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From Jörg Schaible <Joerg.Schai...@Elsag-Solutions.com>
Subject RE: Computing values for f(x,y) [math]
Date Fri, 10 Sep 2004 05:59:07 GMT
Fernando Matias Valadão wrote on Thursday, September 09, 2004 9:22 PM:

> Thank you very much, Shing!
> That's exactly what I need, but unfortunately, it's not open
> source ;( Does anybody know another API/framework like JEP
> that is open source? Thanks!

JEXL ?

http://jakarta.apache.org/commons/jexl/

- Jörg

> 
> Fernando
> 
> ----- Original Message -----
> From: "Shing Hing Man" <matmsh@yahoo.com>
> To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>;
> "Fernando_Matias_Valadão" <fernandovaladao@mg.unitech.com.br>
> Sent: Thursday, September 09, 2004 3:55 PM
> Subject: Re: Computing values for f(x,y) [math]
> 
> 
>> I do not know whether common Maths allow you to
>> evaluate
>> a user defined function.
>> But you certainly can do it using Java Experssion
>> Parser
>>   http://www.singularsys.com/jep/
>> 
>> 
>> Shing
>> 
>>  --- Fernando_Matias_Valadão <fernandovaladao@mg.unitech.com.br>
>> wrote:
>>> Hello, people!
>>> 
>>> I'm developing a Java project that I need to do
>>> something like this:
>>> 1 - Define a function like this, for example: f(x,y) = 2*x + y/3 + 5
>>> 2 - Compute a value for this function when I have
>>> values for "x" and "y"
>>> 
>>> I found out in thd docs that I can only find the
>>> roots for a function.
>>> Does anybody know if I can do this evalutation with
>>> Commons Math?
>>> If I can't, do you know any other API/framework that supports
>>> something like this? Thanks in advance
>>> 
>>> Fernando
>> 
>> =====
>> Home page :
>>   http://uk.geocities.com/matmsh/index.html
>> 
>> 
>> 
>> 
>> 
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> 
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