Re: Separating square roots
- To: mathgroup at smc.vnet.net
- Subject: [mg127233] Re: Separating square roots
- From: "Dave Snead" <dsnead6 at charter.net>
- Date: Tue, 10 Jul 2012 03:17:46 -0400 (EDT)
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Use nosqrt = Select[A, FreeQ[#, Power[_, 1/2]] &] withsqrt=Select[A, ! FreeQ[#, Power[_, 1/2]] &] Cheers, Dave -----Original Message----- From: rhartley.anu at gmail.com Sent: Monday, July 09, 2012 9:42 PM To: mathgroup at smc.vnet.net Subject: [mg127233] Separating square roots I have an expression which is a sum of terms, some monomials and others involving square roots, such as A = 3 + 5 x^2 + 7 x + Sqrt[5+x] + 7 x Sqrt[5+x] (but much more complicated). I want to solve this, which involves separating terms with the square root from those that do not have a square root, then squaring each. I can not work out how to separate out those terms that have the square root. I do not want to hard code, such as nosqrt = A[[1]] + A[[2]] , etc. Can anyone help? r
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- Separating square roots
- From: rhartley.anu@gmail.com
- Separating square roots