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Apr
3
awarded  Nice Question
Mar
2
awarded  Popular Question
Jan
3
accepted How to express $E[\max(x,y)]$ as an integral?
Jan
1
comment How to express $E[\max(x,y)]$ as an integral?
@Math1000 In the last two displayed equations, shouldn't $x$ be $w$? If not, then I think there is a conflict between your answer and that of Andre Nicolas?
Dec
31
comment How to express $E[\max(x,y)]$ as an integral?
@AndréNicolas Let's say yes for now.
Dec
31
asked How to express $E[\max(x,y)]$ as an integral?
Dec
13
accepted How to differentiate the standard normal deviation w.r.t. a parameter inside the upper bound
Dec
13
accepted How to differentiate the Black-Scholes formula w.r.t. volatility
Dec
8
comment How to differentiate the standard normal deviation w.r.t. a parameter inside the upper bound
@AlexSilva No. I made an edit to make it clearer.
Dec
8
revised How to differentiate the standard normal deviation w.r.t. a parameter inside the upper bound
added 13 characters in body
Dec
8
asked How to differentiate the standard normal deviation w.r.t. a parameter inside the upper bound
Dec
8
comment How to differentiate the Black-Scholes formula w.r.t. volatility
@Student T Thanks. If you could give me a link or two to the "tons of material online" I'd appreciate it. My own googling has turned up little (beyond wikipedia).
Dec
7
revised How to differentiate the Black-Scholes formula w.r.t. volatility
added 19 characters in body
Dec
7
asked How to differentiate the Black-Scholes formula w.r.t. volatility
Nov
22
asked How to express vectors with more than 2 components in complex coordinates
Nov
21
comment Can the $9$ point circle be generalized to $n$-gons of $n\gt3$?
Yes, but the vertices of your pentagon are not concyclic.
Nov
17
revised Can the $9$ point circle be generalized to $n$-gons of $n\gt3$?
edited tags
Nov
17
asked Can the $9$ point circle be generalized to $n$-gons of $n\gt3$?
Nov
13
awarded  Popular Question
Oct
12
revised How to make a series summation add up to its upper bound raised to a power?
added 50 characters in body