Re: proposal for new m-file function

[Ben Abbott]

On Mar 26, 2012, at 9:53 AM, c. wrote:

> On 26 Mar 2012, at 15:23, Ben Abbott wrote:
> 
>> I've replied and mentioned our concerns about the terms of use, and linked 
>> to the parts that are worrisome for us.
> As far as I understand if he could just send the file via email to the list 
> it would be OK for us to use it, right?
> c.

Jonas has emailed me the files (he is also cc'd on this email).

I'll start working on a changeset, which will include tests. demos, and the 
tex-info documentation.

Ben


Begin forwarded message:

> From: Lundgren Jonas <address@hidden>
> Subject: RE: ppfit.m and Octave
> Date: March 26, 2012 9:43:29 AM EDT
> To: Ben Abbott <address@hidden>
> 
> Hi Ben,
> 
> Attached to this message you find my tools splinefit, ppint and ppdiff. You 
> have my permisson to use the code in the Octave project if you want to. You 
> will find my terms of use in the attached file <license.txt>.
> 
> Regards
> Jonas Lundgren
> 
> 
> -----Original Message-----
> From: Ben Abbott [mailto:address@hidden 
> Sent: den 26 mars 2012 14:41
> To: Lundgren Jonas
> Cc: Ben Abbott
> Subject: Re: ppfit.m and Octave
> 
> Hi Jonas,
> 
> I neglected to include a second part of the terms of use that looks troubling.
> 
> http://www.mathworks.com/matlabcentral/termsofuse.html#content
> 
> 2. Content
> iii. Content that you submit must not directly compete with products offered 
> by MathWorks. Content submitted to File Exchange may only be used with 
> MathWorks products.
> 
> Again, Octave may not be the intended target of this language, but we'd 
> prefer to stay clear of it anyway.
> 
> Ben
> 
> On Mar 26, 2012, at 8:26 AM, Ben Abbott wrote:
> 
>> Hi Jonas,
>> 
>> Octave's developers are weary of using code from Matlab's FileExchange. 
>> Their terms of use appear a bit draconian.
>> 
>> http://www.mathworks.com/matlabcentral/termsofuse.html 
>> 
>> 1. Access to and use of the Site
>> b. You agree not to copy, reproduce, distribute, transmit, broadcast, 
>> display, sell, license, alter, modify, create derivate works from, frame, 
>> mirror or otherwise exploit any part of the Site unless explicitly permitted 
>> by MathWorks. MathWorks and its licensors reserve all rights not expressly 
>> granted in and to the Site and the Content. "Content" includes the text, 
>> software, scripts, graphics, photos, sounds, music, videos, audiovisual 
>> combinations, interactive features, and all other materials you may view on, 
>> access through, or contribute to the Site.
>> 
>> This seems to indicate that using code, from Matlab's FileExchange, in an 
>> open-source project is a violation of their terms of use.
>> 
>> That interpretation may be wrong, but the developers decided it is best to 
>> be safe.
>> 
>> Is your splinefit.m available from your www.assembla.com site ?
>> 
>> Regards
>> Ben
>> 
>> On Mar 26, 2012, at 1:15 AM, Lundgren Jonas wrote:
>> 
>>> Hi Ben,
>>> 
>>> I have replaced ppfit by splinefit. The new routine is faster and more 
>>> general. The ouput is still a piece-wise polynomial. So I recommend 
>>> splinefit for Octave.
>>> 
>>> http://www.mathworks.com/matlabcentral/fileexchange/13812-splinefit
>>> 
>>> Regards
>>> Jonas
>>> 
>>> -----Original Message-----
>>> From: Ben Abbott [mailto:address@hidden 
>>> Sent: den 24 mars 2012 16:06
>>> To: Lundgren Jonas
>>> Cc: Ben Abbott
>>> Subject: ppfit.m and Octave
>>> 
>>> Jonas,
>>> 
>>> I'm one of the developers of Octave.
>>> 
>>> Octave is a GPL alternative to Matlab. The Octave language is quite similar 
>>> to Matlab so that most programs are easily portable.
>>> 
>>>     http://www.gnu.org/software/octave/
>>> 
>>> We think your ppfit (linked to below) would be a nice addition to Octave's 
>>> other piece-wise polynomial functions.
>>> 
>>>     
>>> https://www.assembla.com/code/zaxxon_scripts/subversion/nodes/trunk/project/scripts/ppfit.m
>>> 
>>> Before proceeding I thought it appropriate to check with you in case you 
>>> have any concerns.
>>> 
>>> Regards,
>>> Ben
>>> 
>> 
>

splinefit.m
Description: Binary data

license.txt
Description: Text document

ppdiff.m
Description: Binary data

ppint.m
Description: Binary data

>