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calculatormathematical
  • Member for 5 years, 8 months
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2 votes

Lemma by Riemann-Lebesgue

2 votes

Laurent series and Bessel functions

2 votes

Defining a Plane with Two Parallel Lines

1 vote

Finding point $S$

1 vote

Why is $|-x|=-x$ if $x<0$?

1 vote
Accepted

Fractal Geometry: Show that the Hausdorff dimension of a set and its image under $f(x)=x^2$ are the same.

1 vote

Equivalence of sup and Manhattan norm

1 vote

Laurent series of transformed exponential function

1 vote
Accepted

Find all $z$ such that $\frac{z}{13}=s(z)$ where $s(z)$ is the digit sum of $z$

1 vote

Showing that $\int_{1}^{\infty}\cos(x^2)\arctan(x)dx$ converges

1 vote

Problem with finding more

1 vote

Use Wilson's Theorem to show $(q!)^2+(-1)^q \equiv 0$ mod p

1 vote

Recursive function inequality

0 votes

Circles inside a square

0 votes

Volume of a solid created by an extended tetrahedron

0 votes

Probability: proving $E(X)=np$

0 votes
Accepted

Sum of Fibonacci reciprocals converges

0 votes
Accepted

Multilinear Map of a Determinant: Basis Extension from Subspace

0 votes
Accepted

Reflection on Hyperplane

0 votes

How many Rooks on a chess board - 1 threatens at the most 2

0 votes

What is a poset?

0 votes

Kurtosis of uniform distribution

0 votes

Show that every eigenvector of A is an eigenvector of B

0 votes

Solving equations depending on $z$

0 votes

Double integration with $e^{-x^2}$

0 votes
Accepted

Transformation of Area restricted by 3 functions and x-Axis

0 votes

Calculating $\int_\Bbb{R}x^2e^{-x^2} dx$ using $\int_\Bbb{R}x^2e^{-tx^2} dx = -\frac{d}{dt}\int_\Bbb{R}e^{-tx^2} dx$

0 votes

Matrix exponential with derivative matrix (exponential shift)

0 votes
Accepted

Largest angle between three circle points

0 votes

Proving $2,3,1+\sqrt{-5}$ and $1-\sqrt{-5}$ are irreducible in $\mathbb{Z}[\sqrt{-5}]$