Re: [Boost-users] complex matrix operations

Subject: Re: [Boost-users] complex matrix operations
From: Brian Budge (brian.budge_at_[hidden])
Date: 2011-08-31 13:58:32

On Wed, Aug 31, 2011 at 10:15 AM, Larry Evans <cppljevans_at_[hidden]> wrote:
> On 08/31/11 11:25, Brian Budge wrote:
>> On Wed, Aug 31, 2011 at 6:04 AM, sairamesh raghuraman
>> <generalsairamesh_at_[hidden]> wrote:
> [snip]
>>> Hello,
>>>
>>> I am looking for a C++ library that has routines for a variety of complex
>>> matrix decompositions (eigen, cholesky, singular value etc) and even complex
>>> matrix inverse, principal matrix logarthm of a complex matrix etc.  And the
>>> matrices which I am talking are pretty huge..can go upto 1024 x 1024 x 32.
> [snip]
>> I'm not positive if Eigen would fulfill your requirements, but it is
>> pretty generic and quite well optimized.
>>
>>   Brian
>
> Hi Brian,
>
> Based on:
>
>  1024 x 1024 x 32
>
> from Ramesh's post, I'm assuming he needs something more than a 2D
> array, and at least a 3D arraay; however, based on a quick look at:
>
> http://eigen.tuxfamily.org/dox/QuickRefPage.html#QuickRef_Types
>
> it appears Eigen only supplies 2D arrays.
>
> -regards,
> Larry
>
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Ah, but the types held by the 2D matrix can be vector types.  I'm
unsure how a 3D matrix would work without knowing special information
about each 2D element in any case.