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15
Math.TechQA.Club
2026-04-12 02:30:43
22
Views
Transforming Integration Solid angle under $\hat{x}^i\rightarrow-\hat{x}^i$
Published on
12 Apr 2026 - 2:30
#calculus
#differential-geometry
#vector-analysis
22
Views
For two multivariate function, do the functions always having the same value mean that the derivatives always have the same value?
Published on
19 Jul 2023 - 14:15
#matrices
#vector-analysis
151
Views
Strange interval notation:$\;]a,b[$
Published on
11 Apr 2026 - 13:36
#calculus
#notation
#vector-analysis
#math-history
69
Views
Normal unit vector of shape operator
Published on
11 Apr 2026 - 9:55
#differential-geometry
#vector-analysis
#curves
#surfaces
#vector-fields
43
Views
Equivalent Statement for Complex Integral
Published on
12 Apr 2026 - 1:45
#complex-analysis
#multivariable-calculus
#vector-analysis
83
Views
Reference request for the Liouville theorem (Liouville measure & Hamiltonians) on Riemannian manifolds
Published on
07 Apr 2026 - 6:50
#reference-request
#dynamical-systems
#vector-analysis
#mathematical-physics
#semiclassical-analysis
36
Views
To evaluate $\int \int_{S} \hat{n}×(\bar{a} × \bar{r}) dS$
Published on
29 Mar 2026 - 20:09
#vector-analysis
#surface-integrals
60
Views
Trace of "quadratic form"-like expression involving orthonormal vector fields and their Jacobian
Published on
27 Mar 2026 - 10:10
#vector-analysis
#orthonormal
#jacobian
48
Views
A formula for integral on Implicit surface
Published on
12 Apr 2026 - 5:15
#calculus
#analysis
#vector-analysis
132
Views
Can the Jacobian be written as $\mathbf{f}\nabla^T$?
Published on
12 Apr 2026 - 2:04
#vector-analysis
81
Views
Averaging the components of a unit vector over a circle
Published on
26 Jul 2023 - 16:45
#vector-analysis
#tensors
45
Views
Suppose that $f: \mathbb R^3 →\mathbb R$, where $f$ is defined by $f(x_1, x_2, x_3)=3x_1-2x_3+x_1(2x_2-1)+(x_1+x_2-x_3)^2-1000$
Published on
30 Mar 2026 - 8:57
#eigenvalues-eigenvectors
#vectors
#vector-analysis
#vector-fields
#quadratic-forms
39
Views
When do function value and gradient along a curve determine the function in a neighbourhood of the curve?
Published on
02 Aug 2023 - 16:08
#calculus
#multivariable-calculus
#vector-analysis
163
Views
Differentiating with respect to unit vectors on a hypersphere
Published on
12 Apr 2026 - 4:25
#calculus
#vectors
#partial-derivative
#vector-analysis
#mathematical-physics
61
Views
Determine the flux of $u=(xz,yz,z^3)$ out of unit sphere $x^2+y^2+z^2=1$ (Verification)
Published on
08 Aug 2023 - 9:03
#multivariable-calculus
#solution-verification
#vector-analysis
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