[Scilab-users] circshift() : Scilab Enhancement Proposal

[Samuel Gougeon]

Hello Antoine,

Thanks for your time to have read this proposal and comment it.

I am afraid i don't catch your first point. As far as i understand your 
suggestion, the last existing example with an hypermatrix of texts 
already fulfills it.
For my part, in examples, i think it is better to show results as often 
as possible, not only the code. Since there is presently no way to 
display examples by default in a fold way (at least in the native Scilab 
help browser/viewer, with a "+/-" clickable switch), this makes quite 
long pages that requires to be scrolled a lot. By the way, as soon as 
hypermatrices are involved, displayed results are still more lengthy. 
So, in my opinion, there is a compromise.

About the order of multiple crossed or parallel or mixed shifts: no, the 
order does not matter. One gets the same result whatever the order is.

Happy new year 2018 to you and to every scilaber.
Have nice projects and involvements with Scilab and others.

Best wishes
Samuel

Le 03/01/2018 à 09:09, antoine monmayrant a écrit :
>
> Hi Samuel,
>
>
> Thanks a lot for this nice SEP.
> I have a couple of comments:
>
> 1) I think I should be good to also show some multidimensional 
> examples using "shifts" and using both "shifts" and "dims". Sometimes 
> in the scilab documentation, the user is served with examples only 
> covering the most basic usage and not the advanced one with N optional 
> arguments.
>
> 2) For multidimentional cshift, the order of the shifts (for example 
> shift  by N along the lines than shift by M along the columns or the 
> other way round) is key, right? Inverting the order would give a 
> different result, right? Should this be specified in the SEP:
>
> circshift(A, shifts) first circularly shifts indices of A rows by 
> shifts(1), then the indices of A columns by shifts(2), then indices of 
> A layers by shifts(3), etc.
>
> Cheers,
>
> Antoine
>
> (& Happy New Year to all!)
>
> Le 23/12/2017 à 19:06, Samuel Gougeon a écrit :
>> Dear co-scilabers,
>>
>> After the wish reported at http://bugzilla.scilab.org/7293 in 2010,
>> some cshift() function was proposed on the FileExchange at
>> http://fileexchange.scilab.org/toolboxes/161000 to provide a way
>> to circularly shift the rows or columns of a matrix or an hypermatrix.
>>
>> In order to include this basic but non-trivial feature in Scilab 6.1,
>> a Scilab Enhancement Proposal is posted on review at
>> https://codereview.scilab.org/#/c/19625/
>>
>> Proposed features are described in the help page in PDF format in 
>> attachment.
>>
>> Every comment is welcome.
>>
>> Best regards
>> Samuel Gougeon
>>
>>
>>
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>
>
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