- Document Solutions for Excel, .NET Edition Overview
- Key Features
- Getting Started
- Features
- Templates
-
Formula Reference
- Add-in and Automation Functions
- Compatibility Functions
- Database Functions
- Date and Time Functions
-
Engineering Functions
- BESSELI
- BESSELJ
- BESSELK
- BESSELY
- BIN2DEC
- BIN2HEX
- BIN2OCT
- BITAND
- BITLSHIFT
- BITOR
- BITRSHIFT
- BITXOR
- COMPLEX
- CONVERT
- DEC2BIN
- DEC2HEX
- DEC2OCT
- DELTA
- ERF
- ERF.PRECISE
- ERFC
- ERFC.PRECISE
- GESTEP
- HEX2BIN
- HEX2DEC
- HEX2OCT
- IMABS
- IMAGINARY
- IMARGUMENT
- IMCONJUGATE
- IMCOS
- IMCOSH
- IMCOT
- IMCSC
- IMCSCH
- IMDIV
- IMEXP
- IMLN
- IMLOG10
- IMLOG2
- IMPOWER
- IMPRODUCT
- IMREAL
- IMSEC
- IMSECH
- IMSIN
- IMSINH
- IMSQRT
- IMSUB
- IMSUM
- IMTAN
- OCT2BIN
- OCT2DEC
- OCT2HEX
- Financial Functions
- Information Functions
- Logical Functions
- Lookup and Reference Functions
- Math and Trigonometry Functions
- Statistical Functions
- Text Functions
- Web Functions
- File Operations
- Document Solutions Data Viewer
- API Reference
- Release Notes
BESSELI
This function calculates the modified Bessel function of the first kind evaluated for purely imaginary arguments.
Syntax
BESSELI(value, order)
Arguments
This function has these arguments:
Argument | Description |
|---|---|
value | [Required] Value at which to evaluate the function |
order | [Required] Number representing the order of the function; if it is not an integer, it is truncated |
Remarks
If the value or order is non-numeric then a #VALUE! error is returned. If the order is less than 0 then the #NUM! error is returned.
Examples
BESSELI(A4,D5)
BESSELI(R4C1,R5C4)
BESSELI(1.8,2) gives the result 0.5260402117