[Scilab-users] log10 doesn't support hyperarrays

[Federico Miyara]

Stéphane,

Thanks.

Federico

On 21/01/2020 06:14, Stéphane Mottelet wrote:
>
> Hi Frederico,
>
> You are right, we have to (and will) fix this before the release
>
> S.
>
> Le 21/01/2020 à 09:41, Federico Miyara a écrit :
>>
>> Dear all,
>>
>> I've noticed that log10 doesn't support hyperarrays, while log 
>> (natural logrithm) does (even if the documantation in both cases says 
>> they are applicable to vectors and matrices:
>>
>> a = rand(3,2,2);
>> b = log(a)
>> c = log10(a)
>> d = log(a)/log(10)
>>
>> --> b = log(a)
>>  b  =
>>
>> (:,:,1)
>>
>>   -0.6847401  -0.0808957
>>   -1.051648   -0.0525378
>>   -0.9483546  -1.06847
>> (:,:,2)
>>
>>   -0.9781346  -0.6944493
>>   -0.3091181  -1.3323448
>>   -1.3410298  -0.6436786
>>
>> --> c = log10(a)
>>  c  =
>>
>>   -0.2973788  -0.0351326
>>   -0.4567249  -0.0228169
>>   -0.4118652  -0.4640306
>>
>> --> d = log(a)/log(10)
>>  d  =
>>
>> (:,:,1)
>>
>>   -0.2973788  -0.0351326
>>   -0.4567249  -0.0228169
>>   -0.4118652  -0.4640306
>> (:,:,2)
>>
>>   -0.4247984  -0.3015955
>>   -0.1342483  -0.57863
>>   -0.5824019  -0.279546
>>
>> As can be seen, log10 is yielding just the first page.
>>
>> It's strange, since log10 can be easily obtained from log, but both 
>> functions are primitives
>>
>> Regards,
>>
>> Federico Miyara
>>
>>
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> -- 
> Stéphane Mottelet
> Ingénieur de recherche
> EA 4297 Transformations Intégrées de la Matière Renouvelable
> Département Génie des Procédés Industriels
> Sorbonne Universités - Université de Technologie de Compiègne
> CS 60319, 60203 Compiègne cedex
> Tel : +33(0)344234688
> http://www.utc.fr/~mottelet
>
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