AiryBi

AiryBi[z]

gives the Airy function .

Details

• Mathematical function, suitable for both symbolic and numerical manipulation.
• The Airy function is a solution to the differential equation .
• increases exponentially as .
• AiryBi[z] is an entire function of z with no branch cut discontinuities.
• For certain special arguments, AiryBi automatically evaluates to exact values.
• AiryBi can be evaluated to arbitrary numerical precision.
• AiryBi automatically threads over lists.
• AiryBi can be used with Interval and CenteredInterval objects. »

Examples

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Basic Examples(5)

Evaluate numerically:

Plot over a subset of the reals:

Plot over a subset of the complexes:

Series expansion at the origin:

Series expansion at Infinity:

Scope(40)

Numerical Evaluation(5)

Evaluate numerically to high precision:

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

Evaluate for complex arguments:

Evaluate AiryBi efficiently at high precision:

AiryBi threads elementwise over lists and matrices:

AiryBi can be used with Interval and CenteredInterval objects:

Specific Values(4)

Simple exact values are generated automatically:

Limiting values at infinity:

The first three zeros:

Find a zero of AiryBi using Solve:

Visualization(2)

Plot the AiryBi function:

Plot the real part of :

Plot the imaginary part of :

Function Properties(9)

AiryBi is defined for all real and complex values:

Approximate function range of AiryBi:

AiryBi is an analytic function of x:

AiryBi is neither non-increasing nor non-decreasing:

AiryBi is not injective:

AiryBi is not surjective:

AiryBi is neither non-negative nor non-positive:

AiryBi has no singularities or discontinuities:

AiryBi is neither convex nor concave:

Differentiation(3)

First derivative:

Higher derivatives:

Formula for the derivative:

Integration(3)

Indefinite integral of AiryBi:

Definite integral of AiryBi:

More integrals:

Series Expansions(5)

Taylor expansion for AiryBi:

Plot the first three approximations for AiryBi around :

General term in the series expansion of AiryBi:

Find series expansions at infinity:

Expansion at infinity for an arbitrary symbolic direction :

AiryBi can be applied to power series:

Integral Transforms(2)

Compute the Fourier cosine transform using FourierCosTransform:

Function Identities and Simplifications(3)

Simplify the expression to AiryBi:

FunctionExpand tries to simplify the argument of AiryBi:

Functional identity:

Function Representations(4)

Relationship to Bessel functions:

AiryBi can be represented as a DifferentialRoot:

AiryBi can be represented in terms of MeijerG:

Applications(2)

Solve the Schrödinger equation in a linear potential (e.g. uniform electric field):

Check the Sommerfeld radiation condition for a combination of Airy functions:

There is only an outgoing plane wave:

Properties & Relations(5)

Use FullSimplify to simplify Airy functions, here in the Wronskian of the Airy equation:

Compare with the output of Wronskian:

FunctionExpand tries to simplify the argument of AiryBi:

Generate Airy functions from differential equations:

Find a numerical root:

Compare with the built-in function AiryBiZero:

Integrals:

Possible Issues(5)

Machine-precision input is insufficient to get a correct answer:

A larger setting for \$MaxExtraPrecision can be needed:

Machine-number inputs can give highprecision results:

Simplifications sometimes hold only in parts of the complex plane:

Parentheses are required for correct parsing in the traditional form:

Wolfram Research (1991), AiryBi, Wolfram Language function, https://reference.wolfram.com/language/ref/AiryBi.html (updated 2022).

Text

Wolfram Research (1991), AiryBi, Wolfram Language function, https://reference.wolfram.com/language/ref/AiryBi.html (updated 2022).

CMS

Wolfram Language. 1991. "AiryBi." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2022. https://reference.wolfram.com/language/ref/AiryBi.html.

APA

Wolfram Language. (1991). AiryBi. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/AiryBi.html

BibTeX

@misc{reference.wolfram_2024_airybi, author="Wolfram Research", title="{AiryBi}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/AiryBi.html}", note=[Accessed: 14-June-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_airybi, organization={Wolfram Research}, title={AiryBi}, year={2022}, url={https://reference.wolfram.com/language/ref/AiryBi.html}, note=[Accessed: 14-June-2024 ]}