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visits member for 2 years, 3 months
seen Jun 24 '13 at 0:02

No, his mind is not for rent
to any god or government.
Always hopeful, yet discontent.
He knows changes aren't permanent,
but change is.

— Rush, Tom Sawyer


Taking an externally-imposed and much-needed break from SE activities.

E-mail (flipped ROT13): zqd˙ʎʌuzʇ@ʇɐʌǝɥʇʌssqɹǝɥɟuɹʎɔ
Any code I've posted here I place under the WTFPL.


Sep
14
revised Finding eigenvalues of a $1500\times1500$ matrix
edited tags
Sep
14
awarded  Enlightened
Sep
14
awarded  Nice Answer
Sep
14
comment How can I plot the complex graph of $x^x$ in Mathematica?
...then there's also this... (one of the vagaries of having to choose a "principal branch" for the logarithm)
Sep
14
awarded  Nice Answer
Sep
14
revised How can I plot the complex graph of $x^x$ in Mathematica?
added 4 characters in body
Sep
14
comment How to solve a differential equation of nonhomogeneous fourth order real variable complex function with Mathematica?
So, you know about DSolve[] and HankelH2[] already?
Sep
13
revised How to get Matlab data imported with the same dimensions?
edited tags
Sep
13
revised How to get Matlab data imported with the same dimensions?
edited tags
Sep
13
comment Fitting a spline to data with FindFit?
As I said @witkamp, please edit that information into your question...
Sep
13
comment How to output an expression as a Dot[] product
Tell me, why shouldn't I close this question as a duplicate of this?
Sep
13
comment Identifying `Indeterminate` elements
MatchQ[] could be an alternative here, methinks...
Sep
13
revised Clustering a bivariate data set with Mathematica
edited tags
Sep
13
revised How to plot rectangles aligned by their center?
edited tags
Sep
13
revised Problem in RegionPlot3D
deleted 17 characters in body; edited title
Sep
13
comment Fitting a spline to data with FindFit?
@witkamp, with what you've just said, I'm not even entirely sure that a smoothing spline is the best way to go about it. As a start, could you edit your question to talk a bit about the provenance of your data?
Sep
13
comment Improve Plot3D resolution near max/mins
@Plato, you mean the method GrafEq uses? I suppose you could do interval arithmetic in Mathematica...
Sep
13
revised Calling MATLAB from Mathematica
edited tags
Sep
13
revised Fourier Transform of a Step Function
edited tags
Sep
13
revised What is the best way to create a correlation matrix heatmap with values?
edited tags