Mathematics

50%

+1 −1

Why can an easily graphable definite integral, be labyrinthine to evaluate?

0 answers · posted 1y ago by TextKit‭ · edited 1y ago by TextKit‭

calculus

40%

+0 −1

Notation for Euclidean Norm

1 answer · posted 1y ago by Guilherme Costa‭ · last activity 1y ago by tommi‭

notation

80%

+6 −0

How to show if a set is simply connected?

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

complex-analysis

60%

+1 −0

proving relative lengths on a secant

1 answer · posted 1y ago by msh210‭ · last activity 1y ago by Peter Taylor‭

euclidean-geometry

57%

+2 −1

difference between quotient rule and product rule

3 answers · posted 1y ago by deleted user · last activity 1y ago by msh210‭

calculus quotient-rule product-rule

18%

+0 −7

Why is -1 needed to get 65,535 from a 2^16 binary power calculation?

1 answer · posted 1y ago by deleted user · last activity 1y ago by Canina‭

computability power binary

75%

+4 −0

Is this topology basis dependent?

1 answer · posted 2y ago by celtschk‭ · last activity 2y ago by Incnis Mrsi‭

topology linear-algebra topological-vector-spaces

71%

+3 −0

Intuitively, why's X% of Y = Y% of X?

1 answer · posted 2y ago by Chgg Clou‭ · last activity 2y ago by celtschk‭

percentage

66%

+2 −0

Why aren't $z_1=f(xy)$ and $z_2=f(x/y)$ functions of 2 variables?

1 answer · posted 2y ago by TextKit‭ · last activity 2y ago by celtschk‭

calculus

50%

+2 −2

What kind of logic does “Logic in the Theory and Practice of Lawmaking” employ?

0 answers · posted 2y ago by Chgg Clou‭

logic

44%

+2 −3

Approximation of an elliptic integral

0 answers · posted 2y ago by theabbie‭

calculus

57%

+2 −1

If $n = xm$ and $n \rightarrow \infty$, then $m \rightarrow \infty$?

1 answer · posted 2y ago by TextKit‭ · last activity 2y ago by The Amplitwist‭

calculus

80%

+6 −0

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

1 answer · posted 2y ago by The Amplitwist‭ · last activity 2y ago by Derek Elkins‭

geometry multivariable-calculus derivatives

50%

+0 −0

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

1 answer · posted 2y ago by Chgg Clou‭ · last activity 2y ago by r~~‭

visualization

50%

+0 −0

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

0 answers · posted 2y ago by Chgg Clou‭

visualization

62%

+3 −1

Why should a non-commutative operation even be called "multiplication"?

2 answers · posted 2y ago by theabbie‭ · last activity 2y ago by celtschk‭

definition notation abstract-algebra

37%

+1 −3

How can I generalize a picture for the Mean Value Theorem to the Generalized MVT?

1 answer · posted 2y ago by TextKit‭ · edited 2y ago by TextKit‭

calculus visualization

66%

+2 −0

In a SARIMA model, does the order in which I difference the time series matter?

0 answers · posted 2y ago by anoldmaninthesea‭

statistics

50%

+2 −2

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

0 answers · posted 2y ago by DNB‭ · edited 2y ago by Moshi‭

probability

83%

+8 −0

Classification of topological points

1 answer · posted 2y ago by celtschk‭ · last activity 2y ago by Ezekiel‭

topology

71%

+3 −0

Isn't it wrong to write that Indefinite Integral = Definite Integral with a variable in its Upper Limit?

2 answers · posted 2y ago by TextKit‭ · edited 2y ago by The Amplitwist‭

calculus

77%

+5 −0

Does this generalization of path-connectedness also cover general connectedness?

0 answers · posted 2y ago by celtschk‭ · edited 2y ago by celtschk‭

topology connectedness

83%

+8 −0

Are there useful topologies on Cartesian products “in between” the product topology and the box topology?

0 answers · posted 2y ago by celtschk‭ · edited 2y ago by celtschk‭

topology

71%

+3 −0

Cutting the square

0 answers · posted 2y ago by Grove‭ · edited 2y ago by Grove‭

geometry

71%

+3 −0

Why does this definition of generalized forces work?

