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Elmar Zander
  • Member for 11 years, 2 months
  • Last seen more than a month ago
9 votes
Accepted

How to calculate the lens distortion coefficients with a known displacement vector field?

6 votes

How can I solve equations like $A(z)=1+z+(z+z^2)A(z)$?

5 votes

Value of sum of binomials: $P = \binom{N}{0}-\binom{N}{1}+\binom{N}{2}-\binom{N}{3}+ \dotsb + (-1)^N\binom{N}{N}$

4 votes

I have difficulty counting

4 votes

What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)

4 votes

Eigenvalues of $A^{T}A$

3 votes

Fenchel conjugate of a particular function

3 votes
Accepted

$\epsilon$-$\delta$ proof of discontinuity

3 votes

Injectivity and Surjectivity of the Exponential Function

2 votes

Three equal die rolls in a row in a $3\times 3$ array

2 votes
Accepted

Prove that $f_{\beta'} = (f_{\beta})^{-1}$

2 votes
Accepted

How does this periodic trig function that calculates modulus work?

2 votes
Accepted

Binomial probability, rolling dice

2 votes

Induction Proof: Fibonacci Numbers Identity with Sum of Two Squares

2 votes
Accepted

Theorem of perturbation of the identity

2 votes

$X,Y$ are I.I.D R.V and $P(X+Y\in(0,2))=1$. How to prove $P(X<0)=P(X>1)=0$?

2 votes

Compute sum of variations - ammount of password variants

2 votes

$\lim \frac{a_{2n}}{a_n}< \frac{1}{2}$ series convergent

2 votes
Accepted

Behavior of the tail of a cdf.

2 votes
Accepted

Is this Analytic functions

2 votes

To show that the set point distant by 1 of a compact set has Lebesgue measure $0$

2 votes
Accepted

An estimation in mathematical analysis

2 votes
Accepted

What is the distribution of an unconditioned random variable knowing the conditional distribution?

2 votes
Accepted

Justifying taking limit into an integral

1 vote

Work out Linear System Problem

1 vote

$\partial(M \times N) = (\partial{M} \times \bar{N})\cup (\bar{M}\times\partial{N})$

1 vote

Uniformly Continuous Function and Uniform Convergence

1 vote

The Lebesgue-Stieltjes Measure for Intervals

1 vote

A function not in $L^2(\mathbb{R}^3)$

1 vote

Inequality involving matrices