7.34 May 13, 2014
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Top new questions this week:
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[Format and TeXForm does not work as
expected]\url{http://mathematica.stackexchange.com/questions/47417/format-a
nd-texform-does-not-work-as-expected}
Recently, we had a nice question which brought up an issue that I
believe is a bug. In the tutorial Defining Output Formats is an example
at the end which doesn't make sense
This specifies the ...
- asked by halirutan (12 votes), answered by halirutan (4 votes)
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[How to implement the Observer design
pattern?]\url{http://mathematica.stackexchange.com/questions/47659/how-to-i
mplement-the-observer-design-pattern}
As a programmer with a history with procedural languages, the Observer
design pattern inmediately springs to my mind when attacking certain
class of problems, mostly UI/notifications related.
A ...
- asked by Fallible (11 votes), answered by Leonid Shifrin (9 votes)
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[How should I reproduce this colorful swirling
gif?]\url{http://mathematica.stackexchange.com/questions/47597/how-should-i
-reproduce-this-colorful-swirling-gif}
Surfing on the web, I came upon this cool gif:
Does any one know how to reproduce this in Mathematica? I have some
ideas myself, so I will try to answer this question as well.
- asked by Ali (10 votes), answered by Kuba (20 votes)
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[How to create Line Chart with real third
coordinates?]\url{http://mathematica.stackexchange.com/questions/47541/how-
to-create-line-chart-with-real-third-coordinates}
I would like to generate something like 3D Line Chart in Excel. Like the
following figure
but including third coordinates.
Example
I have a set of 2D data combied with 1D spatial data.
dxy = ...
- asked by Vica (9 votes), answered by Yves Klett (2 votes)
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[How can I tell how much memory is taken by an
expression?]\url{http://mathematica.stackexchange.com/questions/47491/how-c
an-i-tell-how-much-memory-is-taken-by-an-expression}
ByteCount and LeafCount don't really work, as shown below.
Mathematica 9.0 .. on a 32 bit Windows machine.
f[n_] := Block[{k = f[n - 1]}, {k, k}]
f[0] = x
LeafCount[f[k]] for particular small ...
- asked by Richard Fateman (7 votes), answered by billisphere (5 votes)
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[Simplify with Assumptions
Sqrt[(expr)^2]]\url{http://mathematica.stackexchange.com/questions/47548/si
mplify-with-assumptions-sqrtexpr2}
While trying to simplify expressions in the form Sqrt[(expr)^2] when
expr>0 I noticed a peculiar behavior that was not resolved with code
from this Q&A.
Simplify[Sqrt[(x - y + a b c)^2], x - y ...
- asked by tchronis (6 votes), answered by Simon Woods (9 votes)
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[How to use PlotRange -> All with
ListLogLinearPlot?]\url{http://mathematica.stackexchange.com/questions/4739
3/how-to-use-plotrange-all-with-listloglinearplot}
I would like to generate a ListLogLinearPlot that automatically shows
all the data points. However the option PlotRange -> All does not
achieve this. Why does All not include all of the data in ...
- asked by Italianice (6 votes), answered by Alexey Popkov (3 votes)
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Greatest hits from previous weeks:
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[How to determine the center and radius of a circle given three points
in
3D?]\url{http://mathematica.stackexchange.com/questions/16209/how-to-determ
ine-the-center-and-radius-of-a-circle-given-three-points-in-3d}
I was wondering if anyone could give me a hand with this problem I have.
I have six points on a plane, and I am trying to determine if they form
a circle or not.
I know that any three points in 2D ...
- asked by RedPotatoe (9 votes), answered by Mark McClure (15 votes)
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[What is the best Mathematica tutorial for young
people?]\url{http://mathematica.stackexchange.com/questions/733/what-is-the
-best-mathematica-tutorial-for-young-people}
As Conrad Wolfram said at the TED conference, in the future kids should
focus more on new technology. Computers compute better than humans, so
we should focus more on thinking and getting the ...
- asked by noisy (32 votes), answered by Vitaliy Kaurov (17 votes)
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Can you answer these?
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[Module in numerical model for NonlinearModelFit is slow and leaks
memory]\url{http://mathematica.stackexchange.com/questions/47562/module-in-
numerical-model-for-nonlinearmodelfit-is-slow-and-leaks-memory}
I am trying to make a NonlinearModelFit where the model is the result of
a numerical calculation. My code works, but it is very slow and also
seems to have a memory leak. I'd appreciate advice about ...
- asked by jkrich (3 votes)
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[Quantities formatting
problem]\url{http://mathematica.stackexchange.com/questions/47515/quantitie
s-formatting-problem}
So I've developed this simple code
Mes /: MakeBoxes[Mes[mess_, error_, unit_],
form : (StandardForm | TraditionalForm) : StandardForm
] := RowBox[{
...
- asked by Ranza (2 votes)
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[calling CUDA library
functions]\url{http://mathematica.stackexchange.com/questions/47702/calling
-cuda-library-functions}
Mathematica has some predefined CUDA functions, like CUDAMap,
CUDAFourier, etc. My question is how can one call functions which are
part of CUDA library but not part of predefined Mathematica ...
- asked by user1188038 (1 vote)