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- Subject: Re: Symbolic equation solving in Lua
- From: Dirk Laurie <dirk.laurie@...>
- Date: Mon, 30 Apr 2018 19:34:26 +0200
2018-04-30 11:21 GMT+02:00 Hur Butun <hurbutun@gmail.com>:
> Is there a symbolic equation solver / package in Lua?
>
> I am trying to solve the Colebrook equation (below)
> https://www.engineeringtoolbox.com/colebrook-equation-d_1031.html
>
> I saw that there are some simple equation solvers available online but I
> couldn't find anything to solve an equation of this kind.
As that website says, the equation can only be solved by iteration,
except, as Vladimir says, you admit the Lambert W function into your
repertoire.
The best, if not the only, package allowing you to program in Lua
while accessing a formidable array of scientific software packages is
gsl-shell.
http://www.nongnu.org/gsl-shell
