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15
Math.TechQA.Club
2026-04-08 13:10:14
21
Views
Extract a matrix of the expected value.
Published on
08 Apr 2026 - 13:10
#linear-algebra
#matrices
#expected-value
21
Views
Linear regression feature is combination of other features, but has OPPOSITE correlation?
Published on
11 Apr 2026 - 20:49
#linear-algebra
#machine-learning
#correlation
#linear-regression
21
Views
Prove that,If a subset E of Real numbers is open, then complement of E is closed
Published on
14 Apr 2026 - 3:54
#real-analysis
21
Views
Showing: $\mathcal{P}(A_{Z\backslash \{i\}},b_{Z\backslash \{i\}})\neq \mathcal{P}_\iff\exists \mathcal{F}\text{ (non-trivial) }$ of $\mathcal{P}$
Published on
31 Mar 2026 - 8:12
#optimization
#solution-verification
#polyhedra
21
Views
Can you explain if you fulfill this example with a function.
Published on
11 Apr 2026 - 16:00
#calculus
21
Views
Taylor expansion inside expectation
Published on
12 Apr 2026 - 17:31
#proof-explanation
#taylor-expansion
21
Views
If second quartile is equal to fourth quartile can we prove the third quartile?
Published on
16 Sep 2020 - 15:20
#probability-distributions
21
Views
How is this multiaxial relationship derived in this paper?
Published on
11 Apr 2026 - 16:02
#partial-differential-equations
#classical-mechanics
21
Views
Bound $\frac{||W^Tx||}{||Wx||}$ for non-symmetric $W$.
Published on
14 Apr 2026 - 4:38
#linear-algebra
#eigenvalues-eigenvectors
21
Views
Recursive expression of gradient for dynamical sytem
Published on
13 Apr 2026 - 0:45
#multivariable-calculus
#derivatives
#recurrence-relations
#dynamical-systems
21
Views
Prove that $ \sum\nolimits_{n=1}^{ \infty } u_n(x)$ converges uniformly at $[0,1]$, when $u_n(x) = (-1)^n*(1-x)*x^n$
Published on
11 Apr 2026 - 16:02
#calculus
#sequences-and-series
#convergence-divergence
#uniform-convergence
21
Views
Problem on fixed point existence
Published on
11 Apr 2026 - 6:05
#real-analysis
#metric-spaces
21
Views
Clarification on definition for this piecewise function
Published on
10 Apr 2026 - 10:15
#fourier-series
#piecewise-continuity
21
Views
Do variables parameterizing model solutions have a special status?
Published on
12 Apr 2026 - 13:07
#statistics
#mathematical-modeling
21
Views
To prove or disprove, $d(p,X\setminus B_1)=d(p,B_2\setminus B_1)$, where $B_1\subset B_2$
Published on
10 Sep 2020 - 16:58
#metric-spaces
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