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split

  • To: mathgroup at smc.vnet.net
  • Subject: [mg73572] split
  • From: Arkadiusz.Majka at gmail.com
  • Date: Thu, 22 Feb 2007 04:30:58 -0500 (EST)

Hi,

I want to split a list, say

z = {1, 3, 2, 6, 4, 7, 5,1,7};

into sublist of elements that are less or equal 3.

so I want to obtain

{{1,3,2},{6,4,7,5},{1},{7}}

How to do it? Probably by applying Split, but what to put in Test?

Split[z,#<=3&] gives :

{{1, 3, 2, 6}, {4}, {7}, {5}, {1, 7}}

Why 6 was put in first sublist together with 1, 3, and 2 since 6>3 and
should be together with 4 in the second sublist?

Thanks,

Arek



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