# AngerJ

AngerJ[ν,z]

gives the Anger function .

AngerJ[ν,μ,z]

gives the associated Anger function .

# Details

• Mathematical function, suitable for both symbolic and numerical manipulation.
• satisfies the differential equation .
• is defined by .
• AngerJ[ν,z] is an entire function of z with no branch cut discontinuities.
• is defined by .
• For certain special arguments, AngerJ automatically evaluates to exact values.
• AngerJ can be evaluated to arbitrary numerical precision.
• AngerJ automatically threads over lists.
• AngerJ can be used with Interval and CenteredInterval objects. »

# Examples

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## Basic Examples(4)

Evaluate numerically:

Plot over a subset of the reals:

Plot over a subset of the complexes:

Series expansion at the origin:

## Scope(39)

### Numerical Evaluation(6)

Evaluate numerically:

Evaluate to high precision:

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

Complex number inputs:

Evaluate efficiently at high precision:

Compute worst-case guaranteed intervals using Interval and CenteredInterval objects:

Or compute average-case statistical intervals using Around:

Compute the elementwise values of an array:

Or compute the matrix AngerJ function using MatrixFunction:

### Specific Values(7)

Limiting value at infinity:

Values at zero:

AngerJ for symbolic ν and x:

Find the first positive maximum of AngerJ:

AngerJ simplifies to BesselJ for integer orders:

Simple exact values are generated automatically:

Evaluate AngerJ for half-integer orders:

### Visualization(3)

Plot the AngerJ function for integer () and half-integer () orders:

Plot the real part of :

Plot the imaginary part of :

Plot the real part of :

Plot the imaginary part of :

### Function Properties(15)

Real domain of :

Complex domain of :

is defined for all real values:

Complex domain is the whole plane:

Approximate function range of :

Approximate function range of :

is an even function:

is an odd function:

Use FullSimplify to simplify Anger functions:

AngerJ threads elementwise over lists:

is an analytic function of :

AngerJ is neither non-decreasing nor non-increasing:

is not injective:

is not surjective:

AngerJ is neither non-negative nor non-positive:

AngerJ does not have either singularity or discontinuity:

AngerJ is neither convex nor concave:

### Differentiation and Integration(5)

First derivatives with respect to z:

Higher derivatives with respect to z:

Plot the higher derivatives with respect to z when ν=1/4:

Formula for the derivative with respect to z when ν=3:

Indefinite integral of AngerJ:

More integrals:

### Series Expansions(3)

Find the Taylor expansion using Series:

Plots of the first three approximations around :

General term in the series expansion using SeriesCoefficient:

Taylor expansion at a generic point:

## Properties & Relations(2)

Use FunctionExpand to expand AngerJ into hypergeometric functions:

Relationships between the Anger and Weber functions:

Wolfram Research (2008), AngerJ, Wolfram Language function, https://reference.wolfram.com/language/ref/AngerJ.html.

#### Text

Wolfram Research (2008), AngerJ, Wolfram Language function, https://reference.wolfram.com/language/ref/AngerJ.html.

#### CMS

Wolfram Language. 2008. "AngerJ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/AngerJ.html.

#### APA

Wolfram Language. (2008). AngerJ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/AngerJ.html

#### BibTeX

@misc{reference.wolfram_2024_angerj, author="Wolfram Research", title="{AngerJ}", year="2008", howpublished="\url{https://reference.wolfram.com/language/ref/AngerJ.html}", note=[Accessed: 11-September-2024 ]}

#### BibLaTeX

@online{reference.wolfram_2024_angerj, organization={Wolfram Research}, title={AngerJ}, year={2008}, url={https://reference.wolfram.com/language/ref/AngerJ.html}, note=[Accessed: 11-September-2024 ]}