Jonas Teuwen

Delft, The Netherlands

fa.its.tudelft.nl/~teuwen

Age: 29

I'm a PhD candidate in analysis (harmonic analysis). I have a Master of Science degree in mathematics (analysis). My email address is jonasteuwen@gmail.com. And my [Google Scholar profile](http://scholar.google.com/citations?user=Jz3tRZMAAAAJ). (I agree, not much there yet. Should change soon!) I would appreciate it if you would correct my spelling and grammatical errors.

@jonasteuwen

facebook

LinkedIn

Jul
2
awarded Enlightened
Jul
2
awarded Nice Answer
Jun
20
awarded Popular Question
Jun
12
awarded Good Question
Jun
11
awarded Popular Question
May
22
awarded Popular Question
May
19
awarded Nice Question
Apr
11
awarded Popular Question
Mar
19
awarded Nice Question
Jan
4
awarded Popular Question
Nov
16
awarded Yearling
Nov
16
awarded Yearling
Nov
3
awarded Nice Question
Oct
9
comment Coloring random points in an annulus
@kguler: Yes, when I set randomInAnnulus[R1_, R2_, cb_: 0, n_: 100] := Transpose@{# Cos@#2 + cb, # Sin@#2 + cb} &[ Sqrt@RandomReal[{R1, R2}^2, n], RandomReal[2 \[Pi], n]]; and I pick cb so large that x*y > 0 for all points I get an error.
Oct
8
comment Coloring random points in an annulus
It does work well, but if I replace the condition for the check with another one it fails if there are no such points (for instance when I shift the annulus in the first kwadrant. Is there an easy way to resolve this?
Oct
7
accepted Coloring random points in an annulus
Oct
6
comment Coloring random points in an annulus
Is there any advantage (i.e., speed) in using any of those three?
Oct
6
comment Coloring random points in an annulus
Yes, I have noticed it is quite slow. Do you have any ideas how to do it faster?
Oct
6
asked Coloring random points in an annulus
Sep
30
awarded Explainer
1 2 3 4 5