Question

Show that for any open subset of $\Bbb R$, there is a fraction with prime terms that belongs to it

score 47 · Answer 1 · 2026-03-23 12:12:04

47

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Show that for any open subset of $\Bbb R$, there is a fraction with prime terms that belongs to it

Published on 23 Mar 2026 - 12:12

score 74 · Answer 2 · 2026-03-24 22:15:44

74

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Sobolev approximation lifts to $L^p$ convergence of the exterior powers

Published on 24 Mar 2026 - 22:15

score 61 · Answer 3 · 2026-03-17 03:30:25

61

Views

Least squares regression (LSR)

Published on 17 Mar 2026 - 3:30

score 706 · Answer 4 · 2026-03-17 17:54:10

706

Views

Approximation of $\sin \pi x$ on $-1 \leq x \leq 1$

Published on 17 Mar 2026 - 17:54

score 201 · Answer 5 · 2026-03-17 03:04:25

201

Views

Uniform approximation on $[0,\infty)$

Published on 17 Mar 2026 - 3:04

score 45 · Answer 6 · 2026-03-20 03:35:21

45

Views

Can you help me find a Fourier transform-able approximation function basis for compression?

Published on 20 Mar 2026 - 3:35

score 568 · Answer 7 · 2018-03-25 10:22:11

568

Views

How can one measure how well is a function approximated over an interval?

Published on 25 Mar 2018 - 10:22

score 204 · Answer 8 · 2018-03-29 03:38:20

204

Views

Suppose $f$ is in $C([0,1])$ and $f(0)=f(1)=0$. Show that $f$ is the uniform limit of a sequence of polynomials with $p_n(0) =p_n(1) = 0$ for all $n$.

Published on 29 Mar 2018 - 3:38

score 283 · Answer 9 · 2026-03-25 02:57:29

283

Views

Simple L^2 bound for bivariate Sobolev function on a square

Published on 25 Mar 2026 - 2:57

score 42 · Answer 10 · 2026-03-17 07:55:23

42

Views

Approximation by biholomorphisms

Published on 17 Mar 2026 - 7:55

score 743 · Answer 11 · 2026-03-24 23:57:28

743

Views

Using the Saddle point method (or Laplace method) for a multiple integral over a large number of variables

Published on 24 Mar 2026 - 23:57

score 221 · Answer 12 · 2026-03-17 07:35:22

221

Views

recurrence relation in approximating theory

Published on 17 Mar 2026 - 7:35

score 531 · Answer 13 · 2026-03-17 15:38:22

531

Views

Vector-valued Weierstrass theorem

Published on 17 Mar 2026 - 15:38

score 149 · Answer 14 · 2018-04-19 01:21:55

149

Views

Show the best linear approximation $p$ to $f$ has slope $p'(x)=(f(b)-f(a))/(b-a)$.

Published on 19 Apr 2018 - 1:21

score 80 · Answer 15 · 2026-03-17 10:03:13

80

Views

Smart tricks used to prove formulas by approximation

Published on 17 Mar 2026 - 10:03

List Question

Show that for any open subset of $\Bbb R$, there is a fraction with prime terms that belongs to it

Sobolev approximation lifts to $L^p$ convergence of the exterior powers

Least squares regression (LSR)

Approximation of $\sin \pi x$ on $-1 \leq x \leq 1$

Uniform approximation on $[0,\infty)$

Can you help me find a Fourier transform-able approximation function basis for compression?

How can one measure how well is a function approximated over an interval?

Suppose $f$ is in $C([0,1])$ and $f(0)=f(1)=0$. Show that $f$ is the uniform limit of a sequence of polynomials with $p_n(0) =p_n(1) = 0$ for all $n$.

Simple L^2 bound for bivariate Sobolev function on a square

Approximation by biholomorphisms

Using the Saddle point method (or Laplace method) for a multiple integral over a large number of variables

recurrence relation in approximating theory

Vector-valued Weierstrass theorem

Show the best linear approximation $p$ to $f$ has slope $p'(x)=(f(b)-f(a))/(b-a)$.

Smart tricks used to prove formulas by approximation

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