9
votes
0answers
219 views

After editing a file Mathematica 10 interprets […]^2 as […(])^2

Bug introduced in 10.0 and persisting through 10.2 or later This is a very weird bug and I don't really know how to reproduce it, so I'll just copy-paste the whole code ...
9
votes
0answers
182 views

Check whether a working CCompiler is installed

Let me give a bit background: As many of my answers imply, I often use the auto-parallelization (meaning, that Mathematica distributes the calculation automatically over several cores when ...
9
votes
0answers
372 views

How can I find the source of a memory leak?

I found a really weird issue using NDSolve`ProcessEquations inside module. We start by setting HistoryLength to 0. After this we define a function which takes in an integer and creates a Table of ...
9
votes
0answers
136 views

How can I obtain the absolute settings of some Grid options?

For example: Grid[{{10!}, {5!}}, ItemSize -> Full, Frame -> All] What's the real value of Full? How can I map the ...
9
votes
0answers
230 views

Improving the performance of a package for working with rational functions

As Mathematica gets slow for large symbolic calculations, the cost of putting terms over a common denominator (Together), in particular, gets too high. It occurred ...
9
votes
0answers
995 views

Resources on Mathematica and strong AI (a.k.a. AGI)

David Deutsch (physicist / quantum computing theorist) wrote an article for Aeon Magazine last year: On Artificial Intelligence that got me thinking. The article assesses and critiques the ...
9
votes
0answers
238 views

Is there a way to teach integrate new solutions?

I have an integral which I can solve, but integrate cannot: ...
9
votes
0answers
215 views

Break[] inside ColorFunction

f[x_?NumericQ]:= (Do[Break[],{i,1,2}];x) Plot[x,{x,0,1},ColorFunction->(ColorData["Rainbow"][f[#]]&)] Break::nofwd: No enclosing For, While, or Do found ...
9
votes
0answers
660 views

Does Mathematica use the Elliptic Curve Method (ECM) in FactorInteger[]?

I'm not a mathematician, and I'm not even going to pretend that I understand anything of the ECM. But I know it can be a fast method for factorization. I benchmarked the factorization of ...
9
votes
0answers
334 views

How to style and position VerticalCallouts and RadialCallouts

Here is a pie chart with a labels placed with a "VerticalCallout" ...
9
votes
0answers
122 views

Using citations with Workbench

I have written a tutorial (.nb file) for a package using Workbench. In the tutorial there are some citations created with the recently introduced citation management system. They are simply numbered ...
8
votes
0answers
119 views

How best to simulate n-body systems in a functional way

I want to simulate a N-body system in the most functional way possible. The system I'm modeling are metallic colloidal particles in a solution of peroxide water, as here ...
8
votes
0answers
138 views
8
votes
0answers
143 views

How to bundle JLink with Java application using apache maven

The context: I am planning to visualize some results from my MMA code using D3.js. So I wanted to make a simple REST api using the light weight SparkJava framework. Given my fairly nonexistent ...
8
votes
0answers
68 views

$\tt SphericalHarmonicY$ does not seem to be an eigenfunction of the spherical harmonic equation

I applied the spherical harmonic equation on the SphericalHarmonicY functions like this: ...
8
votes
0answers
142 views

Odd Coloring with GeoRegionValuePlot

Bug introduced in 10.0 and persisting through 10.3 or later Bug behavior is version dependent When I'm plotting data with GeoRegionValuePlot, I'm getting some ...
8
votes
0answers
80 views

How to prevent the kernel from exiting when a LibraryLink function segfaults?

I do realize that this might be controversial, but I believe I have a real need for it this time. If a process tries to access memory at a location it doesn't own, it will by default exit with a ...
8
votes
0answers
158 views

Mathematica Courses or Bootcamps?

Related questions and link: Do you know of any web-based university course that is entirely Mathematica based? What is the best Mathematica tutorial for young people? ...
8
votes
0answers
63 views

More efficient way to generate lattice graph with edges between visible vertices?

Given a nXn lattice, I need to generate the graph such that there is an edge between two vertices iff they are directly "visible" to each other, i.e., there is no vertex between them. I'm using ...
8
votes
0answers
68 views

What is a full list of cell styling options and sub-options?

I'm trying to customize a style sheet and have hit a few speed bumps and walls. Firstly, I can't see how to do a few specific things, like to set the color of the cell's left side label: Or how to ...
8
votes
0answers
102 views

How to rasterize a Graphics3D expression into an Image3D?

