================================== Top new questions this week: ==================================
[A With expression local variable specification without head List] http://mathematica.stackexchange.com/questions/88920/a-with-expression-local-variable-specification-without-head-list
I just noticed a new form of With in its documentation:
With[$x=x_0$, $expr$]
specifies that all occurrences of the symbol \(x\) in \(expr\) should be replaced by \(x_0\).
Note the lack of braces ...
- asked by jkuczm (17 votes), answered by Itai Seggev (9 votes)
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[New AssociationThread forms in 10.2?] http://mathematica.stackexchange.com/questions/88940/new-associationthread-forms-in-10-2
Is this another case of "documented" but "not implemented" ? or at least it is not explained clearly as I cannot make it work:
Two new forms appears in the new 10.2 doc. of AssociationThread (the ...
- asked by SquareOne (17 votes)
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[Visualizing Type System Operations] http://mathematica.stackexchange.com/questions/89080/visualizing-type-system-operations
With the introduction of Dataset in version 10, Mathematica acquired a static type-checking subsystem. A fair number of dataset-related questions here on MSE concern the operation of that type ...
- asked by WReach (16 votes), answered by WReach (16 votes)
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[Dataset seems to break Information] http://mathematica.stackexchange.com/questions/89036/dataset-seems-to-break-information
Bug present in version 10.2
My little function, from pre-10.2 ,to turn a headed table into a Dataset. toDataset[table_List] := Dataset@(Association /@ (Function[r, Thread[First[r] -> #] ...
- asked by Ymareth (16 votes), answered by WReach (14 votes)
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[Initial values in Manipulate are hijacked by existing global variable values] http://mathematica.stackexchange.com/questions/89108/initial-values-in-manipulate-are-hijacked-by-existing-global-variable-values
Is the following behaviour a bug? It's the same in all versions between 9.0-10.2.0. Let's try this simple Manipulate with the initial value of a set to 1: Manipulate[Style[a, Large], {{a, 1}, 0, ...
- asked by Szabolcs (13 votes)
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[Undocumented fourth parameter of Collect; how long has it been there?] http://mathematica.stackexchange.com/questions/88781/undocumented-fourth-parameter-of-collect-how-long-has-it-been-there
While tinkering with How to get a list of monomials of a polynomial without coefficients? on a whim I tried a fourth argument in Collect and found:
Collect[(x + y + z + 1)^2, {x, y}, foo, bar]
...
- asked by Mr.Wizard (13 votes)
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[How can we show the boundary of a WordCloud shape?] http://mathematica.stackexchange.com/questions/88846/how-can-we-show-the-boundary-of-a-wordcloud-shape
WordCloud can arrange the words inside a shape. data = EntityValue[CountryData[], {"Name", "Population"}]; WordCloud[data, Disk[], WordOrientation -> "Random", Frame -> True]
As you can see ...
- asked by Szabolcs (12 votes), answered by Sjoerd C. de Vries (12 votes)
================================== Greatest hits from previous weeks: ==================================
Parallel and perpendicular symbol from Mathematica to LaTeXhttp://mathematica.stackexchange.com/questions/46538/parallel-and-perpendicular-symbol-from-mathematica-to-latex
I want to get the following expression from Mathematica to LaTeX\[ \begin {bmatrix} E_{\parallel } \\ E_{\perp } \end {bmatrix} \] I have tried to use inbuilt ’symbol’ character from the special ...
- asked by Steve Hatcher (4 votes), answered by Sjoerd C. de Vries (9 votes)
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[Generating visually pleasing circle packs] http://mathematica.stackexchange.com/questions/40334/generating-visually-pleasing-circle-packs
EDIT: (my conclusion and thank you note) I want to thank you all guys for this unexpected intellectual and artistic journey. Hope you had fun and enjoyed it the same as I did.
I would like to ...
- asked by VividD (79 votes), answered by level1807 (49 votes)
================================== Can you answer these? ==================================
[Call library function in compile] http://mathematica.stackexchange.com/questions/89134/call-library-function-in-compile
On the Wolfram official website, there is an example of calling library function in a compiled function:
Needs["CompiledFunctionTools`"]
...
- asked by xslittlegrass (2 votes)
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[MMA breaks down when DSolve -ing a third-order linear ODE] http://mathematica.stackexchange.com/questions/88862/mma-breaks-down-when-dsolve-ing-a-third-order-linear-ode
My code is:
DSolve[y'''[x] + (x^3 + a^3) y[x] == 0, y[x], x] It should be noted that similar code not only meets the similar problem but also returns more warning messages: DSolve[y'''[x] + (x^3 ...
- asked by WateSoyan (9 votes)
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[HistogramList is much Slower in 10.2 vs 10.1] http://mathematica.stackexchange.com/questions/88992/histogramlist-is-much-slower-in-10-2-vs-10-1
While I was running a code I wrote using version 10.1, I noticed that in version 10.2 the running time of the same code was more than twice as long. After some digging, I figured out the culprit is ...
- asked by RunnyKine (10 votes)