================================== Top new questions this week: ==================================
[White balance correction with Mathematica] http://mathematica.stackexchange.com/questions/77235/white-balance-correction-with-mathematica
Does Mathematica include a function to correct the white balance of an image? ImageAdjust would seem to be the first go-to choice, but I haven’t found a way to correct white balance without changing ...
- asked by shrx (12 votes), answered by Karsten 7. (11 votes)
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[Inline documentation of "Properties"] http://mathematica.stackexchange.com/questions/77056/inline-documentation-of-properties
Context
I find the documentation has become a bit of a maze, in particular given the more recent convention of having keywords has strings rather than Mathematica Keywords.
For instance,
...
- asked by chris (10 votes), answered by halirutan (15 votes)
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[What is the fastest way to get the nth distinct permutation of a list?] http://mathematica.stackexchange.com/questions/77443/what-is-the-fastest-way-to-get-the-nth-distinct-permutation-of-a-list
What is the fastest way to write a function nthPermutation[xs_List, n_Integer] which is equivalent to Permutations[xs][[n]] but does not explicitly compute all the permutations of xs? This feature ...
- asked by David Zhang (8 votes), answered by 2012rcampion (6 votes)
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[Area of Self-Intersecting Polygon with Repeated Vertices] http://mathematica.stackexchange.com/questions/76999/area-of-self-intersecting-polygon-with-repeated-vertices
So Mathematica uses an even-odd rule for self-intersecting polygons, both when rendering them and when calculating their area:
poly = Polygon@0., 0, 3, 0, 3, 2, 1, 2, 1, 1, 2, 1, 2, 3, ...
- asked by Martin Buttner (8 votes), answered by Michael E2 (7 votes)
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[Why does cropping an image improve TextRecognize so much?] http://mathematica.stackexchange.com/questions/76993/why-does-cropping-an-image-improve-textrecognize-so-much
I am trying to use the TextRecognize function to extract data from certain screenshots. This is already a cropped version.
Using TextRecognize on this yields 12 Catherine FicktEuSC|'\A|V|K. Not ...
- asked by timvermeulen (8 votes)
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[How to evaluate a function on a list until stable?] http://mathematica.stackexchange.com/questions/77403/how-to-evaluate-a-function-on-a-list-until-stable
I need to evaluate a function func on a range of integers (NOT recursively, just sequentially) until the result is stable enough. I can write a not very clever step-by-step program using While:
...
- asked by Ziofil (7 votes), answered by Pickett (6 votes)
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[How to programmatically covert a function-like rule to a pure function?] http://mathematica.stackexchange.com/questions/77436/how-to-programmatically-covert-a-function-like-rule-to-a-pure-function
Is there a programmatic way to convert a Mathematica rule that acts like a typical mathematical function of one variable into the equivalent pure function? For example, the code should convert
f[x_] ...
- asked by ibeatty (7 votes), answered by rasher (7 votes)
================================== Greatest hits from previous weeks: ==================================
[List of compilable functions] http://mathematica.stackexchange.com/questions/1096/list-of-compilable-functions
Is there somewhere a list on the functions that Compile can compile, or the cases in which a particular function can be compiled that I haven’t found? I’d be glad even with a list of some of them ...
- asked by Rojo (82 votes), answered by Oleksandr R. (91 votes)
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[Having used Mathematica as a "gateway" language, where to from here?] http://mathematica.stackexchange.com/questions/25702/having-used-mathematica-as-a-gateway-language-where-to-from-here
I have been using Mathematica for about a year. It is the first language that I have attempted to learn. I’m still very much a newbie, but there are moments I feel more like I am waving than drowning. ...
- asked by geordie (42 votes), answered by Leonid Shifrin (47 votes)
================================== Can you answer these? ==================================
[What is the "Origin" rule for in a Dataset?] http://mathematica.stackexchange.com/questions/77186/what-is-the-origin-rule-for-in-a-dataset
Take an innocuous Dataset.
d= Dataset[List[ Association[Rule["A","K1"],Rule["B",6.‘]], Association[Rule["A","K1"],Rule["B",1.‘]], Association[Rule["A","K2"],Rule["B",1.‘]], ...
- asked by Ymareth (1 vote)
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[Running Java with Wolfram Workbench on a parallel kernel] http://mathematica.stackexchange.com/questions/77137/running-java-with-wolfram-workbench-on-a-parallel-kernel
I’m trying to load my package on a parallel kernel while debugging in Wolfram Workbench 2.0. My project is set up as a Java project and parts of it use Java functions located in jar files. The java ...
- asked by faysou (1 vote)
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[Fitting data to a derivative model]http://mathematica.stackexchange.com/questions/77345/fitting-data-to-a-derivative-model
I just started using Mathematica. I would like to use Mathematica to do non-linear regression. My model equation is :
...
- asked by Asd (1 vote)