================================== Top new questions this week: ==================================
[Bug in MovingMap (breaking change between version 10.1 and 10.0.2)?] http://mathematica.stackexchange.com/questions/79931/bug-in-movingmap-breaking-change-between-version-10-1-and-10-0-2
The MovingMap window spec has been changed between version 10.1 and 10.0.2.
Version 10.0.2
MovingMap[h, a, b, c, d, e, f, 2] (* h[a, b], h[b, c], h[c, d], h[d, e], h[e, f] *)
Here we ...
- asked by Edmund (18 votes), answered by Stefan R (9 votes)
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[Analogue for Maple’s dchange - change of variables in differential expressions] http://mathematica.stackexchange.com/questions/80241/analogue-for-maples-dchange-change-of-variables-in-differential-expressions
Maple owns an interesting function called dchange which can change the variables of differential equations, but there seems to be no such function in Mathematica.
Has any one ever tried to write ...
- asked by xzczd (16 votes), answered by Kuba (18 votes)
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[Finding the period of an array of integers] http://mathematica.stackexchange.com/questions/80163/finding-the-period-of-an-array-of-integers
A simple array of integers is given. The problem is to detect if a pattern is repeatedly occurring in the array, and find the length of that pattern.
For example, for
19, 6, 19, 6, 19, 6, 19, 6, ...
- asked by VividD (12 votes), answered by Chris Degnen (6 votes)
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[How to have one or multiple Boxed graphics, mixed with non Boxed, in the same Graphics3D] http://mathematica.stackexchange.com/questions/80380/how-to-have-one-or-multiple-boxed-graphics-mixed-with-non-boxed-in-the-same-gr
In the following example, I would like to Boxed only the RegionPlot3D, and not the Sphere.
That is, to obtain this:
instead of this:
Here’s the sample code:
Show[ RegionPlot3D[x^2 + y^3 - ...
- asked by P. Fonseca (8 votes), answered by kguler (3 votes)
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[How to access an already opened Excel file in Mathematica?] http://mathematica.stackexchange.com/questions/80186/how-to-access-an-already-opened-excel-file-in-mathematica
This post 4594 shows how to open a existent Excel file with Mathematica. And this 6686886 shows how to do what I need, but in C#. This 12282310 is another related one.
How can I connect to a ...
- asked by Murta (8 votes), answered by Murta (8 votes)
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[JoinAcross on nested association by nested key] http://mathematica.stackexchange.com/questions/80311/joinacross-on-nested-association-by-nested-key
I would like to join two associations on nested keys. Is this possible?
first = {<|"away" -> <|"name" -> "bob", "money" -> 10 |>, "home" -> <|"name" -> "Sue", "money" ...
- asked by Ray Troy (7 votes), answered by WReach (8 votes)
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[How to synchronize the display of dynamic objects?] http://mathematica.stackexchange.com/questions/80027/how-to-synchronize-the-display-of-dynamic-objects
I was looking at this question, which asks to keep the orientation of some 3D graphics objects constant (relative to the viewer) while rotating the rest with the mouse. I thought that maybe the ...
- asked by Szabolcs (7 votes), answered by Gerli (3 votes)
================================== Greatest hits from previous weeks: ==================================
[How do I draw a pair of buttocks?] http://mathematica.stackexchange.com/questions/66538/how-do-i-draw-a-pair-of-buttocks
I’m trying to develop a function which 3D plot would have a buttocks like shape.
Several days of searching the web and a dozen my of own attempts to solve the issue have brought nothing but two ...
- asked by Simpleton Jack (214 votes), answered by mikuszefski (335 votes)
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[Plotting Complex Quantity Functions] http://mathematica.stackexchange.com/questions/3458/plotting-complex-quantity-functions
Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in ...
- asked by night owl (15 votes), answered by Artes (16 votes)
================================== Can you answer these? ==================================
[MoonPosition and TimeZone support] http://mathematica.stackexchange.com/questions/80269/moonposition-and-timezone-support
With this question, I noticed some some weird results of MoonPosition. Consider the following code:
dateSunEclipse = DateObject[{2015,03,20,10,32,09},TimeZone->1]; dateSunEclipse0 = ...
- asked by unlikely (5 votes)
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[I can create an H2 database with the H2 Console, but I can’t find the database with MMA] http://mathematica.stackexchange.com/questions/80408/i-can-create-an-h2-database-with-the-h2-console-but-i-cant-find-the-database-w
I can create an H2(Server) database using the tool that H2 provides,
but although i can create a memory based H2 database with the Database Explorer, when I try to create a connection to the ...
- asked by George Wolfe (1 vote)
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[Empty Blank regression in v10.1] http://mathematica.stackexchange.com/questions/80090/empty-blank-regression-in-v10-1
In v10.1.0.0 on Linux, when Blank[] is used in Alternatives with pattern that can match a sequence, whole pattern unexpectedly matches sequences of any length.
ClearAll[matchLists] matchLists[patt_] ...
- asked by jkuczm (5 votes)