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November 11th, 2009, 03:06 PM  #1 
Newbie Joined: Jun 2009 Posts: 28 Thanks: 1  Can complex numbers (and properties of complex numbers) be..
Can complex numbers and properties of complex numbers be applied in realworld problems? If so, please give an example problem. Also, are there any practical uses for finding the nth roots of unity?

October 13th, 2014, 01:41 PM  #2 
Newbie Joined: Sep 2014 From: Hull Posts: 13 Thanks: 0 
There are several applications of complex numbers in science and engineering, in particular in electrical alternating current theory and in mechanical vector analysis. 
October 13th, 2014, 04:03 PM  #3  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 937 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Quote:
Well, probably, but the main reason you're doing it is for practice working with complex numbers rather than because of any special applications of that particular form. It's like learning how to make a mold for a particular shape: sure, that shape might not be useful, but the real skill is making molds in general, which obviously has lots of applications.  

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