[julia-users] Re: MatrixDepot.jl: A Test Matrix Collection

[cdm]

thank you for your fine work in this area ...

do not be surprised if you inspired some
to take on some of these collections:

   http://math.nist.gov/MatrixMarket/

   http://www.cise.ufl.edu/research/sparse/matrices/


well done and good show !

best,

cdm



On Thursday, December 11, 2014 12:30:23 AM UTC-8, Weijian Zhang wrote:
>
> Hello,
>
> So far I have included 20 matrices in Matrix Depot. I just modified the 
> function matrixdepot() so it should display information nicely.
>
> The repository is here: https://github.com/weijianzhang/MatrixDepot.jl
>
> The documentation is here: 
> http://nbviewer.ipython.org/github/weijianzhang/MatrixDepot.jl/blob/master/doc/juliadoc.ipynb
>
> Let me know how you feel about it and if you have any questions.
>
> Thanks,
>
> Weijian
>
>
>
>
>

[julia-users] Re: MatrixDepot.jl: A Test Matrix Collection

[Weijian Zhang]

Hi cdm,

Thanks a lot for the comments. 

Just for reference:
If you want to read matrices in the Matrix Market format, you can use 
MatrixMarket.jl (https://github.com/JuliaSparse/MatrixMarket.jl).
If your matrices are in Harwell Boeing Format, there is HarwellBoeing.jl 
(https://github.com/dpo/HarwellBoeing.jl)

Best wishes,

Weijian 

On Thursday, 11 December 2014 20:28:20 UTC, cdm wrote:
>
>
> thank you for your fine work in this area ...
>
> do not be surprised if you inspired some
> to take on some of these collections:
>
>http://math.nist.gov/MatrixMarket/
>
>http://www.cise.ufl.edu/research/sparse/matrices/
>
>
> well done and good show !
>
> best,
>
> cdm
>
>
>
> On Thursday, December 11, 2014 12:30:23 AM UTC-8, Weijian Zhang wrote:
>>
>> Hello,
>>
>> So far I have included 20 matrices in Matrix Depot. I just modified the 
>> function matrixdepot() so it should display information nicely.
>>
>> The repository is here: https://github.com/weijianzhang/MatrixDepot.jl
>>
>> The documentation is here: 
>> http://nbviewer.ipython.org/github/weijianzhang/MatrixDepot.jl/blob/master/doc/juliadoc.ipynb
>>
>> Let me know how you feel about it and if you have any questions.
>>
>> Thanks,
>>
>> Weijian
>>
>>
>>
>>
>>

[julia-users] Re: MatrixDepot.jl: A Test Matrix Collection

[cdm]

great references, Weijian ...

it turns out that the UF Sparse collection has a filed issue at:

   https://github.com/JuliaSparse/MatrixMarket.jl/issues/1


i understand that the UF Sparse collection is primarily
in Rutherford-Boeing format and that a read-in tool for
this may be in the works ...

best,

cdm


On Friday, December 12, 2014 12:09:41 PM UTC-8, Weijian Zhang wrote:
>
> Hi cdm,
>
> Thanks a lot for the comments. 
>
> Just for reference:
> If you want to read matrices in the Matrix Market format, you can use 
> MatrixMarket.jl (https://github.com/JuliaSparse/MatrixMarket.jl).
> If your matrices are in Harwell Boeing Format, there is HarwellBoeing.jl (
> https://github.com/dpo/HarwellBoeing.jl)
>
> Best wishes,
>
> Weijian
>

[julia-users] Re: MatrixDepot.jl: A Test Matrix Collection

[Christian Peel]

could you discuss the properties?  Can we add more properties?What do 
the 'inverse' and 'eigen' properties mean?   




On Friday, December 12, 2014 1:53:09 PM UTC-8, cdm wrote:
>
>
> great references, Weijian ...
>
> it turns out that the UF Sparse collection has a filed issue at:
>
>https://github.com/JuliaSparse/MatrixMarket.jl/issues/1
>
>
> i understand that the UF Sparse collection is primarily
> in Rutherford-Boeing format and that a read-in tool for
> this may be in the works ...
>
> best,
>
> cdm
>
>
> On Friday, December 12, 2014 12:09:41 PM UTC-8, Weijian Zhang wrote:
>>
>> Hi cdm,
>>
>> Thanks a lot for the comments. 
>>
>> Just for reference:
>> If you want to read matrices in the Matrix Market format, you can use 
>> MatrixMarket.jl (https://github.com/JuliaSparse/MatrixMarket.jl).
>> If your matrices are in Harwell Boeing Format, there is HarwellBoeing.jl (
>> https://github.com/dpo/HarwellBoeing.jl)
>>
>> Best wishes,
>>
>> Weijian
>>
>

[julia-users] Re: MatrixDepot.jl: A Test Matrix Collection

[Weijian Zhang]

Hi Christian,

> could you discuss the properties?   What do the 'inverse' and 'eigen' 
properties mean?   

