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15
Math.TechQA.Club
2026-04-17 00:21:20
57
Views
Calculating the Variance of the Product of Two Standard Normally Distributed Vectors
Published on
17 Apr 2026 - 0:21
#vectors
#normal-distribution
#variance
#standard-deviation
#chi-squared
96
Views
Partial derivative is tangent vector of a manifold
Published on
14 Apr 2026 - 21:00
#differential-geometry
#vectors
#derivatives
79
Views
Which vector rotation is correct?
Published on
16 Apr 2026 - 10:09
#vectors
#rotations
47
Views
Difference of magnitude of unit vectors?
Published on
15 Apr 2026 - 21:34
#vectors
79
Views
A problem with cross product of two vectors
Published on
10 Apr 2026 - 20:01
#multivariable-calculus
#vectors
#cross-product
16
Views
A derivation of the calculation between base vectors and reciprocal base vectors
Published on
24 Apr 2026 - 14:24
#matrices
#vector-spaces
#vectors
42
Views
Visual (geometric) intuition behind a problem involving vector calculus
Published on
14 Apr 2026 - 4:49
#calculus
#vector-spaces
#numerical-methods
#vectors
#numerical-linear-algebra
179
Views
Second derivative of $\ell_p$ norm of a vector
Published on
13 Apr 2026 - 23:40
#multivariable-calculus
#derivatives
#vectors
#hessian-matrix
78
Views
Finding the equation of a plane given a point and a perpendicular line
Published on
14 May 2026 - 22:51
#multivariable-calculus
#solution-verification
#vectors
34
Views
Help with finding a vector, line, and point in 3D space (linear-algebra)
Published on
11 Apr 2026 - 19:43
#linear-algebra
#geometry
#vectors
109
Views
Angle of vectors is $\frac \pi 6$ as dimension approaches $\infty$
Published on
11 Apr 2026 - 12:02
#linear-algebra
#geometry
#vectors
#euclidean-geometry
#intuition
59
Views
What does $\nabla_k$ mean?
Published on
05 May 2026 - 23:19
#notation
#vectors
45
Views
Maximum value of $c$ for a given condition involving unit vectors in 2D
Published on
12 Apr 2026 - 19:52
#trigonometry
#inequality
#proof-writing
#vectors
#maxima-minima
107
Views
Vector Projections/Dot Product properties
Published on
15 Apr 2026 - 21:15
#linear-algebra
#vector-spaces
#vectors
44
Views
How to calculate the directional derivative of $x \mapsto \frac12 \|Ax\|_2^2$?
Published on
13 Apr 2026 - 19:26
#calculus
#multivariable-calculus
#derivatives
#vectors
#partial-derivative
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