Re: [Maxima] Computational Engineering w/Maxima

[Juan Pablo Carbajal]

On Fri, Apr 19, 2013 at 7:11 PM, c. <address@hidden> wrote:
>
> On 19 Apr 2013, at 17:17, address@hidden wrote:
>
>>>  Maybe the situation has changed, but when i
>>> looked octave had only the most elementary stuff (it was many years
>>> ago). For the most interesting stuff (e.g. numerically solving PDEs)
>>> i think only matlab is adequate, or even has something.
>>
>> I know little about solving differential equations so I thought I'll
>> pass this on to you---does Octave have similar capabilities by now?
>
> There is a package in Octave [1] that allows solving PDEs in 1- 2- and 3D with
> a combination of Finite Elements and Finite Volume methods.
>
> This package was initially intended to be compatible with Matlab's PDEtoolbox 
> (which was 2d only).
>
> As far as I know, though, the PDEtoolbox was discontinued when Comsol decided 
> to make its Multiphysics simulation environment independent of Matlab (the 
> process also included a lawsuit between the two companies [2]).
>
> At the moment I think to have a pde solver in Matlab one needs to acquire 
> both a license for Matlab AND Comsol Multiphysics [3].
>
> So, as far as I can tell, it's more like Octave does have a PDE solver at the 
> moment while Matlab doesn't.
>
> c.
>
> P.S. There are actually more 3rd party PDE solvers available that work with 
> both Octave and Matlab,
> for example [4] and [5] to name but a few.
>
>
>
> [1] http://wiki.octave.org/Bim_package
> [2] 
> http://www.jonesday.com/jones-day-wins-case-involving-questions-of-software-copyrightability-11-26-2008/
> [3] 
> http://www.mathworks.it/products/connections/product_detail/product_35492.html
> [4] http://eidors3d.sourceforge.net/
> [5] http://geopdes.sourceforge.net/
>
>

Also Sundials, which has an octave interface
https://computation.llnl.gov/casc/sundials/main.html