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Notable Question

Question with 2,500 views. This badge can be awarded multiple times.

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Find y' and y'' and at x=51 for the following (newton forward interpolation)

Awarded Nov 22 at 16:45

user_12

1653 gold badges5 silver badges12 bronze badges

Stopping and optional times.

Awarded Nov 22 at 16:33

Johan

1011 silver badge5 bronze badges

Probability and the Collatz Problem

Awarded Nov 22 at 13:12

JJG

7878 silver badges11 bronze badges

Second order homogeneous differential equations: why do repeated roots modify the solution set?

Awarded Nov 22 at 12:41

Joe

24.1k4 gold badges61 silver badges109 bronze badges

Spivak vs uncommon calc texts (Silverman, Lax, Sasane) for a rigorous introductions

Awarded Nov 22 at 12:41

napilopez

811 silver badge3 bronze badges

Maclaurin Series Approximation of $\sin{x}$

Awarded Nov 22 at 11:13

Parsecby3

451 silver badge6 bronze badges

Some questions about representations of $SO(6)$

Awarded Nov 22 at 10:35

user6818

1,37515 silver badges27 bronze badges

If a function is continuous at a point, does there also exist a neighborhood about that point which it is continuous?

Awarded Nov 22 at 10:22

Ormi

1,83017 silver badges31 bronze badges

Evaluate $\int_{0}^{\frac{\pi}{2}}\frac{x^2}{ \sin x}dx$

Awarded Nov 22 at 9:19

FofX

8015 silver badges10 bronze badges

Limit of $(\arcsin x)^{\tan x}$ as $x$ tends to zero from the right

Awarded Nov 22 at 9:19

Mikulas Dite

1431 silver badge6 bronze badges

Does every set have a power set?

Awarded Nov 22 at 9:03

Beverlie

2,70920 silver badges44 bronze badges

25 Horses, How many races to figure out the top 5 fastest? (No clock, 5 horses at a time on the track) [duplicate]

Awarded Nov 22 at 8:20

festiveo

11 silver badge2 bronze badges

Finding the Possible Values of y = tan(x)

Awarded Nov 22 at 7:57

geo_freak

1,0761 gold badge18 silver badges56 bronze badges

Symmetrical matrix determinant

Awarded Nov 22 at 7:57

Guysudai1

5033 silver badges13 bronze badges

Differentiability of a scalar function of two variables --- problems with Stewart’s definition.

Awarded Nov 22 at 7:33

Fractal20

1,5691 gold badge15 silver badges32 bronze badges

Examples of Monads and their Algebras

Awarded Nov 22 at 7:33

Olivier Bégassat

21.3k3 gold badges48 silver badges110 bronze badges

A proof for Landau inequality and similar cases

Awarded Nov 22 at 5:41

user14242

3,0301 gold badge30 silver badges34 bronze badges

What are the two connected (vertex) transitive graphs with $n=8$, $\deg(G)=3$?

Awarded Nov 22 at 5:41

Hooked

6,8233 gold badges43 silver badges64 bronze badges

About the singularity of $z^{-2}\sin z$ at $\infty$

Awarded Nov 22 at 4:09

dankmemer

4395 silver badges18 bronze badges

Function Olympiad Problem: Define $f(n)$ such that $f(n)$ is a positive integer, $f(n+1)$ $>$ $f(n)$ and $f(f(n))$ $=$ $3n$. The value of $f(10)$ is? [duplicate]

Awarded Nov 22 at 2:37

mathsnoob

6775 silver badges17 bronze badges

Converting a rotation matrix to Roll-Pitch-Yaw angles - singularity case

Awarded Nov 22 at 2:37

A6EE

3133 silver badges11 bronze badges

What's the difference between rationals and irrationals - topologically?

Awarded Nov 22 at 1:10

Dario

2,01714 silver badges16 bronze badges

Let $q: X\to Y$ and $r: Y\to Z$ be covering maps; let $p=r\circ q$. Show that if $r^{-1}(z)$ is finite for each $z\in Z$, then $p$ is a covering map. [duplicate]

Awarded Nov 22 at 0:32

nomadicmathematician

6,3697 gold badges53 silver badges143 bronze badges

Find the probability of this event

Awarded Nov 22 at 0:32

Jing

1394 silver badges12 bronze badges

Hyperbolic area and $SL_2$

Awarded Nov 21 at 21:48

Pavel

1,6021 gold badge12 silver badges29 bronze badges

Taylor expansion of $f(z) = z^2/(z+1)^2$ around $i$

Awarded Nov 21 at 21:42

Rebellos

21.8k5 gold badges37 silver badges93 bronze badges

Having trouble understanding this proof of König's theorem...

Awarded Nov 21 at 21:21

The_Questioner

1,2161 gold badge13 silver badges31 bronze badges

Does Fermat's Last Theorem imply $\sqrt{2} \not \in \mathbb{Q}$?

