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Re: For 2014?


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


Am 07.01.2014 um 08:54 schrieb Costa Bravo:

> Ulrich Arndt wrote:
>>
>> 
l=Range[9];r=StringJoin[Riffle[ToString/@l,#]]&/@Tuples[{"+","-","*","/",""},8];Grid[{#,Extract[r,Position[ToExpression/@r,#]]}&/@(l+2010)]
>>
>  faster
>
> 
l=Range[9];re=ToExpression[r=StringJoin[Riffle[ToString/@l,#]]&/@Tuples[{"+","-","*","/",""},8]];Grid[{#,Extract[r,Position[re,#]]}&/@(l+2010)]
>
> --
>  Costa
>




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