Question

Converting a 2D lattice sum into a sum over 1D lattice sums in a circle

score 87 · Answer 1 · 2026-03-27 04:34:20

87

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Converting a 2D lattice sum into a sum over 1D lattice sums in a circle

Published on 27 Mar 2026 - 4:34

score 26 · Answer 2 · 2023-02-02 03:18:35

26

Views

Is there a formal name for the shortest (directed) line segment connecting two skew lines?

Published on 02 Feb 2023 - 3:18

score 245 · Answer 3 · 2026-03-25 14:08:58

245

Views

Given the Latitude, Longitude and Altitude of Origin and Destination points, Calculate Distance & Bearing (from origin to destination)

Published on 25 Mar 2026 - 14:08

score 47 · Answer 4 · 2023-02-04 14:51:41

47

Views

Determine the resultant of the shown forces

Published on 04 Feb 2023 - 14:51

score 170 · Answer 5 · 2026-03-28 10:56:07

170

Views

acceleration of a particle moving along a streamline using tensor calculus

Published on 28 Mar 2026 - 10:56

score 41 · Answer 6 · 2023-02-05 20:39:50

41

Views

Determine the largest magnitude and the angle of a force applied at a point

Published on 05 Feb 2023 - 20:39

score 42 · Answer 7 · 2026-02-23 04:39:14

42

Views

Manifolds where $\Delta t$ is conserved for any trajectory.

Published on 23 Feb 2026 - 4:39

score 113 · Answer 8 · 2026-04-07 17:39:19

113

Views

Putnam problem with suggested solution

Published on 07 Apr 2026 - 17:39

score 638 · Answer 9 · 2026-02-23 03:00:56

638

Views

Closed-form solutions to $x''+\frac{k}{m}\ x+\mu\ g\ \text{sgn}(x')=0$

Published on 23 Feb 2026 - 3:00

score 97 · Answer 10 · 2023-02-07 18:01:30

97

Views

References for existence of solutions to the interior Neumann problem for the Helmholtz equation

Published on 07 Feb 2023 - 18:01

score 46 · Answer 11 · 2023-02-08 08:34:42

46

Views

How to interpret 'vector space is closed under scalar multiplication' for physics vector

Published on 08 Feb 2023 - 8:34

score 90 · Answer 12 · 2026-03-30 01:13:24

90

Views

Details of a Fourier transform

Published on 30 Mar 2026 - 1:13

score 203 · Answer 13 · 2023-02-12 11:55:31

203

Views

Is the law of reflection against math?

Published on 12 Feb 2023 - 11:55

score 80 · Answer 14 · 2023-02-12 21:57:44

80

Views

Verifying the relation $\nabla_1U(\mathbf{r}_1- \mathbf{r}_2 )=-\nabla_2U(\mathbf{r}_1- \mathbf{r}_2 )$ for a scalar function $U$

Published on 12 Feb 2023 - 21:57

score 237 · Answer 15 · 2026-03-29 21:50:53

237

Views

A question on uniformly accelerated motion

Published on 29 Mar 2026 - 21:50

List Question

Converting a 2D lattice sum into a sum over 1D lattice sums in a circle

Is there a formal name for the shortest (directed) line segment connecting two skew lines?

Given the Latitude, Longitude and Altitude of Origin and Destination points, Calculate Distance & Bearing (from origin to destination)

Determine the resultant of the shown forces

acceleration of a particle moving along a streamline using tensor calculus

Determine the largest magnitude and the angle of a force applied at a point

Manifolds where $\Delta t$ is conserved for any trajectory.

Putnam problem with suggested solution

Closed-form solutions to $x''+\frac{k}{m}\ x+\mu\ g\ \text{sgn}(x')=0$

References for existence of solutions to the interior Neumann problem for the Helmholtz equation

How to interpret 'vector space is closed under scalar multiplication' for physics vector

Details of a Fourier transform

Is the law of reflection against math?

Verifying the relation $\nabla_1U(\mathbf{r}_1- \mathbf{r}_2 )=-\nabla_2U(\mathbf{r}_1- \mathbf{r}_2 )$ for a scalar function $U$

A question on uniformly accelerated motion

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