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Mar
10
awarded  Yearling
Feb
13
awarded  Popular Question
Oct
30
accepted Why is the Stochastic Process in the HJM model non-Markovian?
Oct
28
revised Why is the Stochastic Process in the HJM model non-Markovian?
added 2 characters in body
Oct
28
awarded  Notable Question
Oct
27
asked Why is the Stochastic Process in the HJM model non-Markovian?
Oct
27
accepted Proving that a process has the Markov property
Oct
27
accepted Expected Return, Expected Value, and an Ito Process
Oct
25
asked Expected Return, Expected Value, and an Ito Process
Oct
10
accepted Why is the second derivative test inconclusive for some local max/mins?
Oct
10
comment Why is the second derivative test inconclusive for some local max/mins?
@Amzoti Thats not what I am looking for. Sorry maybe I am poorly wording my question. I know those graphs prove my above answers. However, I want to know why logically $f''(0)$ should be $0$ not negative. For instance, I know $f'(0)=0$ because we have a horizontal tangent there. I want a similar explanation for why $f''(0)$ is $0$ not negative.
Oct
10
comment Why is the second derivative test inconclusive for some local max/mins?
Good points...fixed it
Oct
10
revised Why is the second derivative test inconclusive for some local max/mins?
deleted 3 characters in body
Oct
10
asked Why is the second derivative test inconclusive for some local max/mins?
Sep
15
accepted Proving that a definition of e is unique
Sep
9
asked Proving that a definition of e is unique
Aug
22
awarded  Popular Question
Jul
27
asked Proving that a process has the Markov property
Jul
25
accepted Ricatti differential equation solution
Jul
25
comment Ricatti differential equation solution
Yeah this was ridiculously easy. As I said it had been a while since I have done DEs so I had a brain freeze.