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Luca Citi's user avatar
Luca Citi's user avatar
Luca Citi's user avatar
Luca Citi
  • Member for 9 years, 5 months
  • Last seen more than a week ago
50 votes
Accepted

How many fair dice exist?

25 votes

How the Ornstein–Uhlenbeck process can be considered as the continuous-time analogue of the discrete-time AR(1) process?

19 votes

Can you multiply 3 matrices simultaneouly?

10 votes

Why does the Newton-Raphson method not converge for some functions?

8 votes

Can a binary operation have an identity element when it is not associative and commutative?

6 votes

How pathological can a convex function be?

6 votes
Accepted

Is the set of probability density functions convex?

5 votes

What is (-Ď€)! demonstration?

3 votes
Accepted

Is Frank Wolfe a descent algorithm?

3 votes
Accepted

Rank-$1$ update of inverse of a matrix transpose-matrix product

2 votes

Chance of generating two zeros in a row, compared to chance of generating a zero and a one in a row when generating random numbers between 0 and 5??

2 votes
Accepted

Wasserstein Metric: Question About Empirical Computation

2 votes
Accepted

Product of the differences of two pd matrices and their respective inverses is pd

2 votes

Trace of PSD matrices

1 vote

floor/ceiling/round functions in the constraints of an optimization?

1 vote

How to get explicit solution of the fractional minimization problem?

1 vote

Can I apply elementary row operation then find eigenvalues of a matrix?

1 vote

How to find the confidence interval for a prediction using a multiple linear regression model?

1 vote

$Y = \frac{X_1 X_2}{X_3}$ where $X_i$ is a uniform random variable

1 vote

Expected failure rate given failure at a certain time for exponential random variables

1 vote

Update QR when matrix left-multipied with diagonal matrix

0 votes

Properties for Frobenius norm

0 votes

bijective map from $(0, 1)$ to real numbers

0 votes
Accepted

Matrix Factorization, loss function derivation

0 votes

Convergence of block coordinate descent over nonconvex sets

0 votes

Matrix-vector norm inequalities in tridiagonal matrix

0 votes

Minima of two convex functions that are "close" to each other

0 votes

Mean value theorem functional equation: $ f ' \left ( \frac { x + y } 2 \right ) = \frac { f ( x ) - f ( y ) } { x - y } $

0 votes

Will the remainder of multiple dice rolls be fair if at least one roll is performed fairly?

0 votes

Examples of flat function