[Scilab-users] Accidentally displaying huge matrices

[Stéphane Mottelet]

Le 22/05/2015 02:42, Antoine Monmayrant a écrit :
>   
> Le Jeudi 21 Mai 2015 17:48 CEST, Tim Wescott <tim at wescottdesign.com> a écrit:
>   
>> If you're working with something humongous and you do some operation
>> that displays, it takes forever before your mistake is done displaying.
>>
>> E.g., if x is 100000 elements long and you type
>>
>> y = exp(x)
>>
>> instead of
>>
>> y = exp(x);
>>
>> So I have two questions:
>>
>> First, is there a way to get it to stop?  ctrl-C does not do the job.
>>
>> Second, if not, could someone file an enhancement request, or remind me
>> how to do it?
>>
>> TIA
>>
>> -- 
>>
>> Tim Wescott
>> www.wescottdesign.com
>> Control & Communications systems, circuit & software design.
>> Phone: 503.631.7815
>> Cell:  503.349.8432
>>
>>
>> _______________________________________________
>> users mailing list
>> users at lists.scilab.org
>> http://lists.scilab.org/mailman/listinfo/users
>>
> Me too!
> If there is a way to interrupt the display of a huge variable, I'll be happy to know it.
> If not, it's worth writting a feature request.
> It's a common mistake to forget a ";" when doing some data processing/debugging on the fly and it's such a pain to wait forever for your "fat-fingering" to finish.
> To misquote xkcd ( https://xkcd.com/303/ ):
>
> <<The #1 scilab user excuse for legitimately slacking off: "my data is displaying".>>
>
> Antoine
>   
>   
>
>
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> users mailing list
> users at lists.scilab.org
> http://lists.scilab.org/mailman/listinfo/users
Hello,

Here's the behavior of Julia in such a situation, it displays dots in 
order that the matrix fits the console :

julia> a=rand(1000,1000)
1000x1000 Array{Float64,2}:
  0.297296   0.695023   0.12543   …  0.0390378  0.121275   0.797062
  0.402998   0.357607   0.191826     0.279725   0.0920303  0.467992
  0.157744   0.277739   0.171729     0.866273   0.515654   0.552807
  0.983393   0.295298   0.824318     0.0157045  0.0258212  0.0930282
  0.17687    0.316168   0.708928     0.0952159  0.0667878  0.393212
  0.854294   0.742688   0.976253  …  0.515331   0.665953   0.390016
  0.788685   0.223257   0.288901     0.144894   0.154689   0.29596
  0.355145   0.610686   0.3717       0.779741   0.234286   0.547859
  0.749667   0.48559    0.604402     0.100194   0.655009   0.806418
  0.990547   0.986391   0.578132     0.0591879  0.203927   0.299021
  ⋮                               ⋱
  0.974187   0.042388   0.899955     0.662621   0.524229   0.862864
  0.592462   0.0955458  0.335428     0.0547896  0.0658267  0.49732
  0.373501   0.729753   0.610205     0.111113   0.210496   0.547695
  0.156943   0.84622    0.814482     0.600968   0.544893   0.205719
  0.139698   0.030804   0.239184  …  0.737796   0.887846   0.547925
  0.706966   0.472414   0.911365     0.670605   0.984223   0.197314
  0.0927397  0.765639   0.261038     0.859728   0.808865   0.782755
  0.653529   0.358696   0.350873     0.581111   0.127847   0.461723
  0.0687691  0.317925   0.615902     0.610041   0.196348   0.219813

S.