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visits member for 1 year, 1 month
seen Nov 29 '12 at 6:55
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Jun
17
asked Partial Integration - Where did I go wrong?
May
30
comment Lagrange multiplier - find minima of a function satisfying a condition
Thanks. Will do.
May
30
comment Lagrange multiplier - find minima of a function satisfying a condition
I don't know, I am using the notation I am used to. But unless the distance happens to be 1, why would I be able to use the square of the distance rather than the distance? EDIT: Actually, that makes sense because I can just take the square root when I have the result... EDIT2: Your signs seem off though.
May
30
asked Lagrange multiplier - find minima of a function satisfying a condition
May
6
accepted WolframAlpha blows simple substitution?
May
6
awarded  Supporter
May
6
awarded  Editor
May
6
revised WolframAlpha blows simple substitution?
added 215 characters in body
May
6
awarded  Commentator
May
6
comment WolframAlpha blows simple substitution?
My derivative may be wrong - I will check that right away - but I didn't ask WolframAlpha to calculate the derivative, I asked it to calculate my formula for the derivative for a given n.
May
6
asked WolframAlpha blows simple substitution?
May
5
awarded  Scholar
May
5
accepted Doubt about function value (expected undefined, but Wolframalpha says otherwise)
May
5
comment Doubt about function value (expected undefined, but Wolframalpha says otherwise)
Actually, our Prof is very thorough when it comes to those kind of things, I just wasn't sure if it was actually ok to fix the singularity in this case...
May
5
comment Doubt about function value (expected undefined, but Wolframalpha says otherwise)
Can I just do it like that? Granted, the original function is continuous at $-1/3$ so I can probably do that in this case, but are such things ok in general?
May
5
comment Doubt about function value (expected undefined, but Wolframalpha says otherwise)
1 + (12x+4)/((x+1)^2) * (12/(12x+4) - 2/(x+1)), x=-1/3
May
5
asked Doubt about function value (expected undefined, but Wolframalpha says otherwise)
Apr
24
comment Proving properties of a simple undirected graph
Damn - I didn't think it would be that simple. But yeah, now that you mention it... I just noticed we even have a Lemma with which this can be written even shorter. Thanks a lot, I really had a blockade on that one.
Apr
24
asked Proving properties of a simple undirected graph
Apr
8
comment Proving a simple inequality.
Well, my homeworks are corrected by the assistants of my prof, but I'm pretty sure that what they're more interested in is reducing the problem to one that has a reasonably obvious solution. If I was to prove 'everything' I would have to go back to the peano axioms every time I wanted to add 2 natural numbers. I don't think that's in anyones interest here.