Mathematics

33%

+0 −2

What is "continuous" in Math?

3 answers · posted 2y ago by deleted user · last activity 2y ago by deleted user

terminology

60%

+1 −0

How can I re-write or supplant “basis point” UNambiguously?

0 answers · posted 3y ago by Chgg Clou‭ · edited 2y ago by Chgg Clou‭

percentage

50%

+2 −2

What story and one-digit Natural Numbers explain Bayes' Theorem chart most simply?

0 answers · posted 3y ago by DNB‭ · edited 3y ago by Moshi‭

probability

50%

+0 −0

methodology of integration by parts ($e^{ax}\cos (bx+c)\mathrm dx$)

1 answer · posted 3y ago by deleted user · last activity 3y ago by r~~‭

calculus integration definite-integrals

60%

+1 −0

Prove $(\cos^3\theta+\sin^3\theta)^2= \cos^6\theta(1+\tan^3\theta)^2$

2 answers · posted 3y ago by deleted user · last activity 3y ago by Peter Taylor‭

trigonometry

40%

+0 −1

How would you vaticinate to $-w_k$ from both sides of $w_{k + 1} = \dfrac{w_k - (1 - p)w_{k - 1}}{p}$?

1 answer · posted 3y ago by DNB‭ · last activity 2y ago by Giannis‭

probability

28%

+0 −3

Why aren't the "21 possibilities here" NOT equally likely?

1 answer · posted 3y ago by DNB‭ · edited 2y ago by Wolgwang‭

probability

33%

+0 −2

Why's the unique sub-game perfect equilibrium, that the first player should offer around $1.25 to player 2?

0 answers · posted 3y ago by Chgg Clou‭

game-theory

28%

+0 −3

In the Lost Boarding Pass Probability Problem, why couldn't Passengers 2-99 sit in Seats 1 or 100, before Passenger 100 boards?

0 answers · posted 3y ago by DNB‭ · edited 3y ago by DNB‭

probability

77%

+5 −0

Which of the multiple definitions of correlation to use?

0 answers · posted 3y ago by Mithrandir24601‭ · last activity 3y ago by r~~‭

statistics correlation

33%

+0 −2

Out of 4 people, why does ways to choose a 2-person committee overcount by 2 the ways to divide the 4 into 2 teams of 2?

1 answer · posted 3y ago by DNB‭ · last activity 2y ago by Tim Pederick‭

probability

75%

+4 −0

In $P(X\leq q)$, what do we call $q$?

1 answer · posted 3y ago by anoldmaninthesea‭ · last activity 3y ago by gramps‭

probability

28%

+0 −3

Without calculations, how can you visualize "that half the squares are white and half are black"?

1 answer · posted 3y ago by DNB‭ · last activity 2y ago by whybecause‭

probability

71%

+3 −0

Why does this definition of generalized forces work?

1 answer · posted 3y ago by Technically Natural‭ · last activity 3y ago by Derek Elkins‭

differential-geometry lagrangian-mechanics classical-mechanics physics

50%

+0 −0

How can I visualize dividing by a fraction as partial and full groups?

0 answers · posted 3y ago by Chgg Clou‭

visualization

80%

+6 −0

Does every divergence-free vector field arise as the curl of some vector field?

1 answer · posted 3y ago by The Amplitwist‭ · last activity 3y ago by Derek Elkins‭

geometry multivariable-calculus derivatives

80%

+6 −0

Discrete data: Graphs and skewness

2 answers · posted 3y ago by Nezar ‭ · last activity 3y ago by 1muflon1‭

skewness statistics discrete-data

80%

+6 −0

How to show if a set is simply connected?

1 answer · posted 3y ago by kreijstal‭ · last activity 3y ago by Derek Elkins‭

complex-analysis

50%

+0 −0

Second mean value theorem proof (differentiation)

0 answers · posted 3y ago by deleted user · edited 3y ago by deleted user

calculus real-analysis differentiation

89%

+15 −0

Why does the decimal expansion of $1/(10n - 1)$ have this neat pattern?

3 answers · posted 3y ago by The Amplitwist‭ · last activity 3y ago by celtschk‭

number-theory high-school-mathematics

71%

+3 −0

Asymptotics of counting integers by prime signature

1 answer · posted 3y ago by Peter Taylor‭ · last activity 3y ago by Derek Elkins‭

number-theory

66%

+2 −0

How to visualize division as splitting Dividend into B equal “partial groups”, then rounding up A partial groups to get a full group?

