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15
Math.TechQA.Club
2026-04-17 08:07:02
59
Views
Prove that the following function $f(X)=XX^{t}$ is differentiable
Published on
17 Apr 2026 - 8:07
#analysis
#multivariable-calculus
#derivatives
#matrix-calculus
32
Views
is there a path in the complex plane such that z^z is not equal to 1 as z->0?
Published on
10 Apr 2026 - 23:17
#complex-analysis
#multivariable-calculus
#complex-numbers
74
Views
Deducing $\;\frac{{\partial}^2 f}{\partial x_i \partial x_j}=0\;\forall i\neq j\;$
Published on
14 Apr 2026 - 19:40
#calculus
#real-analysis
#multivariable-calculus
#analytic-geometry
#rotations
1.3k
Views
L2 norm of a function w.r.t. its gradient
Published on
15 Apr 2026 - 23:43
#functional-analysis
#measure-theory
#multivariable-calculus
#normed-spaces
#sobolev-spaces
39
Views
For the surface given below, find the tangent plane at point P and the normal line at P
Published on
15 Apr 2026 - 0:53
#multivariable-calculus
474
Views
Does the curve $(t^2, t^5)$ have a tangent at the origin?
Published on
16 Apr 2026 - 2:10
#multivariable-calculus
#derivatives
#tangent-line
243
Views
The triangle in the $(x,y)$ plane bounded by the lines $y=x, ~y=-x$ and $y=2$
Published on
16 Apr 2026 - 10:02
#multivariable-calculus
145
Views
How does $\iint_{\mathbf{ℝ^2}}\frac{x}{1+x^2+y^2}dxdy$ diverge?
Published on
15 Apr 2026 - 10:36
#calculus
#multivariable-calculus
#improper-integrals
1.4k
Views
(higher order) gradient of vector valued functions
Published on
25 Mar 2026 - 7:30
#multivariable-calculus
#optimization
#matrix-calculus
#nonlinear-optimization
536
Views
Second variation corresponding to the functional
Published on
09 Apr 2026 - 7:23
#multivariable-calculus
#sobolev-spaces
#harmonic-functions
#regularity-theory-of-pdes
#fractional-sobolev-spaces
111
Views
Finding double integral in terms of $\alpha$
Published on
10 Apr 2026 - 20:58
#integration
#multivariable-calculus
#definite-integrals
#multiple-integral
274
Views
Expressing a triple integral in cylindrical coordinates in different orders of integration
Published on
07 Apr 2026 - 8:47
#multivariable-calculus
#cylindrical-coordinates
59
Views
Lagrange Multiplier Question to find extrema
Published on
10 Apr 2026 - 20:31
#multivariable-calculus
#lagrange-multiplier
78
Views
Points on the surface $x y^3 z^2=16$ that are closest to origin
Published on
15 Apr 2026 - 23:12
#multivariable-calculus
#maxima-minima
59
Views
how to show that $\Delta [\frac{c- |x-a|^2}{|x-b|^n}] = 2n|x-b|^{-n-2}(c-|a-b|^2), \; x \neq b$
Published on
15 Apr 2026 - 14:37
#calculus
#multivariable-calculus
#laplacian
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