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I work for Wolfram and oversee Wolfram Community. I am a physicist, Mathematica enthusiast and faculty member at Wolfram Science (NKS) Summer School. I am an author at the Wolfram Demonstration Project and sometimes write for Wolfram Blog. I enjoy creating applications and art with Mathematica, some can be found on my website. I also collecting Mathematica graphics at a Pinterest board and organized a video group Mathematica Render on Vimeo.


Comments & opinions expressed here are mine, and not those of my employer.


Apr
7
awarded  Nice Answer
Apr
7
revised Plotting Fourier spectrum versus frequency of a signal
better title
Apr
7
comment Plotting Fourier spectrum versus frequency of a signal
@belisarius thanks, very sharp eye, - corrected to integer ;-)
Apr
7
revised Plotting Fourier spectrum versus frequency of a signal
deleted 1 characters in body
Apr
7
reviewed Approve suggested edit on Non-numerical value for a derivative on NDSolve function
Apr
7
revised Plotting Fourier spectrum versus frequency of a signal
added 1 characters in body
Apr
7
revised Plotting Fourier spectrum versus frequency of a signal
added 306 characters in body
Apr
7
answered Plotting Fourier spectrum versus frequency of a signal
Apr
7
awarded  Taxonomist
Apr
7
comment How can I get the functionality of a command ReplaceAllList?
NKS book has code of its examples - it's at the end: For p.775 - p.1155 For p.781 - p.1157 BTW whatever essential info your add in the comments - you shoudl add it to your post too.
Apr
6
awarded  Nice Answer
Apr
5
awarded  Enlightened
Apr
5
awarded  Nice Answer
Apr
5
revised Fit two intersecting straight lines in Mathematica
added 135 characters in body
Apr
5
comment Fit two intersecting straight lines in Mathematica
@MichaelE2 What you are saying then is that it is not possible to fit a discontinuous function?
Apr
5
comment Fit two intersecting straight lines in Mathematica
@MichaelE2 you mean the problem with his model function?
Apr
5
revised Fit two intersecting straight lines in Mathematica
deleted 1711 characters in body
Apr
5
answered Fit two intersecting straight lines in Mathematica
Apr
5
comment Fit two intersecting straight lines in Mathematica
Data would be nice.
Apr
4
comment curve on the surface
@george2079 let's see what he says - too foggy to proceed without a beacon ;-)