1 answer · posted 3y ago by Chgg Clou‭ · last activity 3y ago by leovt‭

visualization

50%

+0 −0

How to intuit : married smokers × all people < all smokers × all married people ?

0 answers · posted 3y ago by Chgg Clou‭

probability

50%

+1 −1

Rules of checking differentiability for Rolle's theorem

0 answers · posted 3y ago by deleted user · edited 3y ago by deleted user

calculus real-analysis limits differentiability rolle's-theorem

80%

+6 −0

What surface do I get by attaching $g$ handles as well as $k$ crosscaps to a sphere?

1 answer · posted 3y ago by The Amplitwist‭ · last activity 3y ago by msh210‭

geometry topology compactness connectedness sphere

33%

+0 −2

You're sampling k people from a population of size n one at a time, with replacement and with equal probabilities. Order or not?

0 answers · posted 3y ago by DNB‭

probability

28%

+0 −3

If a repair on a vessel costs $2$ and fully repaired vessel is worth $1$, don't we need know worth of broken vessel to decide whether to repair?

0 answers · posted 3y ago by Chgg Clou‭ · edited 2y ago by Wolgwang‭

basic

75%

+4 −0

Given a triangle with squares on two sides, the line segments joining the centres of the squares to the midpoint of the third side are equal and perpendicular

1 answer · posted 3y ago by The Amplitwist‭ · edited 3y ago by ArtOfCode‭

geometry complex-analysis

80%

+6 −0

The probability distribution of rolling $n$ dice and keeping $k$ highest

1 answer · posted 3y ago by tommi‭ · last activity 3y ago by Peter Cooper Jr.‭

probability dice

30%

+1 −5

In "if and only if" proofs, why's 1 direction easier to prove than the other?

2 answers · posted 3y ago by Chgg Clou‭ · last activity 2y ago by Prime Mover‭

logic

50%

+0 −0

How can I visualize this Compound Interest Chart with indefinite integrals?

1 answer · posted 3y ago by Chgg Clou‭ · last activity 3y ago by r~~‭

visualization

75%

+4 −0

Proving the Equation of the Pencil of Two Intersecting Circles

1 answer · posted 3y ago by TripleFault‭ · last activity 3y ago by msh210‭

high-school-mathematics pencil conics proof circle

77%

+5 −0

Normal in one base and not in another?

0 answers · posted 3y ago by Grove‭

number-theory normal bases

66%

+2 −0

How can I deduce which operation removes redundacies?

3 answers · posted 3y ago by DNB‭ · edited 3y ago by DNB‭

probability

71%

+3 −0

Cutting the square

0 answers · posted 3y ago by Grove‭ · edited 3y ago by Grove‭

geometry

40%

+2 −4

Why does “unless” mean “if not”?

2 answers · posted 3y ago by PSTH‭ · edited 3y ago by Peter Taylor‭

logic

71%

+3 −0

Method to calculate the area of a cyclic n-gon

0 answers · posted 3y ago by Razetime‭ · edited 3y ago by Razetime‭

geometry polygon area

57%

+2 −1

Equation of a line given some parametrized points on it and an area

1 answer · posted 3y ago by msh210‭ · last activity 3y ago by msh210‭

high-school-mathematics coordinate-geometry

80%

+6 −0

Computational hardness of the uniform halting problem

1 answer · posted 3y ago by user53100‭ · last activity 3y ago by Derek Elkins‭

computability oracle-turing-machine arithmetical-hierarchy

75%

+4 −0

Using maximum of forecasted values to forecast maximum

1 answer · posted 3y ago by Guilherme Costa‭ · last activity 3y ago by Stephan Kolassa‭

forecast

83%

+8 −0

Classification of topological points

1 answer · posted 3y ago by celtschk‭ · last activity 3y ago by Technically Natural‭

topology

77%

+5 −0

Can we adapt Furstenberg's proof of the infinitude of primes to other interesting subsets of the integers?

0 answers · posted 3y ago by HDE 226868‭ · edited 3y ago by msh210‭

number-theory topology

Communities