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Sam OT
  • Member for 8 years, 4 months
  • Last seen more than a week ago
33 votes
Accepted

Entropy of a uniform distribution

11 votes

Why are there no continued fraction representation for $\pi$ obeying mathematical rules?

11 votes

Are two sequences equal if the sums and sums of squares are equal?

8 votes

Prove the convergence of : $\sum \ln(n)/n^{3/2}$

7 votes

What is the name of the following property of the determinant?

6 votes
Accepted

Let $\theta=\frac{2 \pi}{67}$ consider the rotation matrix $A$. What is $A^{2010}$?

6 votes

Euler's formula, is this true?

5 votes
Accepted

Why do I get two different results for the reciprocal of $i$?

5 votes
Accepted

Show that a random variable $T_x$ is uniformly distributed given that $T$ is uniformly distributed?

5 votes

Product of functions is $0$ but none of the functions is identically $0$?

5 votes

Finding the probability that an inner product is positive

4 votes

How many times would you have to roll a single die on average to reach a sum of at least 30?

4 votes
Accepted

$c_n = 1 + \frac{1}{1!} + \frac{1}{2!} +...+\frac{1}{n!}$ so prove $e - c_n \le \frac{1}{n! * n}$

4 votes
Accepted

Proving that: $ | a + b | + |a-b| \ge|a| + |b|$

4 votes

Probability of a ball landing in an empty bin after distributing $m$ balls into $n$ bins

4 votes
Accepted

Number of balls covering a $n$-dimensional sphere

4 votes

Show that ${n\choose k}\leq 2^n$

4 votes

Why get the sum of squares instead of the sum of absolute values?

4 votes
Accepted

If all powers of two random variables are uncorrelated, are they independent?

3 votes

For matrix $A $ with entries smaller than $1$, find $A^k$ when $k \rightarrow \infty$

3 votes
Accepted

what is the formula to calculate the irreducible fraction series as sum?

3 votes

When the sum of independent Markov chains is a Markov chain?

3 votes
Accepted

Exhaustive set of values of $a$ in quadratic equation

3 votes

Integration : $\int 2x(x^2+2)^{\frac32}\ dx$

3 votes
Accepted

Calculating return time / showing null recurrence of discrete Markov chain

3 votes
Accepted

Strong markov property vs usual markov property.

3 votes
Accepted

The expected number of drawings until the first time a duplication occurs.

3 votes
Accepted

Probability for a random variable to be greater than its mean

2 votes
Accepted

Discrete-time Markov Chain; $n$-step transitions

2 votes

What does "with probability $1 - \delta$" mean in optimization theorems for algorithms?

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