Re: unwrapping ArcTan
- To: mathgroup at smc.vnet.net
- Subject: [mg13744] Re: unwrapping ArcTan
- From: Daniel Lichtblau <danl>
- Date: Wed, 19 Aug 1998 01:38:32 -0400
- Organization: Wolfram Research, Inc.
- References: <6qp3g7$aka@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Linda Rogers wrote: > > Is there code for "unwrapping" the ArcTan, so that one has a smooth > function of phase that increases, adding 2 Pi every time a cycle is > completed? > Thanks, > Linda Rogers You might want to check the archives for May, 1998 for this news group http://www.wolfram.com/cgi-bin/mathgroup/1998/May Look for responses to message #12213, which was in essence the same as yours but in terms of Arg rather than ArcTan. The one I liked best I include below. Daniel Lichtblau Wolfram Research