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15
Math.TechQA.Club
2026-03-26 19:03:50
212
Views
Summation notation to vector notation
Published on
26 Mar 2026 - 19:03
#vectors
#index-notation
37
Views
How to write $A=\{...,A_{-2},A_{-1},A_{0},A_{1},A_{2},...\}$ using the union notation?
Published on
26 Mar 2026 - 18:59
#elementary-set-theory
#notation
#index-notation
318
Views
Notation: How to express a "set of randomly drawn indices"
Published on
26 Mar 2026 - 19:05
#combinatorics
#notation
#index-notation
46
Views
Explanation of the definition of Euclidean metric.
Published on
26 Mar 2026 - 19:03
#differential-geometry
#tensors
#index-notation
255
Views
System of equations and Einstein notation
Published on
26 Mar 2026 - 19:03
#linear-algebra
#systems-of-equations
#index-notation
315
Views
name or symbol for "anti" Kronecker delta?
Published on
10 May 2026 - 15:46
#notation
#index-notation
#kronecker-symbol
68
Views
multi-index notatons
Published on
21 Apr 2026 - 19:12
#notation
#index-notation
104
Views
Iteration notation
Published on
25 Apr 2026 - 20:08
#notation
#index-notation
182
Views
Are indexed symbols just evaluated functions?
Published on
25 Apr 2026 - 14:35
#functions
#notation
#index-notation
381
Views
Notation for collection of sets
Published on
26 Mar 2026 - 20:36
#notation
#index-notation
125
Views
Index notation: associative property
Published on
26 Apr 2026 - 9:52
#vector-analysis
#tensor-products
#tensors
#differential-operators
#index-notation
38
Views
Unknown index in a model theoretic considerations
Published on
26 Apr 2026 - 1:10
#elementary-set-theory
#first-order-logic
#model-theory
#cardinals
#index-notation
198
Views
Confusion with elimination of index variable if it does not appear in the summand - Concrete Mathematics, D.Knuth
Published on
25 Apr 2026 - 17:21
#discrete-mathematics
#inequality
#summation
#factoring
#index-notation
120
Views
Which is the standard notation for an infinite summation (or any summation-like operator) without indexes?
Published on
27 Apr 2026 - 4:16
#sequences-and-series
#summation
#notation
#infinity
#index-notation
46
Views
Why is $a^i_jA^j_k=\delta^i_ka$ valid
Published on
10 May 2026 - 17:37
#linear-algebra
#determinant
#tensors
#index-notation
#kronecker-delta
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