Looft
Reputation
Top tag
Next privilege 250 Rep.
11
Impact
~6k people reached

### Questions (15)

 5 Solve a recurrence relation $D_{n} = nD_{n-1} + (n-1)!$ 3 Proof with function composition 2 Expectation of a discrete random variable 2 Is there a simpler proof that $f(x,y,z) = 4x + 11y + 18z$ is surjective? 2 Given $n$ points prove there is a polynomial with integer coefficients…

### Reputation (193)

 +10 Expectation of a discrete random variable +5 How to find marginal densities from joint density $f(x,y)$? +5 Is there an algorithm for parametrization of equations? +5 Is there a simpler proof that $f(x,y,z) = 4x + 11y + 18z$ is surjective?

 2 Combinatorics-how many ways to sort books on a shelf 1 Retrieving coefficients of polynomial from dft

### Tags (17)

 2 combinatorics × 4 0 limits 1 fourier-analysis 0 calculus 0 probability × 3 0 analysis 0 functions × 2 0 polynomials 0 linear-algebra × 2 0 recurrence-relations

### Accounts (14)

 Mathematics 193 rep 11 Stack Overflow 43 rep 111 Code Review 18 rep 5 Computer Science 11 rep 3 Mathematica 3 rep 3