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April 20th, 2014, 09:55 PM  #1 
Senior Member Joined: Nov 2013 Posts: 137 Thanks: 1  Spatial and temporal periods and periodic functions
A periodic function is one that , by definition. However, the argument can be function of space and time ( ), so exist 2 lines of development, one spatial and other temporal: or the both together: so, becomes obvius that is the analogus of , thus the correct wound't be say that a periodic function is one that ? 
April 21st, 2014, 08:09 AM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,268 Thanks: 2434 Math Focus: Mainly analysis and algebra 
I suspect that your confusion arises because the notation $nT$ suggests time. In reality a periodic function is one that repeats regularly repeats its values as the free parameter increases, whatever that parameter represents.


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functions, periodic, periods, spatial, temporal 
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