1 answer · posted 2y ago by Ezekiel‭ · last activity 2y ago by Derek Elkins‭

differential-geometry lagrangian-mechanics classical-mechanics physics

80%

+6 −0

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

1 answer · posted 2y ago by The Amplitwist‭ · last activity 2y ago by msh210‭

geometry topology compactness connectedness sphere

75%

+4 −0

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

1 answer · posted 2y ago by anoldmaninthesea‭ · last activity 2y ago by gramps‭

probability

81%

+7 −0

Are 3 10% chances better than one 30% chance (when penalized by a variable for failures)?

3 answers · posted 2y ago by dustytrash‭ · last activity 2y ago by Grove‭

logic basic odds

75%

+4 −0

Normal in one base and not in another?

0 answers · posted 2y ago by Grove‭

number-theory normal bases

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 2y ago by The Amplitwist‭ · edited 2y ago by ArtOfCode‭

geometry complex-analysis

80%

+6 −0

Why always rationalize a denominator?

3 answers · posted 2y ago by msh210‭ · last activity 2y ago by Derek Elkins‭

high-school-mathematics

44%

+2 −3

Intuitively, what does the 1 mean in $\dfrac{a}{b} = \dfrac{1}{\frac{b}{a}}$?

2 answers · posted 2y ago by Chgg Clou‭ · last activity 2y ago by nalply‭

intuition

66%

+2 −0

Disentangling Machine Learning Theory with Cross-Validation

0 answers · posted 2y ago by seth.wagenman‭

model

87%

+12 −0

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

3 answers · posted 2y ago by The Amplitwist‭ · last activity 2y ago by celtschk‭

number-theory high-school-mathematics

75%

+4 −0

Proving the Equation of the Pencil of Two Intersecting Circles

1 answer · posted 2y ago by TripleFault‭ · last activity 2y ago by msh210‭

high-school-mathematics pencil conics proof circle

80%

+6 −0

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

1 answer · posted 2y ago by tommi‭ · last activity 2y ago by Peter Cooper Jr.‭

probability dice

57%

+2 −1

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

1 answer · posted 2y ago by msh210‭ · last activity 2y ago by msh210‭

high-school-mathematics coordinate-geometry

71%

+3 −0

Method to calculate the area of a cyclic n-gon

0 answers · posted 2y ago by Razetime‭ · edited 2y ago by Razetime‭

geometry polygon area

75%

+4 −0

Using maximum of forecasted values to forecast maximum

1 answer · posted 2y ago by Guilherme Costa‭ · last activity 2y ago by Stephan Kolassa‭

forecast

77%

+5 −0

Which of the multiple definitions of correlation to use?

0 answers · posted 2y ago by Mithrandir24601‭ · last activity 2y ago by r~~‭

statistics correlation

80%

+6 −0

Discrete data: Graphs and skewness

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

skewness statistics discrete-data

40%

+0 −1

Existence of a set of all sets

2 answers · posted 2y ago by MathPhysics‭ · last activity 2y ago by Derek Elkins‭

set-theory

77%

+5 −0

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

0 answers · posted 2y ago by HDE 226868‭ · edited 2y ago by msh210‭

number-theory topology

77%

+5 −0

Similar triangles with the same area

2 answers · posted 2y ago by msh210‭ · last activity 2y ago by DonielF‭

euclidean-geometry high-school-mathematics

71%

+3 −0

Including Association Analysis results into existing Classification Model

0 answers · posted 2y ago by Guilherme Costa‭

classification association-rules

71%

+3 −0

Asymptotics of counting integers by prime signature

1 answer · posted 2y ago by Peter Taylor‭ · last activity 2y ago by Derek Elkins‭

number-theory

75%

+4 −0

Can we constructively find a third element of a set $X$ satisfying $X \cong X \times X$ given two distinct elements?

0 answers · posted 2y ago by Derek Elkins‭

constructive-logic type-theory

80%

+6 −0

Computational hardness of the uniform halting problem

1 answer · posted 2y ago by user53100‭ · last activity 2y ago by Derek Elkins‭

computability oracle-turing-machine arithmetical-hierarchy

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