Maxima functions for linear differential equations

> From: Edmond Orignac
> 
> Hello,
> 
> Below I am attaching a file for the solutions of various linear 
> differential equations related to the Bessel functions. 
> The functions solve the modified Bessel equation, the Airy equation,
> the Scorer equation and the Lommel/Struve/Anger-Weber equations. 
> These equations are not integrated by ode2 or contrib_ode (but some of
> them can be integrated  by odelin.lisp). 
> I have tried to use existing maxima notations for the 
> results, i.e. the
> struve function is represented as hstruve[n](x) as in the specint
> package. However, the order of the parameters in slommel is not
> indicated in the specint documentation, so there could be some
> incompatibility. Also, the scorer_gi, anger_j, weber_e functions
> are not defined anywhere in maxima. 
> 
> Another function is solving the Lam? equation in polynomial form. 
> 
> I hope these maxima functions can be polished and included in a future
> release. 
> 
> Best,
> 
> E. Orignac  

Hi Edmond,

I will have a look at this and see how it fits into contrib_ode.
I am just not sure when.  Could be months  :-(

I have Barton Willis's odelin.lisp integrated into contrib_ode
in my sandbox, but haven't found the time to finish that a few months.  

I will raise the issue of new special functions in a separate post.

	David


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