[Math]

[Rodrigo di Lorenzo Lopes <br...@terra.com.br>]

Dears,

I´m working in very simple problem in Linear Programming and I´d like to 
help apache to improve jakarta-commons-math library.

My first question in this point is ... why getIdentity is protected ???

In revised simplex method, we use identity for initial basis matrix. In 
opengl, identity is usually used to initialize model view matrix. And so on.

Regards,
Rodrigo di Lorenzo Lopes


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Re: [Math]

[Phil Steitz <ph...@gmail.com>]

Rodrigo,

Thank you for your interest.  Ideas / patches / suggestions welcome! 
Feel free to post here or add things to the wiki here:
http://wiki.apache.org/jakarta-commons/MathWishList

Regarding your question on getIdentity, the answer is that this method
is not really a natural part of the interface for the matrix classes
themselves.  It is used internally by the inversion routines.

What I have just done to make this publicly available is to add
createIdentityMatrix methods to the MatrixUtils class, which is a more
natural place for it.  Hopefully, this will work for you.

Thanks again for your feedback and interest.  

Phil

On 5/18/05, Rodrigo di Lorenzo Lopes <br...@terra.com.br> wrote:
> Dears,
> 
> I´m working in very simple problem in Linear Programming and I´d like to
> help apache to improve jakarta-commons-math library.
> 
> My first question in this point is ... why getIdentity is protected ???
> 
> In revised simplex method, we use identity for initial basis matrix. In
> opengl, identity is usually used to initialize model view matrix. And so on.
> 
> Regards,
> Rodrigo di Lorenzo Lopes
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-dev-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-dev-help@jakarta.apache.org
> 
>

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