Question

Are all matrices A and B ($3x3$), such that $B = A * 10$ congruent over field $\mathbb{Z}_{13}$?

score 17 · Answer 1 · 2021-04-11 19:25:31

17

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Are all matrices A and B ($3x3$), such that $B = A * 10$ congruent over field $\mathbb{Z}_{13}$?

Published on 11 Apr 2021 - 19:25

score 17 · Answer 2 · 2021-04-11 11:26:59

17

Views

To find a formula for $f_j$ with $f_0 = 0$ when $v = -1,1,-1,1$

Published on 11 Apr 2021 - 11:26

score 17 · Answer 3 · 2021-04-09 15:02:15

17

Views

Why is $A'_Y \subseteq A'$

Published on 09 Apr 2021 - 15:02

score 17 · Answer 4 · 2021-04-09 13:28:01

17

Views

Invertibiity of random matrix with correlated entries

Published on 09 Apr 2021 - 13:28

score 17 · Answer 5 · 2026-03-12 08:10:49

17

Views

If $T$ and $T'$ have the same subspace topology on $Cl_T(A)$ then $Cl_{T'}(A)=Cl_T(A)$?

Published on 12 Mar 2026 - 8:10

score 17 · Answer 6 · 2021-04-07 17:43:13

17

Views

Trying to show equality holds between integrals with respect to a probability measure

Published on 07 Apr 2021 - 17:43

score 17 · Answer 7 · 2021-04-07 14:33:30

17

Views

Proving $\sum_{k=0}^n {x+k \choose k} = {x+n+1 \choose n}$

Published on 07 Apr 2021 - 14:33

score 17 · Answer 8 · 2021-04-07 13:04:23

17

Views

What can we say about the integral $\int_{\Omega}(f\circ\frac{du}{dt})dt$ in some given conditions on the functions?

Published on 07 Apr 2021 - 13:04

score 17 · Answer 9 · 2021-04-06 04:15:15

17

Views

Relationship between the gradient of parametrized scalar-valued function and its own gradient?

Published on 06 Apr 2021 - 4:15

score 17 · Answer 10 · 2021-04-04 08:50:07

17

Views

A bit of amorphic question about SVD

Published on 04 Apr 2021 - 8:50

score 17 · Answer 11 · 2026-03-12 08:16:25

17

Views

Corollary of The Immersion Theorem

Published on 12 Mar 2026 - 8:16

score 17 · Answer 12 · 2021-04-02 13:46:33

17

Views

Proving existence and uniqueness for a $3 \times 3$ nonlinear system of algebraic-trigonometric equations

Published on 02 Apr 2021 - 13:46

score 17 · Answer 13 · 2021-04-01 17:12:15

17

Views

Points connected to graph

Published on 01 Apr 2021 - 17:12

score 17 · Answer 14 · 2021-04-01 14:23:01

17

Views

To make $\max_a c^T a - \alpha\cdot\|a\| < \infty$, what is the requirement for $c$ and $\alpha$

Published on 01 Apr 2021 - 14:23

score 17 · Answer 15 · 2026-03-12 08:16:10

17

Views

Change of variable $u_i=\sum_j M_{ij}c_j$ in integral

Published on 12 Mar 2026 - 8:16

List Question

Are all matrices A and B ($3x3$), such that $B = A * 10$ congruent over field $\mathbb{Z}_{13}$?

To find a formula for $f_j$ with $f_0 = 0$ when $v = -1,1,-1,1$

Why is $A'_Y \subseteq A'$

Invertibiity of random matrix with correlated entries

If $T$ and $T'$ have the same subspace topology on $Cl_T(A)$ then $Cl_{T'}(A)=Cl_T(A)$?

Trying to show equality holds between integrals with respect to a probability measure

Proving $\sum_{k=0}^n {x+k \choose k} = {x+n+1 \choose n}$

What can we say about the integral $\int_{\Omega}(f\circ\frac{du}{dt})dt$ in some given conditions on the functions?

Relationship between the gradient of parametrized scalar-valued function and its own gradient?

A bit of amorphic question about SVD

Corollary of The Immersion Theorem

Proving existence and uniqueness for a $3 \times 3$ nonlinear system of algebraic-trigonometric equations

Points connected to graph

To make $\max_a c^T a - \alpha\cdot\|a\| < \infty$, what is the requirement for $c$ and $\alpha$

Change of variable $u_i=\sum_j M_{ij}c_j$ in integral

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