That's a very good question. Here is the answer:

* "inverse" : the inverse of the matrix is known explicitly.
* "ill-cond" : the matrix is ill-conditioned for some parameter values (NOT 
all).
* "symmetric" : as above.
* "pos -def": as above.
* "eigen": something is known about the eigensystem (eigenvalues, 
eigenvectors, bounds of eigenvalues etc.)

I will add more details in the next version.

> Can we add more properties? 

Yes, of course. Currently, you can add your properties to the matrixclass 
inside "src/higham.jl" then modify the function matrixdepot() inside 
"src/MatrixDepot.jl" a bit 
then everything will work. But this is not nice, right? I will add some 
features so that you can add your properties easily in the next version. 

Thanks for your questions.

Weijian
   
 
On Saturday, 13 December 2014 00:12:13 UTC, Christian Peel wrote:
>
> could you discuss the properties?  Can we add more properties?What do 
> the 'inverse' and 'eigen' properties mean?   
>
>
>
>
> On Friday, December 12, 2014 1:53:09 PM UTC-8, cdm wrote:
>>
>>
>> great references, Weijian ...
>>
>> it turns out that the UF Sparse collection has a filed issue at:
>>
>>https://github.com/JuliaSparse/MatrixMarket.jl/issues/1
>>
>>
>> i understand that the UF Sparse collection is primarily
>> in Rutherford-Boeing format and that a read-in tool for
>> this may be in the works ...
>>
>> best,
>>
>> cdm
>>
>>
>> On Friday, December 12, 2014 12:09:41 PM UTC-8, Weijian Zhang wrote:
>>>
>>> Hi cdm,
>>>
>>> Thanks a lot for the comments. 
>>>
>>> Just for reference:
>>> If you want to read matrices in the Matrix Market format, you can use 
>>> MatrixMarket.jl (https://github.com/JuliaSparse/MatrixMarket.jl).
>>> If your matrices are in Harwell Boeing Format, there is HarwellBoeing.jl 
>>> (https://github.com/dpo/HarwellBoeing.jl)
>>>
>>> Best wishes,
>>>
>>> Weijian
>>>
>>

[julia-users] Re: MatrixDepot.jl: A Test Matrix Collection

[Weijian Zhang]

Hello, 

Just want to let you know that MatrixDepot v0.0.3 
 is released.  Now you can 
add more properties using the macro @addproperty. Thanks for Christian's 
suggestions. 

The Documentation is 
here: 
http://nbviewer.ipython.org/github/weijianzhang/MatrixDepot.jl/blob/master/doc/juliadoc.ipynb

Please let me know how you feel about it.

Best wishes,

Weijian

On Saturday, 13 December 2014 00:12:13 UTC, Christian Peel wrote:
>
> could you discuss the properties?  Can we add more properties?What do 
> the 'inverse' and 'eigen' properties mean?   
>
>
>
>
> On Friday, December 12, 2014 1:53:09 PM UTC-8, cdm wrote:
>>
>>
>> great references, Weijian ...
>>
>> it turns out that the UF Sparse collection has a filed issue at:
>>
>>https://github.com/JuliaSparse/MatrixMarket.jl/issues/1
>>
>>
>> i understand that the UF Sparse collection is primarily
>> in Rutherford-Boeing format and that a read-in tool for
>> this may be in the works ...
>>
>> best,
>>
>> cdm
>>
>>
>> On Friday, December 12, 2014 12:09:41 PM UTC-8, Weijian Zhang wrote:
>>>
>>> Hi cdm,
>>>
>>> Thanks a lot for the comments. 
>>>
>>> Just for reference:
>>> If you want to read matrices in the Matrix Market format, you can use 
>>> MatrixMarket.jl (https://github.com/JuliaSparse/MatrixMarket.jl).
>>> If your matrices are in Harwell Boeing Format, there is HarwellBoeing.jl 
>>> (https://github.com/dpo/HarwellBoeing.jl)
>>>
>>> Best wishes,
>>>
>>> Weijian
>>>
>>