Re: Does Union[] reliably sort?
- To: mathgroup at smc.vnet.net
- Subject: [mg123664] Re: Does Union[] reliably sort?
- From: Shizu <slivo.vitz at msa.hinet.net>
- Date: Thu, 15 Dec 2011 04:52:31 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
Union[] is defined for "mathematical sets". The elements are sorted and repeated elements are deleted. With Join[], we can just concatenate lists together, without sorting or dropping.