Are downward and upward arrows notation for left and right limits?

woundedtiger4 · Nov 6, 2013

X downward arrow a (is it limit from left)
X upward arrow a (is it limit from right)
?

fzero · Nov 6, 2013

woundedtiger4 said:

X downward arrow a (is it limit from left)
X upward arrow a (is it limit from right)
?

It's the other way around. Up arrow means increasing value of ##x##, so limit from the left. It's not a common notation, but it is mentioned on wikipedia: http://en.wikipedia.org/wiki/One-sided_limit

woundedtiger4 · Nov 6, 2013

fzero said:

It's the other way around. Up arrow means increasing value of ##x##, so limit from the left. It's not a common notation, but it is mentioned on wikipedia: http://en.wikipedia.org/wiki/One-sided_limit

Thanks

Are downward and upward arrows notation for left and right limits?

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Are downward and upward arrows notation for left and right limits?

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