[Scilab-users] CLR design component is not clear in scilab 6.0.2 x64 W10

[Pierre PERRICHON]

Dear all, dear Samuel,

 

Many thanks for your gallery

For me the better d

 

 



 

> Message du 31/10/19 00:16
> De : "Samuel Gougeon" 
> A : users at lists.scilab.org
> Copie à : 
> Objet : Re: [Scilab-users] CLR design component is not clear in scilab 6.0.2 x64 W10
> 
>
Le 30/10/2019 à 23:25, Federico Miyara a écrit :
>

> Samuel,
> 
> In another e-mail that for some reason was not sent (and was completely deleted...) I mentioned this page https://en.wikipedia.org/wiki/List_of_mathematical_symbols and standard ISO 80000-2, which in its clause 9, item 2.9.5 
> I have well received it, but in private, and ending with this reference, that is not public (to buy)
> (not sure that i can access to it from my University. Will try later).

> 
>

says that symbol for multiplication is either · or ×, and that they can be omitted if no misunderstanding is possible, and presents two examples of omission, one with space, such as a b, and one without space, such as ab (I suppose this is when one has been already using a and b or they are immediately explained).
> 
> 
>

> Thanks for this explicitness.
>


> I like the space more, it is more general and the only situation where it would be ambiguous is between numbers, such as 1.234 58 (since the thousand separator is a short space according to the ISO-BIPM GUM), but between numbers × is customary.
> 
> It would be very hard (and easily prone to errors, due to many specific cases, using parentheses, etc) to parse the input to detect all possible cases (1-char symbols, multiple-char symbols, literal numbers with or without exponential notations, real or complex, etc) and adapt the multiplication symbol accordingly.
> 
> We might even define a "Ts.s=2" structure field in the context, and use it in the input. It works.
> ;-)
> 
> A final possible gallery:
>

>     

>  

 

>    

> 
>

> Regards
>


>


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