================================== Top new questions this week: ==================================
[Error "Throw::nocatch: Uncaught Throw[False] returned to top level" given each time I open a new Mathematica 10.1 session]http://mathematica.stackexchange.com/questions/85013/error-thrownocatch-uncaught-throwfalse-returned-to-top-level-given-each-t
From a few days now each time I open a new Mathematica session I get the small error messages window with the error
Throw::nocatch: Uncaught Throw[False] returned to top level.
repeatedly given, as ...
- asked by glance (13 votes), answered by ilian (7 votes)
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[Is it possible to extract data from an eps plot not generated in Mathematica?]http://mathematica.stackexchange.com/questions/85320/is-it-possible-to-extract-data-from-an-eps-plot-not-generated-in-mathematica
I want to extract data from an eps plot not generated in Mathematica and replot it. In general is it possible to extract data from plots in any formats in Mathematica? I searched but unfortunately ...
- asked by Soodeh Z. (11 votes), answered by Alexey Popkov (15 votes)
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[Mimic a procedural, recursive clustering algorithm for site percolation using functional programming]http://mathematica.stackexchange.com/questions/85185/mimic-a-procedural-recursive-clustering-algorithm-for-site-percolation-using-fu
Sorry in advance for my logorrhea: I just want to make sure all of the information is here.
Context and Question
I am investigating site percolation on a square lattice. I have a working, ...
- asked by march (11 votes), answered by Virgil (7 votes)
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[Subtracting two plots from each other after shifting one]http://mathematica.stackexchange.com/questions/85420/subtracting-two-plots-from-each-other-after-shifting-one
I have the following lists representing energy spectra that need to be subtracted from each other to produce a difference spectrum.
data1 = ...
- asked by W. Heisenberg (10 votes), answered by Histograms (15 votes)
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[Lookup with default broken in Dataset]http://mathematica.stackexchange.com/questions/85114/lookup-with-default-broken-in-dataset
Given an Association,
data = <|"1" -> <|"A" -> 10, "B" -> 20|>, "2" -> <|"C" -> 30, "B" -> 40|>|>
Lookup works w/ default:
data // Map[Lookup[#, "A", 0] ...
- asked by alancalvitti (10 votes), answered by WReach (5 votes)
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[Confused by the opts : OptionsPattern[ ] pattern] http://mathematica.stackexchange.com/questions/85347/confused-by-the-opts-optionspattern-pattern
I’m trying to make sense of the syntax in the clause opts:OptionsPattern[], as found in this standard "rule-based" (pseudo-)function definition pattern:
aFunction[a1_, a2_, a3_, ...
- asked by kjo (9 votes)
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[Why Mathematica cannot apply The Fundamental Theorem of Calculus automatically?] http://mathematica.stackexchange.com/questions/85166/why-mathematica-cannot-apply-the-fundamental-theorem-of-calculus-automatically
For some reason Mathematica cannot evaluate this definite integral:
$Version (* 10.1.0 for Microsoft Windows (64-bit) (March 24, 2015) *) Integrate[1/(Sqrt[x] Sqrt[1 - x + x^2]), {x, 1, 2}] (* ...
- asked by Vladimir Reshetnikov (8 votes), answered by Dr. Wolfgang Hintze (4 votes)
================================== Greatest hits from previous weeks: ==================================
[How to make an inkblot?] http://mathematica.stackexchange.com/questions/3345/how-to-make-an-inkblot
How to effectively create a polygon that looks like a realistic inkblot? So far, I could come up with this (borrowing from Ed Pegg Jr.’s Rorschach demonstration):
RandomBlot[num_, opts___] := ...
- asked by Istvan Zachar (71 votes), answered by Sjoerd C. de Vries (38 votes)
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[1 Plot, 2 Scale/Axis] http://mathematica.stackexchange.com/questions/627/1-plot-2-scale-axis
I would like to plot those two datasets on top of each other. But they have very different range on the \(y\) axis. How can I have two different axis?
I found the following on the help menu but quite ...
- asked by 500 (84 votes), answered by ArgentoSapiens (77 votes)
================================== Can you answer these? ==================================
[ConvexHullMesh sometimes excludes valid points from convex hull] http://mathematica.stackexchange.com/questions/85466/convexhullmesh-sometimes-excludes-valid-points-from-convex-hull
I have a sequence of polytopes that I am trying to visualize, and I find that ConvexHullMesh sometimes excludes points from the convex hull, and it does so inconsistently.
In particular, notice these ...
- asked by Marcus P S (2 votes)
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[How to specify finite difference approximation order in ‘NDSolve‘] http://mathematica.stackexchange.com/questions/85439/how-to-specify-finite-difference-approximation-order-in-ndsolve
According to here, NDSolve, when using the method of lines, creates partial derivatives in the spacial coordinate (lets talk just about one spacial coordinate for now) using the finite difference ...
- asked by rspencer (1 vote)
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[Better to have infinities in limits or integrands (‘NIntegrate‘)?] http://mathematica.stackexchange.com/questions/85483/better-to-have-infinities-in-limits-or-integrands-nintegrate
I'm using ListPlot to plot the integral of a function with respect of the function's second variable: ListPlot[NIntegrate[integrand[x, #], {x, -Infinity, 0}]&/@Range[10, 20]]. The integral ...
- asked by Love Learning (2 votes)