================================== Top new questions this week: ==================================
[Can Mathematica solve Plateau’s problem (finding a minimal surface with specified boundary)?] http://mathematica.stackexchange.com/questions/72203/can-mathematica-solve-plateaus-problem-finding-a-minimal-surface-with-specifie
Given a closed curve \(\mathcal C\) in three dimensions, is it possible to use Mathematica’s built-in functionality to compute a minimal surface whose boundary is \(\mathcal C\)? For simplicity, let us ...
- asked by Rahul (20 votes), answered by ybeltukov (17 votes)
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[Maximize[Cos[x - 1], x] is not evaluated] http://mathematica.stackexchange.com/questions/72444/maximizecosx-1-x-is-not-evaluated
No explanation needed:
Maximize[Cos[x + 1], x] Maximize[Cos[x - 1], x]
producing
{1, {x -> -1 + 2 Pi}}
Maximize[Cos[1 - x], x]
Needless to say, this is pretty amusing.
Does anyone know why ...
- asked by DumpsterDoofus (18 votes), answered by Michael E2 (8 votes)
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[Reading from a socket stream] http://mathematica.stackexchange.com/questions/72551/reading-from-a-socket-stream
I noticed an undocumented socket package (SocketLink) in Mathematica (Using version 10, not sure when it was actually added) and wrote a barebones HTTP responder using it:
<<SocketLink` host = ...
- asked by MBryn (10 votes)
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[For a given expression: if it appears, remove it, but if it is absent, add it] http://mathematica.stackexchange.com/questions/72380/for-a-given-expression-if-it-appears-remove-it-but-if-it-is-absent-add-it
While reformatting Szabolcs’s code from (42660) I noticed this interesting operation:
expr/.{{-\[Infinity],mid___,\[Infinity]}:>{mid},{-\[Infinity],mid___}:>{mid,\[Infinity]},{mid___,\[Infinity]}
- asked by Mr.Wizard (10 votes), answered by Mr.Wizard (5 votes)
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[Unexpected pattern matching behaviour: PatternSequence vs. Optional]http://mathematica.stackexchange.com/questions/72290/unexpected-pattern-matching-behaviour-patternsequence-vs-optional
Consider the following pattern-matching expressions:
MatchQ[{1, 2}, {a_, b_}] (* True *) MatchQ[{1, 2}, {a_, b_:0}] (* True *) MatchQ[{1, 2}, ...
- asked by WReach (10 votes)
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[Incorrect use of Scaled causes crash]http://mathematica.stackexchange.com/questions/72560/incorrect-use-of-scaled-causes-crash
Bug introduced in 8.0 and persisting through 10.0.2 or later
While playing with Scaled, I made a syntax error which caused a crash instead of an error message ...
Do you get the same ? (I have ...
- asked by SquareOne (9 votes)
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[Using map projections with astronomical data]http://mathematica.stackexchange.com/questions/72426/using-map-projections-with-astronomical-data
I noticed that all important "Geoprojections" are available in projections for a spherical reference models: GeoProjectionData function;
1 - I am trying using the sinusoidal projection for ...
- asked by locometro (8 votes), answered by Kuba (7 votes)
================================== Greatest hits from previous weeks: ==================================
[How to find all the local minima/maxima in a range]http://mathematica.stackexchange.com/questions/5575/how-to-find-all-the-local-minima-maxima-in-a-range
I want to find :
all local maxima in range all local minima in range
>From those points I can interpolate and combine functions upper and lower boundary. What I am really interested in, is the ...
- asked by Margus (46 votes), answered by Daniel Lichtblau (45 votes)
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[Alternatives to procedural loops and iterating over lists in Mathematica]http://mathematica.stackexchange.com/questions/7924/alternatives-to-procedural-loops-and-iterating-over-lists-in-mathematica
While there are some cases where a For loop might be reasonable, it’s a general mantra one I subscribe to myself that "if you are using a For loop in Mathematica, you are probably doing it wrong". ...
- asked by Mr.Wizard (101 votes), answered by Mr.Wizard (66 votes)
================================== Can you answer these? ==================================
[Is there a notebook to create entries for OEIS?]http://mathematica.stackexchange.com/questions/72451/is-there-a-notebook-to-create-entries-for-oeis
Is there a notebook to create entries for OEIS?
I seem to recall something like this a few years ago, but I haven’t been able to find one. It might be from MathWorld. Any suggestions?
Edit If I had ...
- asked by Fred Kline (2 votes)
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[SumConvergence fails in version 10] http://mathematica.stackexchange.com/questions/72361/sumconvergence-fails-in-version-10
SumConvergence[(-1)^(n + 1) ((Cos[n^2] + Sin[n + 2])/7^n), n]
Mathematica fails to provide a result (true/false) but wolfram alpha works. What should I do ?
It gives ...
- asked by Parhs (5 votes)
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[How can I detect certain letters by shape in an image?] http://mathematica.stackexchange.com/questions/72497/how-can-i-detect-certain-letters-by-shape-in-an-image
I have a website where people can post Flipbook animations, called Flipnotes. Unfortunately, most of the Popular flipnotes are in the following categories:
MV (Music Video) AV (Audio Video) AMV ...
- asked by Austin Burk (1 vote)