Re: Intersection problem
- To: mathgroup at smc.vnet.net
- Subject: [mg125973] Re: Intersection problem
- From: "Harvey P. Dale" <hpd1 at nyu.edu>
- Date: Wed, 11 Apr 2012 18:14:57 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <201204100627.CAA10654@smc.vnet.net>
Cisco:
Select[{{a,x},{b,y},{c,z}},MemberQ[#,(b|c|d)]&]
Best,
Harvey
-----Original Message-----
From: Cisco Lane [mailto:travlorf at yahoo.com]
Sent: Tuesday, April 10, 2012 2:27 AM
To: mathgroup at smc.vnet.net
Subject: [mg125973] Intersection problem
I need to select out the elements of the first list whose first elements
are contained in the second list. For example
first list: {{a,x},{b,y},{c,z}}
second list: {b,c,d}
result: {{b,y},{c,z}}
Is there a quick way to do this? Intersection, maybe somehow?
- References:
- Intersection problem
- From: Cisco Lane <travlorf@yahoo.com>
- Intersection problem