problem solving functions



Hi Barton,

this is pretty cool. Did you write a documentation?

Volker


Barton Willis schrieb:
> Newer version of to_poly_solver:
>
> (%i39) load("to_poly_solver")$
> (%i40)  algexact : true$
>
> (%i41) to_poly_solve(5*x^(1/5)-3*x^2=0,x, 'simpfuncs = ['rectform,
> 'radcan]);
>
> (%o41) %union([x = 0],[x = 5^(5/9)/3^(5/9)])
>
> Barton
>
> -----maxima-bounces at math.utexas.edu wrote: -----
>
>   
>> To: Maximilian Kreuter <maxx at 2097.com>, Maxima at math.utexas.edu
>> From: Volker van Nek <volkervannek at googlemail.com>
>> Sent by: maxima-bounces at math.utexas.edu
>> Date: 05/14/2009 03:37PM
>> Subject: Re: [Maxima] problem solving functions
>>
>> Maybe you are looking for
>>
>> (%i1) load(topoly_solver);
>> (%o1)
>>
>> C:/PROGRA~1/MAXIMA~2.1/share/maxima/5.18.1/share/contrib/topoly_solver.mac
>> (%i2) to_poly_solve(5*x^(1/5)-3*x^2=0,x);
>> (%o2)                 [[x = 0], [x = 1.328156650911546]]
>>
>> HTH
>> Volker van Nek
>>
>>
>> Maximilian Kreuter schrieb:
>>     
>>>  If I try solving functions with fractional exponents I get results
>>>  containing a variable again...
>>>
>>>  e.g: solve(5*x^(1/5)-3*x^2=0,x);
>>>
>>>  -> [x=-(sqrt(5)*x^(1/10))/sqrt(3),x=(sqrt(5)*x^(1/10))/sqrt(3)]
>>>
>>>  What am I doing wrong?
>>>
>>>  Cheers
>>>
>>>  Maxx
>>>  _______________________________________________
>>>  Maxima mailing list
>>>  Maxima at math.utexas.edu
>>>  http://www.math.utexas.edu/mailman/listinfo/maxima
>>>
>>>
>>>       
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>
>
>