User Rajesh D

2 votes

1 answer

1k views

How to compute inverse of sum of a unitary matrix and a full rank diagonal matrix?

asked Oct 30, 2018 at 12:03

2 votes

0 answers

276 views

A question on convergence rates of Fourier series and strict convergence

asked Sep 7, 2021 at 11:37

0 votes

2 answers

234 views

Band limited initial data : regularity for Navier–Stokes equation defined on a torus $\mathbb{T}^m$

asked Sep 24, 2020 at 13:20

6 votes

1 answer

440 views

A problem on rate of decay of fill distance?

asked Apr 18, 2021 at 2:09

6 votes

1 answer

1k views

First eigenfunction of $p=3$-Laplacian of a square domain in $\Bbb R^2$ : reference for any work on this?

asked Aug 28, 2017 at 14:17

0 votes

2 answers

249 views

Convergence of the eigenvector matrix for an analytic perturbation of a singular matrix

asked Aug 10, 2020 at 13:01

3 votes

1 answer

445 views

Does $L^2$ convergence and convergence on a countable dense subset, together imply almost everywhere convergence?

asked Jan 23, 2021 at 15:11

1 vote

0 answers

71 views

Reference request : Convergence of radial basis function interpolation or spline interpolation as points become dense, for a continuous function

asked Jul 3, 2020 at 4:43

0 votes

1 answer

116 views

An otherwise linear matrix equation with the presence of a signum function : reference request

asked Sep 27, 2020 at 7:43

0 votes

1 answer

108 views

What is the convergence rate of the minimum separation distance?

asked Sep 22, 2020 at 13:29

4 votes

1 answer

478 views

Asymptotic expansion of the inverse of a matrix valued function

asked Aug 7, 2020 at 6:44

1 vote

1 answer

113 views

Asymptotic behavior of a matrix equation and its eigenvalues

asked Jul 31, 2020 at 7:32

7 votes

1 answer

569 views

Bounding the smallest eigenvalue of a matrix generated by a positive definite function

asked Jul 20, 2020 at 4:37

0 votes

2 answers

91 views

Asymptotic expansion involving a matrix equation

asked Jul 19, 2020 at 3:53

8 votes

4 answers

2k views

How to learn a continuous function?

asked Jul 5, 2020 at 6:29

2 votes

0 answers

178 views

Bounding the condition number of a matrix associated with an even symmetric positive definite function

asked Jun 24, 2020 at 4:27

5 votes

0 answers

219 views

Can we construct a computable sequence of trigonometric polynomials that converges pointwise to a given continuous function defined on the torus?

asked Jun 4, 2020 at 13:20

0 votes

1 answer

215 views

Can we construct a sequence of trigonometric polynomials that converges pointwise to a given continuous function on the torus?

asked Jun 4, 2020 at 12:17

0 votes

1 answer

991 views

Do mathematicians ignore mathematical works from non-mathematicians? [closed]

asked Apr 25, 2020 at 14:14

0 votes

0 answers

84 views

Relation between two matrices associated with a positive definite function

asked Jan 28, 2020 at 15:15

2 votes

0 answers

99 views

Closed form expression for this Fourier summation?

asked Dec 23, 2019 at 6:45

2 votes

0 answers

101 views

How to evaluate an interpolation method, in terms of converging to the underlying function, as data points go to infinity?

asked Oct 30, 2019 at 2:11

0 votes

1 answer

735 views

Reference request : How to use Lagrange multiplier technique with infinite (infact uncountably) number of constraints?

asked May 11, 2019 at 14:19

4 votes

0 answers

82 views

Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?

asked Mar 14, 2019 at 5:25

2 votes

0 answers

193 views

Shattering with sinusoids

asked Feb 16, 2019 at 4:31

4 votes

1 answer

481 views

What is the importance of convergence of variation of Fourier reconstruction to that of variation of the function?

asked Jul 14, 2015 at 7:52

1 vote

2 answers

129 views

Unboundedness of the Sobolev norm of a sequence : Does it follow from Sobolev embedding?

asked Oct 21, 2018 at 8:58

3 votes

1 answer

165 views

A specific problem on : Can bounding the Sobolev norm, bound a higher derivative?

asked Oct 17, 2018 at 12:34

1 vote

0 answers

918 views

A Question on certain Hilbert space of continuous functions, and a characteristic of convergence in it

asked Aug 15, 2018 at 11:11

0 votes

1 answer

122 views

A question on existence of a Sobolev Hilbert space, where convergence implies uniform convergence [closed]

asked Aug 15, 2018 at 4:38

Stack Exchange Network

52 Questions

How to compute inverse of sum of a unitary matrix and a full rank diagonal matrix?

A question on convergence rates of Fourier series and strict convergence

Band limited initial data : regularity for Navier–Stokes equation defined on a torus $\mathbb{T}^m$

A problem on rate of decay of fill distance?

First eigenfunction of $p=3$-Laplacian of a square domain in $\Bbb R^2$ : reference for any work on this?

Convergence of the eigenvector matrix for an analytic perturbation of a singular matrix

Does $L^2$ convergence and convergence on a countable dense subset, together imply almost everywhere convergence?

Reference request : Convergence of radial basis function interpolation or spline interpolation as points become dense, for a continuous function

An otherwise linear matrix equation with the presence of a signum function : reference request

What is the convergence rate of the minimum separation distance?

Asymptotic expansion of the inverse of a matrix valued function

Asymptotic behavior of a matrix equation and its eigenvalues

Bounding the smallest eigenvalue of a matrix generated by a positive definite function

Asymptotic expansion involving a matrix equation

How to learn a continuous function?

Bounding the condition number of a matrix associated with an even symmetric positive definite function

Can we construct a computable sequence of trigonometric polynomials that converges pointwise to a given continuous function defined on the torus?

Can we construct a sequence of trigonometric polynomials that converges pointwise to a given continuous function on the torus?

Do mathematicians ignore mathematical works from non-mathematicians? [closed]

Relation between two matrices associated with a positive definite function

Closed form expression for this Fourier summation?

How to evaluate an interpolation method, in terms of converging to the underlying function, as data points go to infinity?

Reference request : How to use Lagrange multiplier technique with infinite (infact uncountably) number of constraints?

Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?

Shattering with sinusoids

What is the importance of convergence of variation of Fourier reconstruction to that of variation of the function?

Unboundedness of the Sobolev norm of a sequence : Does it follow from Sobolev embedding?

A specific problem on : Can bounding the Sobolev norm, bound a higher derivative?

A Question on certain Hilbert space of continuous functions, and a characteristic of convergence in it

A question on existence of a Sobolev Hilbert space, where convergence implies uniform convergence [closed]