================================== Top new questions this week: ==================================
[Why does Mathematica report that \(\int _1^\infty \frac {\sin (\sqrt {x})}{\sqrt {x}}dx\) = \(2\cos (1)\)?] http://mathematica.stackexchange.com/questions/106162/why-does-mathematica-report-that-int-1-infty-frac-sin-sqrtx-sqrtxdx
Bug introduced in 7.0 or earlier and persisting through 10.3.1 or later
Mathematica 10 gives the following very odd result,
Integrate[Sin[Sqrt[x]]/Sqrt[x], {x, 1, Infinity}] (* 2 Cos[1] *)
which seems ...
- asked by JEM (30 votes)
—————————-
[How was Mathematica built?] http://mathematica.stackexchange.com/questions/106020/how-was-mathematica-built
I’ve been wondering this for a while now: How was Mathematica built?
Is it written in Haskell? C++? I’d love to get a taste of the wizardry behind this incredible software.
- asked by Chet (14 votes), answered by Sjoerd C. de Vries (19 votes)
—————————-
[How can one manually change the rule ordering] http://mathematica.stackexchange.com/questions/106068/how-can-one-manually-change-the-rule-ordering
I have a function which has some general behaviour, but that should act on some specific kinds of objects in some other way. I know that Mathematica is supposed to automatically order the rules so ...
- asked by Lior Blech (14 votes), answered by Mr.Wizard (15 votes)
—————————-
[What governs images resizing in the FrontEnd environment] http://mathematica.stackexchange.com/questions/106204/what-governs-images-resizing-in-the-frontend-environment
What is responsible for the middle Row images’ size? And why single image row is different?
{#, Row[{#, #}], Row[{#}]} & @ RandomImage[1, {100, 100}]
I know I can prevent that with mapping ...
- asked by Kuba (13 votes), answered by Jason B (9 votes)
—————————-
[How to report a bug in Mathematica] http://mathematica.stackexchange.com/questions/106227/how-to-report-a-bug-in-mathematica
I found two bugs in Mathematica (10.3 and 10.1) and I need to report it. Is there any tools to do that or section on Wolfram website?
- asked by Developer2000 (12 votes), answered by Szabolcs (17 votes)
—————————-
[Reproduce image effect in Mathematica] http://mathematica.stackexchange.com/questions/106165/reproduce-image-effect-in-mathematica
How do I create the "dotifying" effect below in Mathematica?
I have tried to use Rasterize first to get the image pixelated, but how do I get the disc/circle pattern then?
image := ...
- asked by macurie (12 votes), answered by rhermans (17 votes)
—————————-
[How to make a CahnHilliard model GIF] http://mathematica.stackexchange.com/questions/106333/how-to-make-a-cahn-hilliard-model-gif
The question derived from @Jason B ’s answer.I wanna make it but don’t how to do. But we can get some rule about the GIF
The change of the total pixel is very small.
imagelist = ...
- asked by yode (10 votes), answered by MarcoB (15 votes)
================================== Greatest hits from previous weeks: ==================================
[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 (89 votes), answered by level1807 (53 votes)
—————————-
[How to calculate contour integrals with Mathematica?] http://mathematica.stackexchange.com/questions/34073/how-to-calculate-contour-integrals-with-mathematica
How to calculate the integral of \(\frac {1}{\sqrt {4 z^2 + 4 z + 3}}\) over the unit circle counterclockwise for each branch of the integrand?
- asked by user64494 (20 votes), answered by Artes (39 votes)
================================== Can you answer these? ==================================
[Extracting control points from BezierFunction] http://mathematica.stackexchange.com/questions/107435/extracting-control-points-from-bezierfunction
given a Bezier surface, is there a simple way to express \(g_{12}\) (from the First fundamental form) again in Bezier form?
More precisely, I have control points and a Bezier function \(f\):
cps = {{{0, ...
- asked by Osmihran (1 vote)
—————————-
[Order of importing data from files] http://mathematica.stackexchange.com/questions/106296/order-of-importing-data-from-files
I have many text files numbered from 1 to 1 million in numerical order. Within each text file is 5 columns of data (TAB spaced) with many rows. I effectively want to take the minimum value from each ...
- asked by David (1 vote)
—————————-
[WolframScript Unix - Script Parameters on Raspberry Pi] http://mathematica.stackexchange.com/questions/107436/wolframscript-unix-script-parameters-on-raspberry-pi
I’m currently trying to run a script with 2 parameters which gets called via a BASH script. The script runs fine however the list of passed parameters , $ScriptCommandLine, always stays empty.
...
- asked by TheCheatsrichter (2 votes)