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Mathematics
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Mark's user avatar
Mark
  • Member for 13 years, 9 months
  • Last seen this week
  • Milan, Italy
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525
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About

I am a lover of mathematics and study it at leisure. I also willing to encourage the youths who consider maths as a problem.

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Top posts

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question
39
Geometric meaning of the determinant of a matrix
Dec 4, 2012
question
30
Eigenvalues of the sum of two matrices: one diagonal and the other not.
Jul 26, 2015
question
11
Sampling theorem.
Nov 19, 2014
question
10
Physical meaning of linear ODE $xy''+2y' + \lambda^2 x y = 0$
Jun 6, 2015
question
10
Use the definition of "topologically conjugate" to prove that $F(x)=4x^3-3x$ is chaotic.
Aug 30, 2012
question
10
Some method to solve $\int \frac{1}{\left(1+x^2\right)^{2}} dx$ and some doubts. [duplicate]
Jul 13, 2012
question
8
The definition of "number"
Nov 27, 2012
question
8
Solving the differential equation $x x''(t)=\frac{1}{t^3-t}$
Jun 13, 2015
question
8
The Lévy–Ciesielski construction of a Brownian motion for $t\in \mathbb R$ (and not only $t\in[0,1]$)
Apr 10, 2023
answer
8
How do I evaluate these undefined limits?
Apr 13, 2015

Top network posts

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11
Reducing the number of nodes of a tree, to obtain nodes with more than one child node
9
Zero, First, Second ... nth-order Hold
8
Numerical solution of Fredholm Equation
8
Calculate the approximate entropy of a matrix of time series
7
Derive an orthonormal system by Riesz basis $\{g(\cdot-\lambda_k),\ \lambda_k\in\mathbb R, \ k\in\mathbb Z\}$