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Old February 11th, 2009, 08:40 PM
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Default Uniform convergence

Is a horizontal line uniformly convergent??

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Old February 11th, 2009, 09:26 PM
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Is a horizontal line uniformly convergent??

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as in f_n(x) = c for all n and x converging uniformly to f(x) = c (where c is a constant)?

you tell me, does this satisfy the definition of what it means to be uniformly convergent?
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Old February 11th, 2009, 09:35 PM
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I would say yes it is uniformly convergent. I have a line x=2.

So f_n(x)=2 and f(x)=2. Their difference is 0 implying uniform convergence.
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Old February 11th, 2009, 09:42 PM
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I would say yes it is uniformly convergent. I have a line x=2.

So f_n(x)=2 and f(x)=2. Their difference is 0 implying uniform convergence.
x = 2 is a vertical line. so unless you are interpreting it like f_n (y) = 2 or something, it won't make sense. but yeah, a difference of zero everywhere implies uniform convergence
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Old February 11th, 2009, 09:45 PM
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Oops that was dumb, I meant the line y=2. Sorry. Thank you!
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