PRODUCTS
Mathematica
Mathematica Home Edition
Mathematica for Students
Mathematica for the Classroom
grid
Mathematica
Wolfram Lightweight Grid Manager
web
Mathematica
Mathematica Player
(free download)
Mathematica Player Pro
Wolfram
Workbench
Mathematica
Applications
SOLUTIONS
Engineering
Aerospace Engineering & Defense
Chemical Engineering
Electrical Engineering
Image Processing
Industrial Engineering
Materials Science
Mechanical Engineering
Operations Research
Optics
Petroleum Engineering
Biotechnology & Medicine
Bioinformatics
Medical Imaging
Finance, Statistics, & Business Analysis
Actuarial Sciences
Data Analysis & Mining
Econometrics
Economics
Financial Engineering & Mathematics
Financial Risk Management
Statistics
Software Engineering & Content Delivery
Authoring & Publishing
Interface Development
Software Engineering
Web Development
Science
Astronomy
Biological Sciences
Chemistry
Environmental Sciences
Geosciences
Social & Behavioral Sciences
Design, Arts, & Entertainment
Game Design, Special Effects, & Generative Art
Education
Higher Education
Precollege Education
Students
Technology
Interactive Deployment
High-Performance & Parallel Computing (HPC)
See Also: Technology Guide
PURCHASE
Online Store
Other Ways to Buy
Volume & Site Licensing
Contact Sales
Software
Service
Upgrades
Training
Books
FOR USERS
All User Resources
Product Registration
Technical Support
Customer Service
Developer Support
Does My Site Have a License?
Free Seminars
Learning Center
Training
Custom Group Seminars
Documentation & Examples
Tutorial Screencasts
Video Gallery
Demonstrations Project
Education Portal
Student Resources
COMPANY
About Wolfram Research
News & Events
Wolfram Blog
Employment Opportunities
History of
Mathematica
Stephen Wolfram's Home Page
Contact Us
OUR SITES
Wolfram|Alpha
Demonstrations Project
Wolfram Blog
MathWorld
Integrator
Wolfram Functions Site
Mathematica Journal
Wolfram Library Archive
Wolfram
Tones
Wolfram Science
Stephen Wolfram
DOCUMENTATION CENTER SEARCH
Mathematica
>
Mathematics and Algorithms
>
Mathematical Functions
>
Special Functions
>
Bessel-Related Functions
>
Built-in
Mathematica
Symbol
Special Functions
Tutorials »
|
BesselK
AiryBi
BesselJ
BesselY
See Also »
|
Bessel-Related Functions
Continued Fractions & Rational Approximations
Special Functions
More About »
BesselI
BesselI
[
n
,
z
]
gives the modified Bessel function of the first kind
.
MORE INFORMATION
Mathematical function, suitable for both symbolic and numerical manipulation.
satisfies the differential equation
.
BesselI
[
n
,
z
]
has a branch cut discontinuity in the complex
z
plane running from
to
.
FullSimplify
and
FunctionExpand
include transformation rules for
BesselI
.
For certain special arguments,
BesselI
automatically evaluates to exact values.
BesselI
can be evaluated to arbitrary numerical precision.
BesselI
automatically threads over lists.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
Evaluate numerically:
In[1]:=
Out[1]=
Plot
:
In[1]:=
Out[1]=
In[1]:=
Out[1]=
Scope
(5)
Generalizations & Extensions
(1)
Applications
(1)
Properties & Relations
(4)
Possible Issues
(1)
Neat Examples
(1)
SEE ALSO
BesselK
AiryBi
BesselJ
BesselY
TUTORIALS
Special Functions
RELATED LINKS
Demonstrations with BesselI
(
Wolfram Demonstrations Project
)
MathWorld
The Wolfram Functions Site
NKS|Online
(
A New Kind of Science
)
MORE ABOUT
Bessel-Related Functions
Continued Fractions & Rational Approximations
Special Functions
New in 1 | Last modified in 4
. 
satisfies the differential equation 
. 
to 
.
EXAMPLES
Basic Examples 
Scope 