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15
Math.TechQA.Club
2026-04-07 23:42:41
927
Views
Writing del, divergence, and curl in generalized coordinates
Published on
07 Apr 2026 - 23:42
#coordinate-systems
#derivatives
#notation
#vector-fields
51
Views
How to further expand $\text{grad} \left( \vec{a} \cdot\vec{b} \right ) = \vec{\nabla} \left (\vec{a} \cdot\vec{b} \right )$?
Published on
28 Mar 2026 - 18:15
#derivatives
#notation
#vector-fields
44
Views
Trying to understand a basic homotopy between two functions.
Published on
10 Apr 2026 - 3:06
#functions
#notation
#homotopy-theory
#transformation
70
Views
Set or tuple? Plus notation recommendations
Published on
31 Oct 2019 - 18:40
#sequences-and-series
#notation
232
Views
Confusion regarding the cycle notation.
Published on
25 Mar 2026 - 22:01
#abstract-algebra
#group-theory
#permutations
#notation
#permutation-cycles
90
Views
What does '$d|z|$' mean?
Published on
11 Apr 2026 - 0:59
#complex-analysis
#notation
#contour-integration
82
Views
What does this expectation notation in a Markov's inequality mean?
Published on
12 Apr 2026 - 0:01
#probability
#notation
210
Views
Boyd & Vandenberghe's pointwise supremum notation
Published on
29 Mar 2026 - 12:50
#optimization
#notation
#convex-optimization
#supremum-and-infimum
128
Views
Vector indexes.
Published on
03 Nov 2019 - 11:34
#notation
52
Views
What is LN in the formula?
Published on
09 Apr 2026 - 15:41
#notation
29
Views
Does $\partial g(f(x_{0}) \partial f(x_{0})$ mean the product of $\partial g(f(x_{0}))$ and $\partial f(x_{0})$?
Published on
06 Apr 2026 - 0:20
#real-analysis
#derivatives
#notation
#partial-derivative
816
Views
In the derivative notation $f'(x)$, does the $(x)$ mean "with respect to $x$" or something else?
Published on
04 Nov 2019 - 6:39
#calculus
#derivatives
#notation
76
Views
Notation question: $\mid $
Published on
04 Nov 2019 - 6:49
#notation
71
Views
Convolution notation & meaning
Published on
10 Apr 2026 - 4:03
#notation
#convolution
58
Views
Meaning of pullback functor in a particular setting
Published on
04 Nov 2019 - 15:38
#logic
#category-theory
#notation
#type-theory
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