Re: [ojAlgo-user] Future of Jama

[Anders P. <ap...@op...>]

Anders Peterson wrote:
>> part, I do not clearly see its advantage with respect to Jama.  The 
>> names
>> of the methods are different ... but, in SVD for instance, I would 
>> not get
>> any functionality in its present version.  That is exactly where new 
>> methods to the SVD part of ojAlgo would be very useful.  E.g., solving a
>> overdetermined system of linear equation with SVD.
> The other aspect is that, if one restricts ojAlgo to the linear algebra
> I've added a fair bit of "OO" (abstractions and extensibility) to 
> ojAlgo compared to Jama, and I've manged to do that without loosing 
> performance.
>
> I also think that using BasicMatrix is as easy as using Jama, but you 
> have the option to start using BasicArray and MatrixStore directly if 
> need to.
>
> The ojAlgo SVD interface gives you the pseudoinverse.
>
> http://ojalgo.org/generated/org/ojalgo/matrix/decomposition/SingularValue.html#getPseudoinverse() 
>
>> If you want me to be more specific, let me know.
> Give me code examples (typical to what you want to do) where Jama, or 
> some other package, performs better and I'll try to "fix" the problem.

I forgot to mention that ojAlgo is multi-threaded when doing matrix 
multiplication.

/Anders