Re: mat file opening

[Ben Abbott]

On Apr 13, 2012, at 5:41 PM, Levente Torok wrote:

> On Fri, Apr 13, 2012 at 11:39 PM, Ben Abbott <address@hidden> wrote:
> 
>> On Apr 13, 2012, at 5:35 PM, Levente Torok wrote:
>> 
>>> On Fri, Apr 13, 2012 at 11:07 PM, Ben Abbott <address@hidden> wrote:
>>> 
>>>> On Apr 13, 2012, at 3:27 PM, Levente Torok wrote:
>>>> 
>>>>> On Fri, Apr 13, 2012 at 6:29 PM, Jordi Gutiérrez Hermoso
>>>>> 
>>>>> <address@hidden> wrote:
>>>>>> Moving this discussion to the help list.
>>>>>> 
>>>>>> On 13 April 2012 09:56, Levente Torok <address@hidden> wrote:
>>>>>>> I have a problem in opening a mat file from matlab.
>>>>>>> https://rapidshare.com/files/3338344935/cora_wd.mat
>>>>>> 
>>>>>> Ew, rapidshare. Re-uploaded:
>>>>>> 
>>>>>>    http://jordi.platinum.linux.pl/tmp/cora_wd.mat
>>>>>> 
>>>>>>> Is there a good way I can debug this case, or can anybody help me what
>>>>>>> the problem is?
>>>>>> 
>>>>>> I don't know much about Matlab formats, but is this an HDF5 file using
>>>>>> compression?
>>>>>> 
>>>>>> - Jordi G. H.
>>>>> 
>>>> 
>>>>> Hi Jordi,
>>>>> 
>>>>> Well I don't know how to reverse engineer this format.
>>>>> hdfview doesn't like it at all.
>>>>> How did the developers of load function do it before?
>>>>> 
>>>>> Someone using windows + total commander might be more successful with
>>>>> opening it and checking the content have a hint on the format.
>>>>> I have no clue where to go with it.
>>>>> 
>>>>> Thanks,
>>>>> Lev
>>>> 
>>>> 
>>>> The first line indicates the file was supposed to be Matlab -v5. That's an 
>>>> old format, and is not dependent on HDF5.
>>>> 
>>>>        MATLAB 5.0 MAT-file, Platform: PCWIN64, Created on: Fri Feb 11 
>>>> 20:43:10 2011
>>>> 
>>>> My guess, is the file has been corrupted.
>>>> 
>>>> Ben
>>> 
>>> Thanks Ben,
>>> I see. If so, then interestingly both cora_ws.mat and nips_wd.mat are
>>> both corrupt.
>>> Lev
>> 
>> I haven't tried nips_wd.mat. Did you provide a link?
>> 
>> Ben

Ok. nips_wd.mat opens for me using Matlab R2011b and Octave. Looking at the 
header I see ...

        MATLAB 5.0 MAT-file, Platform: PCWIN64, Created on: Wed Apr 13 01:59:27 
2011

Looks like it is also v5. Looks like only cora_wd.mat has a problem.

Ben