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15
Math.TechQA.Club
2026-04-13 09:38:01
242
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Projector of an eigenvector
Published on
13 Apr 2026 - 9:38
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#projection-matrices
48
Views
Eigenvalues and eigenspaces of differential operator on finitely generated vector space
Published on
25 Mar 2026 - 9:48
#linear-algebra
#eigenvalues-eigenvectors
#eigenfunctions
#differential-operators
135
Views
Let $A\in M_n$, if $\operatorname{rank}(A+I)+\operatorname{rank}(A-I)=n$, find an eigenvalue of $A$.
Published on
14 Apr 2026 - 20:30
#linear-algebra
#matrices
#eigenvalues-eigenvectors
88
Views
Question about the proof that compatible obverables commute.
Published on
12 Apr 2026 - 10:42
#eigenvalues-eigenvectors
#operator-theory
#physics
#quantum-mechanics
74
Views
Eigenvalue Equation
Published on
12 Apr 2026 - 20:53
#linear-algebra
#eigenvalues-eigenvectors
196
Views
A real matrix with no eigenvalues is not invertible? True or False
Published on
16 Apr 2026 - 4:24
#eigenvalues-eigenvectors
#determinant
#inverse
161
Views
Determinant and spectrum of a special block matrix
Published on
26 Mar 2026 - 7:33
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#determinant
#block-matrices
117
Views
Problem of characteristic and minimal polynomials.
Published on
29 Mar 2026 - 10:15
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#diagonalization
#minimal-polynomials
485
Views
Find value of parameter so that a matrix with real elements has two different eigenvalues.
Published on
14 Apr 2026 - 7:56
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#self-learning
#diagonalization
52
Views
What makes matrices unique?
Published on
09 Apr 2026 - 2:34
#matrices
#eigenvalues-eigenvectors
2.5k
Views
Theorem: $AB$ and $BA$ have the same non-zero eigenvalues
Published on
15 Apr 2026 - 9:37
#linear-algebra
#eigenvalues-eigenvectors
2.5k
Views
Eigendecomposition and Diagonalization of a matrix.
Published on
13 Apr 2026 - 19:55
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#diagonalization
200
Views
A step in the proof of the Spectral Theorem
Published on
12 Apr 2026 - 8:34
#real-analysis
#functional-analysis
#eigenvalues-eigenvectors
#operator-theory
82
Views
Detail in the proof that eigenvectors are orthogonal
Published on
11 Apr 2026 - 17:19
#linear-algebra
#eigenvalues-eigenvectors
#orthogonality
#transpose
69
Views
How to solve the following polynomial equation?
Published on
09 Apr 2026 - 6:18
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#determinant
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