Awarded Nov 21 at 20:36

primes.against.humanity

2,32113 silver badges13 bronze badges

Why $\zeta(-2) $ is not $\sum_{n=1}^{\infty}\frac{1}{n^{-2}}$? [duplicate]

Awarded Nov 21 at 18:55

zeraoulia rafik

3,66419 silver badges36 bronze badges

Ellipsoid in n-dimension

Awarded Nov 21 at 17:26

user128576

3672 silver badges9 bronze badges

Use the Mean Value Theorem to prove bernoullis inequality.

Awarded Nov 21 at 14:49

Edgar Simmons

812 gold badges3 silver badges6 bronze badges

Symmetric power of vector space

Awarded Nov 21 at 10:46

Cyril

1,5331 gold badge14 silver badges22 bronze badges

Is semidirect product unique?

Awarded Nov 21 at 10:33

nicksohn

4533 silver badges12 bronze badges

Find all functions $f: \mathbb N \rightarrow \mathbb N$ such that $f(n!)=f(n)!$

Awarded Nov 21 at 8:49

Roman83

18.4k3 gold badges28 silver badges74 bronze badges

Prove that $\mathbb{Q}$ is dense in $\mathbb{R}$

Awarded Nov 21 at 5:40

reuben yee

831 silver badge6 bronze badges

Progressively Measurable for Right Continuous Adapted Processes

Awarded Nov 21 at 3:02

LaTeXFan

3,6781 gold badge31 silver badges70 bronze badges

Law of Large Numbers, a confusion

Awarded Nov 21 at 2:55

newzad

4,9631 gold badge27 silver badges50 bronze badges

Zeros of a holomorphic function

Awarded Nov 21 at 2:55

Analyst2

1731 silver badge4 bronze badges

Confused over analytic functions, point convergence of power series

Awarded Nov 21 at 1:17

ryang

45.2k16 gold badges96 silver badges207 bronze badges

A holomorphic function which has $|f(z)|>1$ for every $|z|=1$ and $|f(0)|<1$ has a fixed point inside the unit circle

Awarded Nov 21 at 1:10

mbrg

6596 silver badges13 bronze badges

How to remember laplacian in polar and (hyper)spherical coordinates

Awarded Nov 21 at 0:46

operatorerror

30k6 gold badges54 silver badges100 bronze badges

Why it is impossible to draw a circle by Bezier Curve?

Awarded Nov 20 at 22:32

Mars Lee

2033 silver badges6 bronze badges

Maximum number of vectors with pairwise negative inner product

Awarded Nov 20 at 22:27

edubrovskiy

3133 silver badges12 bronze badges

What does a principal polynomial ideal consist of?

Awarded Nov 20 at 22:03

Joe

8931 gold badge6 silver badges18 bronze badges

Mean of a discrete function

Awarded Nov 20 at 20:22

b0rg

5574 silver badges16 bronze badges

How to move quantifiers to the front of a formula?

Awarded Nov 20 at 20:22

Rose

411 silver badge2 bronze badges

How to prove this map is continuous

Awarded Nov 20 at 19:41

PPR

1,2382 gold badges10 silver badges39 bronze badges

If $u\in H^1(\Omega )$ then $|u|\in H^1(\Omega )$.

Awarded Nov 20 at 18:55

user386627

1,92815 silver badges28 bronze badges

The $L^p$ Norm of the Heat Kernel and its Divergence and Gradient

Awarded Nov 20 at 18:18

gbnhgbnhg

5075 silver badges20 bronze badges

How do you choose names for functions/operators/sets?

Awarded Nov 20 at 17:07

SBF

36.7k4 gold badges86 silver badges172 bronze badges

calculate all the equivalent martingale measure

Awarded Nov 20 at 16:31

Jun

1001 silver badge5 bronze badges

Number of non-decreasing functions between two finite sets

Awarded Nov 20 at 14:27

Raul C. de Assis

4364 silver badges9 bronze badges

The Fourier series of the function $f:[0,L] \to \mathbb{R}$ extended periodically of period $2L$ is unique?

Awarded Nov 20 at 13:09

Lucas

4,2801 gold badge22 silver badges60 bronze badges

Simplification of Terms $ 2^{(1/\ln2)}$

Awarded Nov 20 at 10:17

yolo123

45712 silver badges30 bronze badges

Intuition of Lindeberg Condition

Awarded Nov 20 at 8:42

YetAnotherUsr

5566 silver badges19 bronze badges

Primitive $p^n$-th root of unity in $\bar{\mathbb{Q}}_p$.

Awarded Nov 20 at 8:42

Pgatti

1,0028 silver badges22 bronze badges

Why the ratios of the coefficient of $x$ and $y$ of two parallel lines are equal but it is not equal to the ratio of their constant terms?

Awarded Nov 20 at 8:02

devpa

1031 silver badge6 bronze badges

Vertical pipe through a 45° roof: How to determine the roof hole's shape?

Awarded Nov 20 at 4:33

User1974

4352 gold badges6 silver badges22 bronze badges

How to find the centroid of the intersecting region between three circles of differing diameters

Awarded Nov 19 at 22:46

TomNash

2052 silver badges9 bronze badges

How to understand Weyl chambers?

Awarded Nov 19 at 21:27

user

1,4152 gold badges15 silver badges35 bronze badges

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