Showing uniform convergence (or lack of) on [0,1]

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SUMMARY

The discussion focuses on determining the uniform convergence of the function sin(nx) on the interval [0,1]. It concludes that sin(nx) does not converge uniformly, as evidenced by the oscillatory behavior of the function, which oscillates between -1 and 1. The Weierstrass M-test is mentioned as a potential method for proving non-uniform convergence, but the function fails to converge pointwise as well.

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  • Concept of oscillatory functions
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dracond
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Homework Statement



Hello! I've been tasked with figuring out if the following is uniformly convergent on [0,1] and I could use push in the right direction:

sin(nx)


Homework Equations





The Attempt at a Solution



Would picking M=1 in the weierstrass-m test show it not uniformly convergent?
 
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Does it even converge pointwise?
 
Oops, it oscillates between [-1,1], no?
so does not converge pointwise.
 

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