Solving for non moving points of a 1-D wave

In summary: So, to approximate a point using u(x,t), you would take the derivative with respect to t and set it equal to zero to find the x value for which u(x,t) does not depend on t:\left.\frac{du}{du}(u,t) = -\pi sin(\pi x)sin(\pi
  • #36
Oh...try graphing it for t=0.2 and t=0.4...do they still look stationary?
 
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  • #37
It definitely does not. So I did a bad job in choosing the appropriate time interval then? My graphs definitely made me think I'd be getting answers for nonmoving x values...
 
  • #38
regardless... Thank you very much for being so patient. It makes sense how you approached this problem now. once again, Thanks! :P
 

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