Question

Expectation of the ratio of two $\mathcal{X}^2(1)$ random variables

score 59 · Answer 1 · 2026-03-26 17:32:19

59

Views

Expectation of the ratio of two $\mathcal{X}^2(1)$ random variables

Published on 26 Mar 2026 - 17:32

score 89 · Answer 2 · 2026-03-22 20:33:09

89

Views

An application of the Triangle Inequality

Published on 22 Mar 2026 - 20:33

score 38 · Answer 3 · 2026-03-29 05:43:26

38

Views

Is this function on antisymmetric 3-tensors (over $\ell^2$) bounded? $\sum_{i,j,k,l,m,n}A_{ijk}A_{imn}A_{ljn}A_{lmk}$

Published on 29 Mar 2026 - 5:43

score 436 · Answer 4 · 2026-03-26 07:59:07

436

Views

How to find a tighter upper bound on the spectral radius of the given matrix?

Published on 26 Mar 2026 - 7:59

score 610 · Answer 5 · 2026-03-29 19:28:29

610

Views

For large $n$, what is a good upper-bound for $\sqrt{1-x^{1/n}}$ valid for $x \in (0, 1)$?

Published on 29 Mar 2026 - 19:28

score 82 · Answer 6 · 2026-03-25 19:07:09

82

Views

How many ball removals before all bucket are same size, if a bucket is recursively unevenly sliced into $m$ buckets of size $\leq n/m$.

Published on 25 Mar 2026 - 19:07

score 135 · Answer 7 · 2020-01-14 07:56:19

135

Views

An upper bound on $\log\frac{x_{2}y_{2}}{x_{1}y_{1}}+\frac{1}{2}(x_{1}+y_{1})\bigg(\frac{1}{x_{2}}+\frac{1}{y_{2}}\bigg)-2$

Published on 14 Jan 2020 - 7:56

score 99 · Answer 8 · 2026-03-26 09:37:12

99

Views

How to find a sharper lower bound?

Published on 26 Mar 2026 - 9:37

score 47 · Answer 9 · 2020-01-16 21:50:54

47

Views

Find a minimal $N \in \mathbb{N}$ such that $|f(x)-T_Nf(x,0)| \le 10^{-6}$ without using Lagrange

Published on 16 Jan 2020 - 21:50

score 97 · Answer 10 · 2026-03-28 10:04:36

97

Views

How to find maxima and minima of a function with multiple variables each independently bounded in some range?

Published on 28 Mar 2026 - 10:04

score 65 · Answer 11 · 2020-01-17 21:04:45

65

Views

Upper bound of $f(y) -f(x)$ with $f$ $L$-smooth and concave

Published on 17 Jan 2020 - 21:04

score 71 · Answer 12 · 2026-03-28 12:03:04

71

Views

Show that $\| \mathbf{b} - \mathbf{A} \mathbf{x} \|_{2}^{2} < \| \mathbf{b}\|_{2}^{2}$ given $|x_{i}| = 1 \quad \forall i$

Published on 28 Mar 2026 - 12:03

score 74 · Answer 13 · 2020-01-18 08:31:54

74

Views

Show that $\sup X_1+\sup X_2+...+\sup X_k=\sup \{X_1+X_2+...+X_k\}$

Published on 18 Jan 2020 - 8:31

score 422 · Answer 14 · 2020-01-22 00:09:32

422

Views

Show That a Power Of 17 Exists Between $2^{16},2^{17}$

Published on 22 Jan 2020 - 0:09

score 275 · Answer 15 · 2020-01-22 02:51:07

275

Views

Upper and lower bounds of a definite integral given an interval and inequality

Published on 22 Jan 2020 - 2:51

List Question

Expectation of the ratio of two $\mathcal{X}^2(1)$ random variables

An application of the Triangle Inequality

Is this function on antisymmetric 3-tensors (over $\ell^2$) bounded? $\sum_{i,j,k,l,m,n}A_{ijk}A_{imn}A_{ljn}A_{lmk}$

How to find a tighter upper bound on the spectral radius of the given matrix?

For large $n$, what is a good upper-bound for $\sqrt{1-x^{1/n}}$ valid for $x \in (0, 1)$?

How many ball removals before all bucket are same size, if a bucket is recursively unevenly sliced into $m$ buckets of size $\leq n/m$.

An upper bound on $\log\frac{x_{2}y_{2}}{x_{1}y_{1}}+\frac{1}{2}(x_{1}+y_{1})\bigg(\frac{1}{x_{2}}+\frac{1}{y_{2}}\bigg)-2$

How to find a sharper lower bound?

Find a minimal $N \in \mathbb{N}$ such that $|f(x)-T_Nf(x,0)| \le 10^{-6}$ without using Lagrange

How to find maxima and minima of a function with multiple variables each independently bounded in some range?

Upper bound of $f(y) -f(x)$ with $f$ $L$-smooth and concave

Show that $\| \mathbf{b} - \mathbf{A} \mathbf{x} \|_{2}^{2} < \| \mathbf{b}\|_{2}^{2}$ given $|x_{i}| = 1 \quad \forall i$

Show that $\sup X_1+\sup X_2+...+\sup X_k=\sup \{X_1+X_2+...+X_k\}$

Show That a Power Of 17 Exists Between $2^{16},2^{17}$

Upper and lower bounds of a definite integral given an interval and inequality

Trending Questions

Popular # Hahtags

Popular Questions