User tobias

7 votes

2 answers

293 views

Sum of $\sin$ when angles shrink by $1/n$

asked Jan 17, 2021 at 9:57

5 votes

3 answers

575 views

Natural number solutions for equations of the form $\frac{a^2}{a^2-1} \cdot \frac{b^2}{b^2-1} = \frac{c^2}{c^2-1}$

asked May 5, 2020 at 19:39

5 votes

2 answers

202 views

Analytic approximations of smooth vector fields

asked Aug 12, 2020 at 8:30

5 votes

1 answer

160 views

Getting out a system of linear ODEs by knowing the Magnus expansion

asked Oct 5, 2015 at 9:46

4 votes

0 answers

138 views

Is there a nice way to express a matrix exponential when rows are proportionally scaled?

asked Jun 25, 2017 at 6:57

4 votes

0 answers

99 views

Injectivity of product functions on natural number sequences

asked Sep 14, 2018 at 9:50

4 votes

1 answer

476 views

Higher-order derivatives of $(e^x + e^{-x})^{-1}$

asked Oct 4, 2020 at 7:57

4 votes

1 answer

712 views

Analytic functions where all derivatives vanish at infinity and which are bounded

asked Oct 4, 2020 at 15:52

3 votes

0 answers

77 views

Selecting the best choice for the smallest single appearing natural number

asked Sep 1, 2016 at 10:42

2 votes

1 answer

476 views

General solution to system of stochastic linear differential equations

asked Nov 27, 2015 at 7:59

2 votes

0 answers

40 views

Analysis of coefficients for quickly vanishing analytic vector field

asked Aug 12, 2020 at 17:39

1 vote

1 answer

52 views

Can we implicitly fit a system of linear ODEs by reduced information?

asked Oct 7, 2014 at 13:36

1 vote

1 answer

630 views

Solutions to linear SDE with many noise sources

asked Mar 28, 2017 at 17:57

1 vote

0 answers

176 views

Questions on Riemann's explicit formula

asked Apr 6, 2019 at 8:10

0 votes

1 answer

108 views

Fit a system of linear ODEs from several experiments

asked Aug 16, 2015 at 18:05

0 votes

1 answer

823 views

Parameter estimation distribution for hypergeometric distribution

asked Oct 30, 2016 at 14:02

0 votes

0 answers

59 views

What do power series solutions of ordinary/partial differential equations tell us about all solutions?

asked Aug 31, 2022 at 7:58

-2 votes

1 answer

184 views

Strong estimates for the zeta function on natural numbers

asked Sep 16, 2018 at 17:24

-2 votes

2 answers

114 views

Systems of ODEs that fulfill a matrix relationship at steady state [closed]

asked Nov 24, 2014 at 17:51

-4 votes

1 answer

177 views

All group structures on a set with cardinality $\aleph_0$

asked Sep 7, 2022 at 10:07

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20 Questions

Sum of $\sin$ when angles shrink by $1/n$

Natural number solutions for equations of the form $\frac{a^2}{a^2-1} \cdot \frac{b^2}{b^2-1} = \frac{c^2}{c^2-1}$

Analytic approximations of smooth vector fields

Getting out a system of linear ODEs by knowing the Magnus expansion

Is there a nice way to express a matrix exponential when rows are proportionally scaled?

Injectivity of product functions on natural number sequences

Higher-order derivatives of $(e^x + e^{-x})^{-1}$

Analytic functions where all derivatives vanish at infinity and which are bounded

Selecting the best choice for the smallest single appearing natural number

General solution to system of stochastic linear differential equations

Analysis of coefficients for quickly vanishing analytic vector field

Can we implicitly fit a system of linear ODEs by reduced information?

Solutions to linear SDE with many noise sources

Questions on Riemann's explicit formula

Fit a system of linear ODEs from several experiments

Parameter estimation distribution for hypergeometric distribution

What do power series solutions of ordinary/partial differential equations tell us about all solutions?

Strong estimates for the zeta function on natural numbers

Systems of ODEs that fulfill a matrix relationship at steady state [closed]

All group structures on a set with cardinality $\aleph_0$