================================== Top new questions this week: ==================================
[How to organically build up nested associations?] http://mathematica.stackexchange.com/questions/102466/how-to-organically-build-up-nested-associations
Suppose I want to construct an association of associations, such as a list of people with attributes:
peopleFacts=<| alice-> <|age->29,shoeSize->7|>, bob-> ...
- asked by Jess Riedel (17 votes), answered by Kuba (14 votes)
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[How to restart computation when kernels die?] http://mathematica.stackexchange.com/questions/102268/how-to-restart-computation-when-kernels-die
When an important process needs to be kept alive, there are monitoring tools to restart them if they die (e.g. god tasks in ruby), in my case I have an overnight scraping task that I need to have done ...
- asked by M.R. (15 votes), answered by Szabolcs (11 votes)
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[If I have a very large Popup Menu list how can I make that searchable?] http://mathematica.stackexchange.com/questions/102470/if-i-have-a-very-large-popup-menu-list-how-can-i-make-that-searchable
Imagine that you have a PopupMenu’s list that requires a lot of scrolling through the selections. Is there a way to create a control that will only display a subsection of the complete list?
- asked by Mike Honeychurch (14 votes), answered by Mike Honeychurch (14 votes)
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[Bug in RegionMember?] http://mathematica.stackexchange.com/questions/102439/bug-in-regionmember
RegionMember (new in V10) appears to have a bug. For some polygons it finds points that are clearly outside to be "members" of the region. This depends on the shape of the polygon in a way that is ...
- asked by kukako-muka (14 votes)
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[Which elements of a large array are part of a set?] http://mathematica.stackexchange.com/questions/102212/which-elements-of-a-large-array-are-part-of-a-set
I have a large integer packed array arr. My array is multidimensional, but for simplicity let’s consider 1D arrays for now. ArrayReshape takes care of the rest.
I also have a set of integers (a ...
- asked by Szabolcs (14 votes), answered by Leonid Shifrin (11 votes)
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[more numerically accurate inverse matrix] http://mathematica.stackexchange.com/questions/102261/more-numerically-accurate-inverse-matrix
I encountered the following matrix
mat = {{2, 2.161209223472559` + 1.682941969615793` I}, {2.161209223472559` - 1.682941969615793` I, 2}} and Inverse[mat] will give {{-0.57092 - ...
- asked by matheorem (12 votes), answered by Karsten 7. (11 votes)
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[Stress calculations using finite elements] http://mathematica.stackexchange.com/questions/102522/stress-calculations-using-finite-elements
A standard engineering problem is to calculate stresses in a structure due to applied forces. With the inclusion of the finite element method in version 10 this question attempts to investigate how ...
- asked by Hugh (11 votes), answered by user21 (2 votes)
================================== Greatest hits from previous weeks: ==================================
[Upgrade to Windows 10] http://mathematica.stackexchange.com/questions/89407/upgrade-to-windows-10
Can users of Mathematica on Windows 7 or Windows 8/8.1 upgrade their computers to Windows 10 a process that began today? Does Mathematica work? Are all the settings, licenses, access to files and ...
- asked by Lubos Motl (38 votes), answered by RunnyKine (32 votes)
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[How can I improve Mathematica’s resolution on a macbook retina display?] http://mathematica.stackexchange.com/questions/18419/how-can-i-improve-mathematicas-resolution-on-a-macbook-retina-display
Mathematica 9.0 looks a bit fuzzy on the retina screen, how can I increase the resolution?
Here another screenshot showing a direct comparison between the browser and Mathematica
- asked by Tom Wellington (39 votes), answered by programming_historian (20 votes)
================================== Can you answer these? ==================================
[How to avoid crashing with ConformImages?] http://mathematica.stackexchange.com/questions/102578/how-to-avoid-crashing-with-conformimages
ConformImages[] is causing a kernel crash when applied to a list of 5k images. Is there any way to apply ConformImages on the list in batches or asynchronously to conserve memory?
Here’s the ...
- asked by M.R. (2 votes)
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[Fitting real and imaginary parts of a function] http://mathematica.stackexchange.com/questions/102233/fitting-real-and-imaginary-parts-of-a-function
I have an analytic form of a function
G[w_] = -I*z0*w/(1 + I*z0*w*a)
I know this function can be obtained (up to some overall normalization) from solving a differential equation numerically for ...
- asked by Physics Moron (3 votes)
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[Reconstruct a ‘Graph‘ from a picture] http://mathematica.stackexchange.com/questions/102362/reconstruct-a-graph-from-a-picture
Actually,I post a very similar question before this.How to generate a Graph from a picture of a graph
The Dr. belisarius’s answer have accomplished it.But I find a limitation in that method:If the ...
- asked by yode (6 votes)