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Mathematics

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First retag.
Awarded 8439 times.
Distance between subspaces after premultiplication by diagonal matrice
Awarded Jul 14, 2024 at 2:26
Given is the system of equations, solve using numerical methods
Awarded Jul 13, 2024 at 10:45
I want to check the positive definiteness of the matrix $\Lambda$
Awarded Jul 9, 2024 at 16:03
(post deleted or otherwise unavailable)
Awarded Jul 6, 2024 at 10:42
(post deleted or otherwise unavailable)
Awarded Jul 1, 2024 at 7:03
Question about Hölder's inequality for n-dimensional euclidean spaces.
Awarded Jun 28, 2024 at 21:46
Relation between rank and null space of transpose
Awarded Jun 28, 2024 at 19:40
(post deleted or otherwise unavailable)
Awarded Jun 19, 2024 at 5:32
Points of definitions of Composite Functions
Awarded Jun 18, 2024 at 8:15
Is the notation $\Delta_{i=1}^n a_i = a_1 - a_2 - \cdots - a_n$ for "cumulative subtraction" a good idea?
Awarded Jun 16, 2024 at 12:18
How to accurately average a function with a nonlinear response?
Awarded Jun 14, 2024 at 21:26
Formula for converting monthly percentages from a 12 month distribution into x number of months
Awarded Jun 12, 2024 at 17:56
The left shift map and its image.
Awarded Jun 9, 2024 at 7:42
Translate sentence to symbolic (Every real number is greater than some integer)
Awarded Jun 7, 2024 at 16:36
Elementary proofs of the v1-periodicity of the Hopf map
Awarded Jun 6, 2024 at 12:47
Showing a linear map is injective if and only if kernel is {$ {0} $}
Awarded Jun 5, 2024 at 12:41
(post deleted or otherwise unavailable)
Awarded Jun 4, 2024 at 17:48
How to find a Fourier series using trig identities
Awarded Jun 4, 2024 at 17:48
Question about continuous functional calculus and its application
Awarded Jun 2, 2024 at 20:48
Proof of the fact that an open ball is indeed an open set.
Awarded Jun 2, 2024 at 15:17
Find the conjugate function of $f(x) = ax + b$ [closed]
Awarded Jun 2, 2024 at 13:19
Is this proof correct? (Undergraduate Real Analysis)
Awarded May 30, 2024 at 22:33
(post deleted or otherwise unavailable)
Awarded May 28, 2024 at 6:26
Knowing $x,y,z\ge0$ prove $x^2+xy^2+xyz^2\ge4xyz-4$
Awarded May 27, 2024 at 21:55
(post deleted or otherwise unavailable)
Awarded May 27, 2024 at 2:56
(post deleted or otherwise unavailable)
Awarded May 22, 2024 at 23:42
(post deleted or otherwise unavailable)
Awarded May 22, 2024 at 15:05
Find out $\int_0^\infty\frac{x^2+ax+1}{1+x^4}\arctan\frac1x\,{\rm d}x$.
Awarded May 22, 2024 at 3:17
(post deleted or otherwise unavailable)
Awarded May 21, 2024 at 17:26
Point $D$ inside $\triangle{ABC}$ such that $\angle{ABD}=\angle{CBD}=6^{\circ}$,$\angle{BCD}=12^{\circ}$,$\angle{ACD}=18^{\circ}$, $\angle{BAD}=?$ [closed]
Awarded May 20, 2024 at 17:33
A physicist studying math as a hobby -- any recommendations?
Awarded May 19, 2024 at 21:35
Closed subspace of a compact topological space is compact
Awarded May 19, 2024 at 4:32
Kullback-Leibler divergence as a sum over “$T$” with product of multivariate Gaussians?
Awarded May 14, 2024 at 20:41
Prerequisites for Basic Mathematics by Serge Lang
Awarded May 14, 2024 at 19:42
(post deleted or otherwise unavailable)
Awarded May 14, 2024 at 15:09
(post deleted or otherwise unavailable)
Awarded May 12, 2024 at 10:42
When is a matrix equal to its own inverse? [closed]
Awarded May 12, 2024 at 5:56
$z , w \in \mathbb{C}:$ $ |z - 4 + 3i| = 1$, $|w - 4 + 3i| = 5$, and $|z - w| = \sqrt{31}$. $P = |5z + w| = ?$
Awarded May 9, 2024 at 21:35
Volume Integrals
Awarded May 9, 2024 at 15:50
(post deleted or otherwise unavailable)
Awarded May 5, 2024 at 22:00
Can you construct a sequence to witness that this set isn't compact? [closed]
Awarded May 5, 2024 at 15:31
(post deleted or otherwise unavailable)
Awarded May 5, 2024 at 9:11
(post deleted or otherwise unavailable)
Awarded May 5, 2024 at 0:51
Probability Selection Problem
Awarded May 3, 2024 at 19:27
Robot Capture the flag
Awarded May 2, 2024 at 3:09
(post deleted or otherwise unavailable)
Awarded May 1, 2024 at 21:16
Evaluate $\int_0^1\int_0^1 \left\{ \frac{e^x}{e^y} \right\}dxdy$
Awarded Apr 30, 2024 at 22:33
Question 29 from Chapter 3 of A first course to probability from Sheldon Ross ed. 10
Awarded Apr 29, 2024 at 7:27
Find $\inf_{a,b,c \in \mathbb{R}} \int_{0}^{1} (t^3 - a - bt - ct^2)^2 \, dt$
Awarded Apr 28, 2024 at 14:25
Composition of covering map map if X has universal cover
Awarded Apr 28, 2024 at 3:40
Constructing an explicit isomorphism between extension of a finite field and quotient of ring of integers by a prime ideal
Awarded Apr 27, 2024 at 19:51
(post deleted or otherwise unavailable)
Awarded Apr 27, 2024 at 10:10
Cube root equation [closed]
Awarded Apr 25, 2024 at 18:59
Find the equation of the line(s) simultaneously tangent to $y = −x^4$ and $y = (x + \frac{5}{2})^4 + 16$
Awarded Apr 25, 2024 at 17:13
Solving a certain matrix equation
Awarded Apr 25, 2024 at 14:34
Why does the F4 Algorithm return a Gröbner Basis?
Awarded Apr 24, 2024 at 8:41
(post deleted or otherwise unavailable)
Awarded Apr 23, 2024 at 14:10
GCSE maths level - Is it normal for there to be two possibilities of factorisation for quadratics with a coefficient of x?
Awarded Apr 22, 2024 at 21:01
(post deleted or otherwise unavailable)
Awarded Apr 17, 2024 at 19:05
permutation of the determinant according to the groups $S_{n1}$ and $S_{n2}$?
Awarded Apr 16, 2024 at 11:12
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