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  • 115 votes cast
Jul
29
comment What's the last whole number before a googolplex?
@user85361 The OP is referring to his six-year old child. It's colloquial in English.
May
26
comment differntial geometry
This site is for question about the software program called Mathematica (see mathematica.stackexchange.com/help/on-topic). This seems to be a question about mathematics. Is that right?
May
19
revised Integrating the vector field over the bottom half of the oriented ellipsoid
Fixed typos, formatting
May
18
revised Integrating the vector field over the bottom half of the oriented ellipsoid
Clarification
May
18
answered Integrating the vector field over the bottom half of the oriented ellipsoid
Mar
22
comment Is it possible to find $n$ from the sum forming a polynomial?
Yes, just what I was thinking. Kind of a strange problem.
Mar
22
comment Is it possible to find $n$ from the sum forming a polynomial?
@Nasser I suppose one ought to point out that the computation shows that there is, in fact, no solution.
Feb
11
comment Tricky Probability Question not sure where to start
Is this a question about mathematics or the technical software Mathematica? See mathematica.stackexchange.com/help/on-topic
Jan
24
comment Deriving the Surface Area of a Spherical Triangle
There is a nice proof at math.rice.edu/~pcmi/sphere/gos4.html
Jan
19
awarded  Custodian
Jan
19
reviewed Reviewed Pricing a riskless asset in the Black & Scholes market
Dec
29
awarded  Yearling
Dec
19
awarded  Constituent
Dec
17
comment Derivation: How do I derivate this
Perhaps FullSimplify[SeriesCoefficient[Exp[-y^2], {y, x, n}] n!, Element[n, Integers] && n > 0] (from V. Reshetnikov) or D[F[n][x] Exp[-x^2], x] // Factor is a better hint. But your question seems to be about mathematics, not the technical software Mathematica
Dec
8
awarded  Caucus
Oct
21
comment Notation for sum of products
Is this a question about standard mathematical notation or about how to write code in the software system Mathematica to represent such a sum?
Sep
20
revised Calculating a limit in two variables by going to polar coordinates.
Fixed typo
Sep
20
comment Calculating a limit in two variables by going to polar coordinates.
@Timbuc Yes, thanks!
Sep
18
answered How to find the intersection points of two circles in 3D
Aug
18
answered Log concavity of binomial coefficients: $ \binom{n}{k}^2 \geq \binom{n}{k-1}\binom{n}{k+1} $