Re: minimizing the absolute value of a complex number

*To*: mathgroup at smc.vnet.net*Subject*: [mg91508] Re: minimizing the absolute value of a complex number*From*: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>*Date*: Sun, 24 Aug 2008 07:07:27 -0400 (EDT)*Organization*: The Open University, Milton Keynes, UK*References*: <g8o88u$l81$1@smc.vnet.net>

shama shahbaz wrote: > cananybody tell me how to minimize the absolute value of the complex function > > exp(jP)+exp(2*pi/180j) > > where P is the unknown > > i have some clue regarding taking the Cos and Sin values but i dont know how to minimize the equations > > Re{exp(jP)}+Re{exp(2*pi/180j)}=0 > > Im{exp(jP)}+Im{exp(2*pi/180j)}=0 In[1]:= NMinimize[Abs[Exp[I P] + Exp[2*Pi/180 I]], P] Out[1]= {6.9816*10^-12, {P -> 3.1765}} Regards, -- Jean-Marc