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1d
comment Implementing hexagon binning in mathematica
@belisarius this function is awesome but i need to use bins with unequal width and height. they'll look hexagonal with an appropriate 'AspectRatio'. is it possible to modify your function in order to do so?
Jan
7
revised PairwiseScatterPlot with histograms along the diagonal
added 1358 characters in body
Dec
29
revised PairwiseScatterPlot with histograms along the diagonal
added 1 character in body
Dec
29
revised PairwiseScatterPlot with histograms along the diagonal
added 259 characters in body
Dec
27
revised PairwiseScatterPlot with histograms along the diagonal
added 296 characters in body
Dec
26
asked PairwiseScatterPlot with histograms along the diagonal
Jul
31
comment Mma 10: Half the parallel power (Macs)?
@Szabolcs As I wrote below (comment to the proposed answer) even if you set manually the number of kernels to 4 the performance is not as good as it was with Mathematica 9. I think this is very funny and, as suggested, I contacted Wolfram support.
Jul
31
comment Mma 10: Half the parallel power (Macs)?
One more bit of information: if in Mathematica 10 I manually set the number of local kernels to 4 it takes 83.5s: 20% slower than in Mathematica 9... quite funny and roughly agrees with what wolfs has seen.
Jul
31
comment Mma 10: Half the parallel power (Macs)?
@Szabolcs I don't agree that this change is beneficial. I have been using all the available virtual cores with very good efficiency, it is just a matter of reducing the overhead. As a concrete example, to run my turboGL code (www.turbogl.org - set the parameter nst to nst=10^6) on my MacBook Air with Intel i7 it takes 69s with Mathematica 9 and 123s with Mathematica 10 (default configuration).
Jul
31
comment Mma 10: Half the parallel power (Macs)?
I have the same issue on my MacBook Air: by default Mathematica 10 uses 2 instead of the 4 cores that Mathematica 9 would use.
Jul
10
awarded  Popular Question
Jul
10
asked Bug in NDSolve (Mathematica 9.0.1)?
Jul
10
accepted Funny behavior of Ellipsoid function
Jul
2
awarded  Curious
Jun
26
comment Funny behavior of Ellipsoid function
Did you find this syntax in the documentation? Where? Also, how do you generalize this syntax to three dimensions?
Jun
26
comment Funny behavior of Ellipsoid function
thanks, but i need to use vectors as directions (which may not be aligned with the axes)
Jun
26
asked Funny behavior of Ellipsoid function
Mar
29
awarded  Yearling
Dec
14
comment Import selected columns from a tab delimited text file
@image_doctor How can I use this solution if 'my file.txt' is given as ToFileName[...]? Also, how is the command for reading the first four columns only?
Sep
13
comment Function to marginalize a table over given parameters
It's working alright, thanks!