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Groups > comp.soft-sys.math.mathematica > #16418
| From | Ulrich Arndt <ulrich.arndt@data2knowledge.de> |
|---|---|
| Newsgroups | comp.soft-sys.math.mathematica |
| Subject | Re: For 2014? |
| Date | 2014-01-13 07:14 +0000 |
| Message-ID | <lb03pg$dt3$1@smc.vnet.net> (permalink) |
| References | (3 earlier) <644455E9-F8F1-491C-9EFE-1198A90B8FED@wolfram.com> <la606o$faj$1@smc.vnet.net> <20140107075437.D0DF569ED@smc.vnet.net> <lao80v$pmm$1@smc.vnet.net> <20140112073203.5EAE569D4@smc.vnet.net> |
| Organization | Time-Warner Telecom |
Hahaha, it's sometimes to easy to fool yourself ;-).
I was always reading this in a way that it will be done only once as it the same for all calls...
Thanks Ulrich
Am 12.01.2014 um 08:32 schrieb Bogu=C5=9B:
> Ulrich Arndt wrote:
>> Yes, this is much faster - 5 times on my machine.
>> Problem is that we get 141 chars even if we replace the re by b ;-).
>>
>> But can someone explain the reason for the huge processing time difference?
>>
>> Ulrich
>>
>
>
> =
l=Range[9];r=StringJoin[Riffle[ToString/@l,#]]&/@Tuples[{"+","-","*","/",""},8];Grid[{#,Extract[r,Position[ToExpression/@r,#]]}&/@(l+2010)]
>
> Position[ToExpression/@r,#]
> ^^^^^ This is the slowest process. 9 times repeated
>
> --
> Costa
>
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Re: For 2014? Ulrich Arndt <ulrich.arndt@data2knowledge.de> - 2014-01-03 09:34 +0000
Re: For 2014? Costa Bravo <q13a27tt@aol.com> - 2014-01-07 07:49 +0000
Re: For 2014? Ulrich Arndt <ulrich.arndt@data2knowledge.de> - 2014-01-10 07:38 +0000
Re: For 2014? Boguś <telemorele@wp.pl> - 2014-01-12 07:24 +0000
Re: For 2014? Ulrich Arndt <ulrich.arndt@data2knowledge.de> - 2014-01-13 07:14 +0000
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