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15
Math.TechQA.Club
2026-03-20 07:11:08
1.5k
Views
Is there a book on the purely mathematical version of perturbation theory?
Published on
20 Mar 2026 - 7:11
#reference-request
#quantum-mechanics
#perturbation-theory
556
Views
Limit of a function ("order of magnitude")
Published on
17 Mar 2026 - 3:41
#calculus
#analysis
#limits
#asymptotics
#perturbation-theory
131
Views
Unusual normalization related to the eigenvector perturbation
Published on
23 Mar 2026 - 1:28
#matrices
#eigenvalues-eigenvectors
#matrix-calculus
#perturbation-theory
476
Views
How to expand $\sqrt{x+\epsilon}$ in the following way?
Published on
22 Mar 2026 - 8:19
#power-series
#taylor-expansion
#perturbation-theory
505
Views
Perturbative expansion of an expression involving the matrix square root
Published on
23 Mar 2026 - 0:11
#linear-algebra
#matrices
#taylor-expansion
#matrix-calculus
#perturbation-theory
104
Views
Question on perturbation theory
Published on
22 Mar 2026 - 23:00
#matrices
#perturbation-theory
297
Views
How to find roots by perturbation methods for this problem?
Published on
22 Mar 2026 - 15:50
#roots
#perturbation-theory
531
Views
Find perturbed eigenvalues, eigenvectors by perturbation methods
Published on
23 Mar 2026 - 9:01
#matrices
#eigenvalues-eigenvectors
#perturbation-theory
155
Views
rationalize denominator for perturbation theory
Published on
23 Mar 2026 - 8:37
#ordinary-differential-equations
#perturbation-theory
#rationalising-denominator
58
Views
Solve recurrent ODE (elegantly?)
Published on
23 Mar 2026 - 8:41
#ordinary-differential-equations
#recurrence-relations
#perturbation-theory
453
Views
Upper bound on smallest singular value with subset condition
Published on
17 Mar 2026 - 19:32
#linear-algebra
#matrices
#perturbation-theory
122
Views
Perturbation expansion in derivation of NLSE
Published on
24 Mar 2026 - 19:49
#proof-explanation
#perturbation-theory
100
Views
Simple singularly perturbed systems
Published on
24 Mar 2026 - 11:42
#real-analysis
#functional-analysis
#ordinary-differential-equations
#dynamical-systems
#perturbation-theory
421
Views
Region of attraction of simple ODE with perturbation
Published on
22 Mar 2026 - 18:16
#ordinary-differential-equations
#dynamical-systems
#perturbation-theory
#basins-of-attraction
220
Views
Usage of ordering symbols
Published on
24 Mar 2026 - 17:34
#asymptotics
#perturbation-theory
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