# BesselJ

*Computation of the Bessel J-function, Anger J-function, Weber E-function, and Anger-Weber function, of a complex variable.*

The order of the Bessel J-function implemented in this package can be a 
complex number with real part larger than -0.5, or any integer. 
There is no restriction for the Anger J-function and the Weber E-function. 
For the Anger-Weber function, the order must be a non-integer 
complex number with real part larger than -0.5.

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![](https://raw.githubusercontent.com/stla/BesselJ/main/images/BesselJ-nu3.png)

![](https://raw.githubusercontent.com/stla/BesselJ/main/images/BesselJ_nu3-3i.png)

![](https://raw.githubusercontent.com/stla/BesselJ/main/images/AngerJ_nu3.png)

![](https://raw.githubusercontent.com/stla/BesselJ/main/images/WeberE_nu3.png)

![](https://raw.githubusercontent.com/stla/BesselJ/main/images/AngerWeber.png)

![](https://raw.githubusercontent.com/stla/BesselJ/main/images/AngerWeber_sobel.png)