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15
Math.TechQA.Club
2026-04-26 03:25:22
231
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Show that $\left(\left\{x, -x, \frac{1}{x}, -\frac{1}{x}\right\}, \circ\right)$ is a group.
Published on
26 Apr 2026 - 3:25
#linear-algebra
#group-theory
#functions
363
Views
Prove that two operators have a common eigenvector
Published on
11 Apr 2026 - 18:55
#linear-algebra
#eigenvalues-eigenvectors
#linear-transformations
#jordan-normal-form
25
Views
Factoring constant parts of division into a unique constant
Published on
11 Apr 2026 - 5:22
#linear-algebra
#factoring
1.1k
Views
Distance of projected point on convex set to any other point in set
Published on
11 May 2026 - 0:32
#linear-algebra
#optimization
#euclidean-geometry
#projection
123
Views
linear algebra basis of spac3 and dimensions
Published on
11 May 2026 - 1:48
#linear-algebra
#change-of-basis
932
Views
Upper bound on difference between eigenvalues of two non-symmetric matrices
Published on
11 Apr 2026 - 9:58
#linear-algebra
#eigenvalues-eigenvectors
#normed-spaces
1.7k
Views
How SVD for the frobenius norm has been calculated?
Published on
16 May 2026 - 15:49
#linear-algebra
#matrix-decomposition
#least-squares
#singular-values
#lu-decomposition
222
Views
How and why vector spaces are defined?
Published on
11 May 2026 - 6:23
#linear-algebra
#vector-spaces
#systems-of-equations
#math-history
199
Views
Example 5.37 (Eigenspace) of Linear Algebra Done Right, by Sheldon Axler
Published on
16 Apr 2026 - 3:19
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#linear-transformations
#proof-explanation
589
Views
Can two 3D lines define a plane?
Published on
10 Apr 2026 - 19:24
#linear-algebra
299
Views
Finding the inverse of $A$
Published on
13 May 2026 - 22:56
#linear-algebra
#matrices
#inverse
#companion-matrices
39
Views
Conflicting computations when attempting to diagonalize the matrix of a linear operator
Published on
11 May 2026 - 9:30
#linear-algebra
#diagonalization
544
Views
Prove if $\dim(\ker(T))=n-1$ then $T$ has at most 2 distinct eigenvalues
Published on
13 Apr 2026 - 22:19
#linear-algebra
#eigenvalues-eigenvectors
#linear-transformations
120
Views
Uniform bound on a compact space (by Taylor expansion?)
Published on
11 May 2026 - 1:26
#real-analysis
#linear-algebra
#taylor-expansion
#compactness
#positive-definite
231
Views
What is the number of connected components of solutions to $y^3 +3xy^2 - x^3 = 1$
Published on
14 Apr 2026 - 7:07
#linear-algebra
#general-topology
#algebraic-geometry
#contest-math
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