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Spectral Decomposition of $A=PDP^{-1}$

score 1.3k · Answer 1 · 2026-04-01 18:13:31

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Spectral Decomposition of $A=PDP^{-1}$

Published on 01 Apr 2026 - 18:13

score 1.6k · Answer 2 · 2026-03-25 00:07:42

1.6k

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Find Dual Basis of Finite Vector Space of Polynomials

Published on 25 Mar 2026 - 0:07

score 6.1k · Answer 3 · 2018-03-14 20:38:44

6.1k

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Checking if a 2x2-matrix is linear combination of other

Published on 14 Mar 2018 - 20:38

score 79 · Answer 4 · 2026-03-26 19:05:04

79

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Does each distinct eigenvalue of a matrix correspond to a unique eigenspace?

Published on 26 Mar 2026 - 19:05

score 105 · Answer 5 · 2018-03-14 21:21:13

105

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Finding dimensions of null and column space for different parameters of $t$

Published on 14 Mar 2018 - 21:21

score 97 · Answer 6 · 2026-04-02 03:48:52

97

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Is the set of non decreasing functions a "planar cone"?

Published on 02 Apr 2026 - 3:48

score 145 · Answer 7 · 2026-04-04 03:55:39

145

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Are there other non-trivial invariant subspaces of a linear operator other than the eigenspaces and their combinations?

Published on 04 Apr 2026 - 3:55

score 31 · Answer 8 · 2018-03-14 21:40:13

31

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Is set of vectors dependent in R²

Published on 14 Mar 2018 - 21:40

score 53 · Answer 9 · 2026-03-25 08:10:04

53

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Help in proving linear algebra about inverse of a symmetric matrix

Published on 25 Mar 2026 - 8:10

score 647 · Answer 10 · 2026-04-05 22:09:52

647

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History Question - QR Factorization

Published on 05 Apr 2026 - 22:09

score 29 · Answer 11 · 2026-03-26 19:02:48

Assume $B=\{b_1,...,b_n\}$ is a basis of some vector space $V$ and let $C,D$ be other bases of $V$. $[b_i]_C=[b_i]_D \forall i \rightarrow C=D$?

score 39 · Answer 12 · 2026-03-26 19:01:05

39

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Proving either $T(v)=0$ or $T(x)=v$ has a solution for every $v$ in $V$?

Published on 26 Mar 2026 - 19:01

score 944 · Answer 13 · 2026-03-26 19:01:49

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Verify that the following is an isomorphism $T$:$P_1$ → $R^2; T[p(x)]=[p(0),p(1)]$

Published on 26 Mar 2026 - 19:01

score 1.3k · Answer 14 · 2026-03-25 08:07:15

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Finding invertible matricies without doing row operations

Published on 25 Mar 2026 - 8:07

score 1.9k · Answer 15 · 2026-03-24 23:45:06

1.9k

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Is it always possible to row reduce any matrix to echelon form?

Published on 24 Mar 2026 - 23:45

List Question

Spectral Decomposition of $A=PDP^{-1}$

Find Dual Basis of Finite Vector Space of Polynomials

Checking if a 2x2-matrix is linear combination of other

Does each distinct eigenvalue of a matrix correspond to a unique eigenspace?

Finding dimensions of null and column space for different parameters of $t$

Is the set of non decreasing functions a "planar cone"?

Are there other non-trivial invariant subspaces of a linear operator other than the eigenspaces and their combinations?

Is set of vectors dependent in R²

Help in proving linear algebra about inverse of a symmetric matrix

History Question - QR Factorization

Assume $B=\{b_1,...,b_n\}$ is a basis of some vector space $V$ and let $C,D$ be other bases of $V$. $[b_i]_C=[b_i]_D \forall i \rightarrow C=D$?

Proving either $T(v)=0$ or $T(x)=v$ has a solution for every $v$ in $V$?

Verify that the following is an isomorphism $T$:$P_1$ → $R^2; T[p(x)]=[p(0),p(1)]$

Finding invertible matricies without doing row operations

Is it always possible to row reduce any matrix to echelon form?

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