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15
Math.TechQA.Club
2026-04-13 14:12:06
119
Views
Why is variance defined as $\sum\limits_{n} |\mu -x_i|^2$ and not $\sum\limits_{n} |\mu -x_i|$?
Published on
13 Apr 2026 - 14:12
#probability
#statistics
#soft-question
#definition
#variance
629
Views
Which one is best book for Topology ( for General Topology)?
Published on
11 Apr 2026 - 6:09
#general-topology
#soft-question
#book-recommendation
109
Views
example of a physical phenomenon
Published on
12 Apr 2026 - 21:14
#reference-request
#soft-question
#markov-chains
#markov-process
229
Views
Deriving the equation of a plane $Ax+By+Cz=D$.
Published on
13 Apr 2026 - 15:30
#linear-algebra
#vector-spaces
#proof-writing
#soft-question
#definition
247
Views
Dot product is length of the projection?
Published on
07 Apr 2026 - 11:55
#linear-algebra
#soft-question
#inner-products
92
Views
Connections between numerical calculation of eigenvalues and other topics
Published on
12 Apr 2026 - 21:40
#matrices
#reference-request
#eigenvalues-eigenvectors
#soft-question
#numerical-linear-algebra
811
Views
Books on linear algebra more focused towards matrices and determinants rather than vector spaces
Published on
13 Apr 2026 - 7:09
#linear-algebra
#matrices
#soft-question
#determinant
#book-recommendation
1.9k
Views
Why is it the (group) morphisms that matter?
Published on
12 Apr 2026 - 0:55
#group-theory
#category-theory
#soft-question
#group-homomorphism
80
Views
intuition behind the process of finding Laurent series
Published on
09 Apr 2026 - 15:57
#complex-analysis
#soft-question
#laurent-series
42
Views
A question on a necessary and sufficient condition of UFD
Published on
26 Mar 2026 - 0:53
#abstract-algebra
#ring-theory
#soft-question
#unique-factorization-domains
180
Views
How to study Rosen book in discrete mathematics
Published on
09 Apr 2026 - 6:02
#discrete-mathematics
#soft-question
#self-learning
#book-recommendation
#advice
207
Views
$G$-spaces vs spaces with a $G$-action
Published on
06 Apr 2026 - 11:21
#soft-question
#homotopy-theory
#stable-homotopy-theory
#equivariant-cohomology
37
Views
Should we expect randomly chosen random variables to be independent?
Published on
12 Apr 2026 - 6:08
#real-analysis
#probability
#probability-theory
#measure-theory
#soft-question
674
Views
prerequisites for Hilbert spaces
Published on
12 Apr 2026 - 15:49
#soft-question
#hilbert-spaces
#advice
333
Views
In which sense modules generalize vector bundles?
Published on
13 Apr 2026 - 14:37
#algebraic-geometry
#reference-request
#commutative-algebra
#category-theory
#soft-question
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