19,496 reputation
23898
bio website
location Kraków
age
visits member for 1 year, 4 months
seen just now
stats profile views 488

Et harum scientiarum porta et clavis est Mathematica

"Mathematics is the door and key to the sciences" - Roger Bacon (~1214-1292)

$$ \sum_{n=1}^\infty\frac{1}{n^z} = \prod_{p \text{ prime}} \frac{1}{1-p^{-z}} $$


5h
reviewed No Action Needed Plotting geodesics of upper half plane
18h
revised How to declare a 3D vector variable?
added 764 characters in body
19h
answered How to declare a 3D vector variable?
20h
reviewed No Action Needed How to calculate the volume of a convex hull?
22h
reviewed No Action Needed A simple ListPlot with different colours and a Tooltip
23h
comment How does Mathematica calculate the nth prime?
Related: What is so special about Prime? Another possibly interesting Why does iterating Prime in reverse order require much more time?
1d
answered How to apply multiple/complicated requirements for a pattern in a function input
1d
comment How to apply multiple/complicated requirements for a pattern in a function input
You'd better use Condition (/;) taking e.g. Det[W] as a definition, e.g. myfunction[W_ /; MatrixQ[W, NumericQ]] := Det[W]. This question should be interesting: mathematica.stackexchange.com/questions/533/…
1d
reviewed No Action Needed Counting multiplications (complexity function)
1d
reviewed Leave Open Sorting Eigensystems
1d
reviewed No Action Needed Finding integral points on a surface
1d
reviewed No Action Needed Explicit asterisk or @ sign in string patterns
1d
reviewed Close Using Or While in Select
1d
reviewed Close Is this being simplified correctly?
1d
reviewed No Action Needed Is it possible to import data from Google Analytics?
1d
reviewed No Action Needed String encoding issue with Pythonika
2d
reviewed No Action Needed Fourier transform of a signal
2d
reviewed No Action Needed FindRoot don't find my root!
2d
reviewed Close FindRoot don't find my root!
2d
reviewed No Action Needed Plot sublists as different colors