfram.com/xid/0wg1u6s-hcsc5

Parametrize a lemniscate by arc length:

https://wolfram.com/xid/0wg1u6s-fl03me
Show arc length parametrization and classical parametrization:

https://wolfram.com/xid/0wg1u6s-d4ck7

https://wolfram.com/xid/0wg1u6s-qgdwzb

Zero modes of the periodic supersymmetric partner potentials:

https://wolfram.com/xid/0wg1u6s-ezlpr8

https://wolfram.com/xid/0wg1u6s-hvtjfs

https://wolfram.com/xid/0wg1u6s-dposey


https://wolfram.com/xid/0wg1u6s-c746g9

Properties & Relations (3)Properties of the function, and connections to other functions
Compose with inverse functions:

https://wolfram.com/xid/0wg1u6s-bsizsl

Use PowerExpand to disregard multivaluedness of the inverse function:

https://wolfram.com/xid/0wg1u6s-rk2ih

Solve a transcendental equation:

https://wolfram.com/xid/0wg1u6s-ciu6sn

JacobiND can be represented with related elliptic functions:

https://wolfram.com/xid/0wg1u6s-e6k7l8


https://wolfram.com/xid/0wg1u6s-eqzep9

Possible Issues (2)Common pitfalls and unexpected behavior
Machine-precision input is insufficient to give the correct answer:

https://wolfram.com/xid/0wg1u6s-c9dn79


https://wolfram.com/xid/0wg1u6s-co60ks

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

https://wolfram.com/xid/0wg1u6s-gjcejb


https://wolfram.com/xid/0wg1u6s-bhgm6d

Wolfram Research (1988), JacobiND, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiND.html.
Text
Wolfram Research (1988), JacobiND, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiND.html.
Wolfram Research (1988), JacobiND, Wolfram Language function, https://reference.wolfram.com/language/ref/JacobiND.html.
CMS
Wolfram Language. 1988. "JacobiND." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/JacobiND.html.
Wolfram Language. 1988. "JacobiND." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/JacobiND.html.
APA
Wolfram Language. (1988). JacobiND. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/JacobiND.html
Wolfram Language. (1988). JacobiND. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/JacobiND.html
BibTeX
@misc{reference.wolfram_2025_jacobind, author="Wolfram Research", title="{JacobiND}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/JacobiND.html}", note=[Accessed: 26-March-2025
]}
BibLaTeX
@online{reference.wolfram_2025_jacobind, organization={Wolfram Research}, title={JacobiND}, year={1988}, url={https://reference.wolfram.com/language/ref/JacobiND.html}, note=[Accessed: 26-March-2025
]}