Question

An underdetermined system derived for rotated coordinate system

score 95 · Answer 1 · 2026-05-05 15:56:33

95

Views

An underdetermined system derived for rotated coordinate system

Published on 05 May 2026 - 15:56

score 109 · Answer 2 · 2026-05-05 20:08:33

109

Views

How to prove the following equality with matrix norm?

Published on 05 May 2026 - 20:08

score 281 · Answer 3 · 2026-05-06 03:49:39

281

Views

Alternate basis for a subspace of $\mathcal P_3(\mathbb R)$?

Published on 06 May 2026 - 3:49

score 75 · Answer 4 · 2026-05-06 03:12:18

75

Views

Why the derivative of $T(\gamma(s))$ is $T$ if this composition is not a linear transformation?

Published on 06 May 2026 - 3:12

score 86 · Answer 5 · 2026-05-06 07:27:17

86

Views

Why is necessary ask $F$ to be infinite in order to obtain: $ f(v)=0$ for all $ f\in V^* \implies v=0 $

Published on 06 May 2026 - 7:27

score 131 · Answer 6 · 2026-05-05 23:34:25

131

Views

I don't understand this $\left(\left[T\right]^B_C\right)^{-1}=\left[T^{-1}\right]^C_B$

Published on 05 May 2026 - 23:34

score 58 · Answer 7 · 2026-05-07 19:51:41

58

Views

Summation in subsets

Published on 07 May 2026 - 19:51

score 785 · Answer 8 · 2026-05-05 13:40:20

785

Views

$C=AB-BA$. If $CA=AC$, then $C$ is not invertible.

Published on 05 May 2026 - 13:40

score 290 · Answer 9 · 2026-05-06 15:31:00

290

Views

Basis of span in $R^4$

Published on 06 May 2026 - 15:31

score 86 · Answer 10 · 2026-05-07 17:41:38

86

Views

Prove if A is regular skew symmetric, I+A is regular (with obstacles)

Published on 07 May 2026 - 17:41

score 1.2k · Answer 11 · 2026-05-06 16:30:32

1.2k

Views

Dimension of solution space of homogeneous differential equation, proof

Published on 06 May 2026 - 16:30

score 53 · Answer 12 · 2026-04-29 12:06:37

53

Views

A different way to define homomorphism.

Published on 29 Apr 2026 - 12:06

score 542 · Answer 13 · 2026-05-04 21:59:42

542

Views

Linear Algebra and Vector spaces

Published on 04 May 2026 - 21:59

score 100 · Answer 14 · 2026-05-05 16:02:56

100

Views

Particular commutator matrix is strictly lower triangular, or at least annihilates last base vector

Published on 05 May 2026 - 16:02

score 254 · Answer 15 · 2026-05-07 07:40:57

254

Views

Proving dual convex cone property

Published on 07 May 2026 - 7:40

List Question

An underdetermined system derived for rotated coordinate system

How to prove the following equality with matrix norm?

Alternate basis for a subspace of $\mathcal P_3(\mathbb R)$?

Why the derivative of $T(\gamma(s))$ is $T$ if this composition is not a linear transformation?

Why is necessary ask $F$ to be infinite in order to obtain: $ f(v)=0$ for all $ f\in V^* \implies v=0 $

I don't understand this $\left(\left[T\right]^B_C\right)^{-1}=\left[T^{-1}\right]^C_B$

Summation in subsets

$C=AB-BA$. If $CA=AC$, then $C$ is not invertible.

Basis of span in $R^4$

Prove if A is regular skew symmetric, I+A is regular (with obstacles)

Dimension of solution space of homogeneous differential equation, proof

A different way to define homomorphism.

Linear Algebra and Vector spaces

Particular commutator matrix is strictly lower triangular, or at least annihilates last base vector

Proving dual convex cone property

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