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MathGroup Archive 2005

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Re: MapThread

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57038] Re: [mg56998] MapThread
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Thu, 12 May 2005 22:44:20 -0400 (EDT)
  • Reply-to: hanlonr at cox.net
  • Sender: owner-wri-mathgroup at wolfram.com

states={1,2,3,4,5,6,7,8,9,10,11,12,13,14};
stim={33,44,55,66,77};

MapThread[(states[[#1]]=#2)&,
    {Range[3,11,2],stim}];
states

{1,2,33,4,44,6,55,8,66,10,77,12,13,14}


Bob Hanlon

> 
> From: Swati Shah <swatshah at gmail.com>
To: mathgroup at smc.vnet.net
> Date: 2005/05/12 Thu AM 02:32:41 EDT
> Subject: [mg57038] [mg56998] MapThread
> 
> Hi Everyone,
> 
> I have been working on the following problem:
> 
> states = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
> 
> stim = {33, 44, 55, 66, 77}
> 
> 
> The locations of state 3,5,7,9,11 to be equal 33,44,55,66,77
> 
> MapThread[{#1 = #2} &, {Take [states, {3, 12, 2}], stim}]
> 
> I tried to the above but it gives me errors:
> Set::setraw: Cannot assign to raw object 3
> 
> However these work individually:
> MapThread[#1 &, {Take [states, {3, 12, 2}], stim}]
> MapThread[ #2 &, {Take [states, {3, 12, 2}], stim}]
> 
> Any ideas?
> 
> Thanks in advance
> 
> 


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