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AlainD
  • Member for 9 years, 3 months
  • Last seen more than a month ago
  • Geneva
7 votes
Accepted

Volume of hyperellipsoid

6 votes

What is the fastest way to find the characteristic polynomial of a matrix?

4 votes

What is degree of freedom in statistics?

3 votes
Accepted

Bodyguards and Laser Beams

3 votes

Proof of Astroid?

3 votes
Accepted

Rounding vs Approximating

2 votes

Chaos in finite field

2 votes
Accepted

Limit of the lengths $=$ lengths of the limit

2 votes

$s_{l(α)}=r_{α/2}\circ s_x$

1 vote

Number of positive integers $\le n$ with different digits.

1 vote

Raising a matrix to a large power when the values are fractions (precision problem)

1 vote

REVISITED $^2$: Does a solution in $\mathbb{R}^n$ imply a solution in $\mathbb{Q}^n$?

1 vote

Why is $\pi $ equal to $3.14159...$?

1 vote

Roots of minimal and characteristic polynomials

1 vote

Quick ways to _verify_ determinant, minimal polynomial, characteristic polynomial, eigenvalues, eigenvectors ...

1 vote

What do you call generating a function out of a graph?

1 vote

What's the difference between $(\mathbb Z_n,+)$ and $(\mathbb Z_n,*)$?

1 vote

Find line orthogonal to another line passing through point p in R³

1 vote

Digits of sum of two real numbers to the base $b$

1 vote
Accepted

Esoteric knowledge regarding statistic tests like $F$-test, $t$-test and $X^2$ (Chi-Square) etc.

1 vote

What is locus of a fixed point on a circle of radius $r$ rolling over the curve $y=\sin x$?

1 vote

Property of critical point when the Hessian is degenerate

1 vote

Property of critical point when the Hessian is degenerate

1 vote
Accepted

Only one event is realised

1 vote

Forecasting seasonal data

1 vote

Word for cyclic, non-periodic function

1 vote

Representing the "surprisingness" or "acyclicness" of events given binary time-series

0 votes

Is it possible to infer the uncertainty of predictions for a time series model from the residuals distribution of a large representative sample?

0 votes

Is it possible to define "Straight-line" logically? If it is possible, How you will define it?

0 votes

Products of e to fractional exponents