7.27 July 1, 2014
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Top new questions this week:
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[Fitting points to tilted, off-center
ellipse]\url{http://mathematica.stackexchange.com/questions/51491/fitting-p
oints-to-tilted-off-center-ellipse}
I have 24 x-y points that are supposed to form an ellipse.
...
- asked by seismatica (15 votes), answered by ubpdqn (17 votes)
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[Combining BarChart and Grid - IPCC
style]\url{http://mathematica.stackexchange.com/questions/51708/combining-b
archart-and-grid-ipcc-style}
I would like to combine a plot with a table. Something like this famous
plot/table from IPCC:
So after reading Combining graphics & lists / tables I tried an
approach using Grid. Pretty ...
- asked by gogoolplex (12 votes), answered by Oska (4 votes)
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[How to implement Donald Knuth's up-arrow
notation]\url{http://mathematica.stackexchange.com/questions/51657/how-to-i
mplement-donald-knuths-up-arrow-notation}
How does one enter very large numbers in up-arrow notation? Up-arrow
notation was created by Donald Knuth to write very large numbers in it
iterated exponentiation form, for example 63 = 6^6^6.
- asked by user4401 (12 votes), answered by Szabolcs (20 votes)
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[Is there a way to increase the smoothness of a
cylinder?]\url{http://mathematica.stackexchange.com/questions/51565/is-ther
e-a-way-to-increase-the-smoothness-of-a-cylinder}
I am using Cylinder to produce wide flat disks (in Mathematica 8). This
works just fine except that the circular base of such a cylinder turns
out to be really just a 40-gon which is simply too coarse ...
- asked by Burkard Polster (11 votes), answered by Mr.Wizard (13 votes)
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[Efficient way to build a certain quadratic
matrix]\url{http://mathematica.stackexchange.com/questions/51798/efficient-
way-to-build-a-certain-quadratic-matrix}
For odd n I'm looking for a short and swift way to construct with (f.e.)
n = 3
n = 11
n=1111
- asked by eldo (9 votes), answered by RunnyKine (8 votes)
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[Finding maximum or minimum of implicit
functions]\url{http://mathematica.stackexchange.com/questions/51679/finding
-maximum-or-minimum-of-implicit-functions}
is there any built in function that can be used to find maximum or
minimum of implicit functions?
For example, if we have the equation
$$x^2 + y^2 = (2 x^2 + 2 y^2 - x)^2,$$
then we can visualize the ...
- asked by Algohi (7 votes), answered by Kuba (15 votes)
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[How can a power of 0 or 1 be
replaced?]\url{http://mathematica.stackexchange.com/questions/51585/how-can
-a-power-of-0-or-1-be-replaced}
Consider this given example for ReplaceAll
1 + x^2 + x^4 /. x^p_ -> f[p]
This returns 1+f[2]+f[4] - works good (!). But if you choose
In[175]:= 1 +x+ x^2 + x^4 /. x^p_ -> f[p]
Out[175]= ...
- asked by Sumit (7 votes), answered by Daniel Lichtblau (6 votes)
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Greatest hits from previous weeks:
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[Resources for beautiful Mathematica
Stylesheets]\url{http://mathematica.stackexchange.com/questions/5846/resour
ces-for-beautiful-mathematica-stylesheets}
When the Wolfram Demonstrations were introduced and the
Documentation-Center was redesigned, I remember it was the first time I
thought someone had put some effort into creating a beautiful ...
- asked by halirutan (80 votes), answered by rm -rf (40 votes)
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[Get a "step by step" evaluation in
Mathematica]\url{http://mathematica.stackexchange.com/questions/148/get-a-s
tep-by-step-evaluation-in-mathematica}
Is it possible in Mathematica to get a step-by-step evaluation of some
functions; that's to say, outputting not only the result but all the
stages that have led to it?
Example : Let's say I want to ...
- asked by Skydreamer (53 votes), answered by J.M. (44 votes)
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Can you answer these?
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[What's a non-trivial Mathematica program involving conscious choice of
stack vs. queue data
structure?]\url{http://mathematica.stackexchange.com/questions/51862/whats-
a-non-trivial-mathematica-program-involving-conscious-choice-of-stack-vs
> }
In a typical computer science algorithms course, much attention is given
to the discussion of queues vs. stacks as a data structure programmers
need to consciously choose from to achieve algorithmic ...
- asked by Problemaniac (1 vote)
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[Import Excel data forcing links (ie workbooks) to be
updated]\url{http://mathematica.stackexchange.com/questions/51873/import-ex
cel-data-forcing-links-ie-workbooks-to-be-updated}
We have noticed importing data from an Excel spreadsheet doesnt update
links.
The problem with this is if you import a spreadsheet that comprises of
linked workbooks data and those workbooks have ...
- asked by WolframFan (3 votes)
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[Smooth out contour in
RegionPlot/ContourPlot]\url{http://mathematica.stackexchange.com/questions/
51518/smooth-out-contour-in-regionplot-contourplot}
I would like to smooth out the jagged edges in the outermost contours in
the following plot:
I have data of values as a function of variables (x,y) in the form
data = ...
- asked by Philo (1 vote)
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