March 23rd, 2018, 04:54 AM  #1 
Senior Member Joined: Jan 2016 From: Blackpool Posts: 103 Thanks: 2  Poles question
Find the poles of the $\frac{z}{z^4+1}$ For this question will the poles be the value of z for which z^4+1=0?

March 23rd, 2018, 05:21 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,372 Thanks: 2009 
You seem to have omitted a word, but yes.

March 23rd, 2018, 06:22 AM  #3  
Senior Member Joined: Sep 2016 From: USA Posts: 578 Thanks: 345 Math Focus: Dynamical systems, analytic function theory, numerics  Quote:
\[f(z) = \frac{\sin(\pi z^4)}{1+z^4} \] which does not have any poles.  

Tags 
poles, question 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Where are north and south poles in circular magnet?  MMath  Physics  6  July 22nd, 2016 03:34 AM 
I have a question about sine and cosine transform, and the question also includes a H  sCoRPion  Differential Equations  0  March 16th, 2015 01:05 PM 
Poles, complex integration  Burn  Complex Analysis  8  May 18th, 2013 12:44 PM 
sum, zeros, poles  xboxlive89128  Complex Analysis  1  February 19th, 2010 03:20 PM 
Stats question: The Secretary Question word problem  pudro  Algebra  0  November 10th, 2008 08:12 PM 