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Re: calculating the azimuth between two lat/lon's

• To: mathgroup at smc.vnet.net
• Subject: [mg35007] Re: calculating the azimuth between two lat/lon's
• From: Peter <peter1963 at totalise.co.uk>
• Date: Wed, 19 Jun 2002 05:52:42 -0400 (EDT)
• References: <aec3co$4nl$1@smc.vnet.net> <aeh3ub$dq8$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Benjamin Tubb wrote:
 > There appears to be a syntax error in your code here for the Mod[] function,
 > in which you include three arguments when it only allows one. Please
 > clarify.
 >
 > CC=Mod[p[B]-p[A],2Pi,-Pi];
 >
 > "DrBob" <majort at cox-internet.com> wrote in message
 > news:<aec3co$4nl$1 at smc.vnet.net>...
 >
 >
 >>\[IndentingNewLine]CC =
 >
 >
 >>Mod[p[B] - p[A], 2 Pi, \(-Pi\)];
 >
 >
 > Benjamin Tubb
 >
 > brtubb at writeme.com
 >
 >
 >
 >
Benjamin,

See the help browser:

Mod[m, n, d] gives a result x such that d <= x <= d+n and x mod n == m mod n

So in this case the result lies in [-Pi,Pi]

Peter