Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2005
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Re: Threading 'Append'


Andrzej Kozlowski wrote:

>On 6 Dec 2005, at 03:40, J Siehler wrote:
>
>  
>
>>If I run
>>
>>Thread[Append[{{1,2},{3,4},{5,6}},{a,b,c}]]
>>
>>I would expect to get
>>
>>{{1,2,a},{3,4,b},{5,6,c}}
>>
>>but in fact I get an 'Objects of unequal length' error.
>>
>>On the other hand,
>>
>>Thread[foo[{{1,2},{3,4},{5,6}},{a,b,c}]]
>>%/.foo->Append
>>
>>gives what I wanted.  Can someone explain what's going on?
>>
>>    
>>
>
>All you need to do is:
>
>In[9]:=
>Thread[Unevaluated[Append[{{1, 2}, {3, 4}, {5, 6}},
>     {a, b, c}]]]
>
>Out[9]=
>{{1, 2, a}, {3, 4, b}, {5, 6, c}}
>
>
>The name of the function "Unevaluated" should make it self evident  
>what happened here (I hope).
>  
>
Actually it is not. Can you please elaborate

Pratik

>Andrzej Kozlowski
>
>  
>


  • Prev by Date: Re: Formatting GridBox with ColumnAlignments
  • Next by Date: Re: Types in Mathematica thread
  • Previous by thread: Re: Threading 'Append'
  • Next by thread: Re: Re: Re: Threading 'Append'