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15
Math.TechQA.Club
2026-03-26 07:20:26
40
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Question concerning the global extrema of a function on a certain set
Published on
26 Mar 2026 - 7:20
#multivariable-calculus
44
Views
Compute Matrix with Respect to Basis:
Published on
01 Apr 2026 - 9:51
#real-analysis
#multivariable-calculus
#vector-analysis
#self-learning
5.2k
Views
Double integral over trapezoid domain
Published on
26 Mar 2026 - 0:30
#calculus
#integration
#multivariable-calculus
6.4k
Views
Existence of Partial Derivatives Implies Differentiability
Published on
26 Mar 2026 - 8:25
#real-analysis
#multivariable-calculus
#vector-analysis
#self-learning
1.5k
Views
Direction in which a ball lands.
Published on
05 Apr 2026 - 20:42
#calculus
#multivariable-calculus
#vector-spaces
#differential
28
Views
Differential of a two variable's inverse functoin
Published on
25 Mar 2026 - 16:53
#multivariable-calculus
#differential
197
Views
Didn't understand a step in Einstein's paper on special relativity
Published on
09 Apr 2026 - 1:56
#multivariable-calculus
#partial-derivative
#physics
#infinitesimals
#special-relativity
51
Views
How to find the volume of the following solid
Published on
26 Mar 2026 - 2:47
#multivariable-calculus
#volume
589
Views
Confusion about Surfaces, Normal Vectors in $R^n$
Published on
01 Apr 2026 - 15:40
#multivariable-calculus
#differential-geometry
41
Views
Prove that if $(x_0,y_0)$ is local extremum, then the second order derivatives are all zero.
Published on
25 Mar 2026 - 19:51
#multivariable-calculus
#derivatives
359
Views
Velocity vector and Distance traveled function
Published on
06 Apr 2026 - 11:34
#multivariable-calculus
#vector-spaces
#parametric
63
Views
Integrating extended function
Published on
05 Apr 2026 - 15:55
#calculus
#integration
#multivariable-calculus
#definite-integrals
#multiple-integral
628
Views
Let $f : \mathbb{R}^n\to \mathbb{R}^n$ be given by the equation $f(x) = ||x||^2·x$. Show that $f$ is of class $C^{\infty}$ and that $f$
Published on
26 Mar 2026 - 12:26
#calculus
#real-analysis
#analysis
#multivariable-calculus
#vector-analysis
38
Views
Proof explanation involving colinear gradients and extrema(problem too big for the title)
Published on
26 Mar 2026 - 14:14
#multivariable-calculus
#proof-explanation
77
Views
Absolute extrema of a multivariable function
Published on
25 Mar 2026 - 23:18
#multivariable-calculus
#maxima-minima
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