How to get elements satisfying specific condition from a list
- To: mathgroup at smc.vnet.net
- Subject: [mg123371] How to get elements satisfying specific condition from a list
- From: e-changb <e-changb at hanmail.net>
- Date: Sun, 4 Dec 2011 02:51:23 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
Hi, please help me if you can.. Let B:= Table[{x, y}, {x, 1, 6}, {y, 1, 6}] It is clear that B has 36 elements. I want to get the list of elements satisfying 'the first component + second component is bigger than 9' so that the answer is {{5,5},{5,6},{6,5},{6,6}}. In fact, I have no idea for following even simpler problem. : Let A be a set of all natural numbers less than 10. Find every element whose squre root is bigger than 2. (needless to say the answer is {5,6,7,8,9}) Can you help me ?
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- From: "Harvey P. Dale" <hpd1@nyu.edu>
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