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31 votes

Accepted

Is there a name for the center of a line?

answered Feb 7, 2017 at 22:25

20 votes

Sequence that is neither increasing, nor decreasing, yet converges to 1

answered Sep 19, 2016 at 23:39

7 votes

A cop-out argument by Feynman in his fabled Lectures on Physics

answered Aug 3, 2021 at 20:25

6 votes

Do you "sample" a random number generator? If not, what's the correct word?

answered May 9, 2017 at 12:33

4 votes

Counterintuitive examples in probability

answered Feb 16, 2017 at 16:22

4 votes

Picking zero out of zero elements

answered Jan 17, 2017 at 21:40

4 votes

Is $22/7$ an often used approximation for $\pi$?

answered Mar 14, 2016 at 15:25

3 votes

Multiple derivative notation

answered Feb 22, 2017 at 21:18

3 votes

Accepted

Why doesn't the rotation of a inertia tensor by a rotation matrix cancel itself out?

answered Jul 2 at 14:04

2 votes

Treating Differentials like Fractions

answered Dec 24, 2020 at 15:54

2 votes

derivative of the hessian?

answered Feb 7, 2017 at 21:22

2 votes

Why can't we remove the sqrt from rms?

answered Jan 17, 2017 at 17:13

2 votes

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Christoffel symbol or Christoffel symbols?

answered Jan 17, 2017 at 18:45

2 votes

Accepted

A lock has has buttons, $0$ and $1$. To open the lock, an 8 bit sequence must be entered.

answered Sep 23, 2016 at 2:16

2 votes

What rectangle does this statement convey?

answered Sep 29, 2015 at 21:43

2 votes

Accepted

Efficient methods for drawing random numbers and Monte Carlo for Tsallis q-Gaussians

answered Jan 25, 2016 at 18:12

2 votes

Accepted

Integrating function containing Dirac-delta

answered Oct 20, 2015 at 0:34

2 votes

Accepted

Matrix tensor indices

answered Aug 25, 2015 at 6:58

2 votes

Geometric meaning of the vector triple product $(\vec a \times \vec b)\times \vec c$

answered Sep 14, 2015 at 17:39

1 vote

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I'm struggling to understand and implement this part on finite difference derivatives

answered Sep 17, 2015 at 19:16

1 vote

Formula for finding the number of lists that can be created by selecting elements of other lists

answered Aug 24, 2015 at 11:48

1 vote

Accepted

Derivatives of a trace with respect to perturbation

answered Sep 24, 2015 at 0:42

1 vote

Accepted

The meaning of Orthogonal, Complete and Orthonormal Functions?

answered Oct 21, 2015 at 6:11

1 vote

Derivative of $ \frac{\partial A^{T} X^{-1}A}{\partial X}$

answered Jan 6, 2017 at 21:12

1 vote

Intuition About dx in Integral Notation

answered Feb 16, 2017 at 4:19

1 vote

Likelihood for a model

answered Feb 7, 2017 at 20:26

1 vote

Accepted

Can sum of two vectors be a unit vector?

answered Jul 1 at 18:13

0 votes

Confusion regarding definition of quaternions

answered Jun 28 at 16:08

0 votes

Linear Algebra notation

answered May 11, 2017 at 14:08

0 votes

find curl and div of $\vec{A} = \frac{\vec{r}}{|\vec{r}-\vec{a}|^4}$

answered May 17, 2017 at 20:14

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35 Answers

Is there a name for the center of a line?

Sequence that is neither increasing, nor decreasing, yet converges to 1

A cop-out argument by Feynman in his fabled Lectures on Physics

Do you "sample" a random number generator? If not, what's the correct word?

Counterintuitive examples in probability

Picking zero out of zero elements

Is $22/7$ an often used approximation for $\pi$?

Multiple derivative notation

Why doesn't the rotation of a inertia tensor by a rotation matrix cancel itself out?

Treating Differentials like Fractions

derivative of the hessian?

Why can't we remove the sqrt from rms?

Christoffel symbol or Christoffel symbols?

A lock has has buttons, $0$ and $1$. To open the lock, an 8 bit sequence must be entered.

What rectangle does this statement convey?

Efficient methods for drawing random numbers and Monte Carlo for Tsallis q-Gaussians

Integrating function containing Dirac-delta

Matrix tensor indices

Geometric meaning of the vector triple product $(\vec a \times \vec b)\times \vec c$

I'm struggling to understand and implement this part on finite difference derivatives

Formula for finding the number of lists that can be created by selecting elements of other lists

Derivatives of a trace with respect to perturbation

The meaning of Orthogonal, Complete and Orthonormal Functions?

Derivative of $ \frac{\partial A^{T} X^{-1}A}{\partial X}$

Intuition About dx in Integral Notation

Likelihood for a model

Can sum of two vectors be a unit vector?

Confusion regarding definition of quaternions

Linear Algebra notation

find curl and div of $\vec{A} = \frac{\vec{r}}{|\vec{r}-\vec{a}|^4}$