I'd like to make a 3d image from a 3d graphics. Unfortunately Rasterize@Graphics3D[Sphere[]] gives a 2d image, is there any function like a Rasterize3D that does ...
8
votes
0answers
63 views

Is this behaviour, producing OutputSizeLimit`Dump`encapsulateOutput, a bug?

Bug introduced in 6.0.0 and persisting through 10.2.0 The input ...
8
votes
0answers
79 views

How to connect to a video stream?

Is there a way to get a current frame from video streams (especially from RTSP streams)? I would like to connect to a camera in my local network and get a snapshot from it to do some further ...
8
votes
0answers
372 views

Step-by-step instruction to Install C Compiler

I remember using C compiler on my previous computers, and I never had any problems installing them. At this time, however, I failed to work through the instructions provided in Mathematica ...
8
votes
0answers
68 views

Finding simplifying substitutions for an integral involving limits and integrand

[The following is based on a William Lowell Putnam Mathematical Competition problem.] Consider the definite integral: $I = \int\limits_2^4 \frac{\sqrt{\log (9-x)}}{\sqrt{\log (9-x)}+\sqrt{\log ...
8
votes
0answers
118 views

TimeConstrained[Delete[Range[1],1]] causes kernel crash

Run these two samples of code here (AFTER SAVING YOUR CURRENT WORK): Do[ TimeConstrained[ While[True, Delete[{1}, 1]; ];, 0.1];, {100}] ...
8
votes
0answers
126 views

What is stored in FrontEnd memory?

I quit the kernel, and closed all notebooks, leaving only the startup window. Yet when I open a new notebook, MemoryInUse[$FrontEnd] reveals that the FrontEnd still ...
8
votes
0answers
267 views

How to write markdown with Mathematica?

Usually I typeset with Latex and Compute with Mathematica and then copy the outputs as Latex code and insert them in Latex, so I have to switch between Latex and Mathematica frequently. Thanks to the ...
8
votes
0answers
84 views

Syntax error in debug mode

Bug introduced in 8.0 and persisting through 10.3.0 It appears that in debug mode, the \[Piecewise] symbol and its associated grid give a syntax error. For a ...
8
votes
0answers
105 views

Bug in ExportString with Associations as ExpressionML?

Bug present in 10.0.2 or earlier, and persisting through 10.3 If I try to export this toy code as ExpressionML or just XML: ...
8
votes
0answers
123 views

How to make Graphics3D with multiple lighting sources being rendered faster

I have a very "precise"(through setting "SpherePoints") Sphere illuminated by hundreds of random color lighting sources. The ...
8
votes
0answers
87 views

Graph: PropertyValue changes and Dynamic

I almost never work with Graph in Mathematica but lately I helped someone with it. For this, I tried to make an animation using ...
8
votes
0answers
160 views

How to export a text into eps without splitting

I want to use MathPSFrag in Mathematica to export graphics to EPS for inclusion in LaTeX files. However, with recent versions of Mathematica this does not seem to work very well anymore. I have fixed ...
8
votes
0answers
285 views

Interpolation on an unstructured (mostly-structured) grid in 4D+

I frequently need to perform interpolations on an unstructured grid. Mostly, with the purpose of filling grid holes and then later continue with regular grid interpolations. Mathematica V9 and V10 ...
8
votes
0answers
259 views

MathLink error while calling a custom Mathematica function - MLGet out of sequence

I am trying to call Mathematica 10 from F#. Following the C# sample code found in the Mathematica directory, I have written the following F# code: ...
8
votes
0answers
516 views

Problems running Mathematica 10 with Workbench 2 Windows 7 64 bit

My Workbench runs perfectly using Mathematica 9, however simple things which run just using the Mathematica 10 front end won't run when using Mathematica 10 and Workbench 2. These simple two lines of ...
8
votes
0answers
136 views

Can I use symbolic tensors for simple linear algebra and calculus?

As an example, I'd like to calculate this symbolic derivative: $\frac{\partial}{\partial b}(x-A.b)^{\mathsf{T}}.(x-A.b)$ where $x$ and $b$ are vectors and $A$ is a matrix. What I tried is this: ...
8
votes
0answers
133 views

Bug in PositiveDefiniteMatrixQ?

Fixed in 10.1.0. Exists in at least 9.0.1 -- 10.0.2. This seems like a bug in PositiveDefiniteMatrixQ to me: ...
8
votes
0answers
130 views

What are the possible security breaches in CDF content?

It has been noted on this site before that the free CDF player is notoriously trigger-happy in declaring dynamic content to be "potentially unsafe", and forcing the user to enable dynamic content ...
8
votes
0answers
156 views

The same analytical expression gets inconsistent FourierTransform results

I have an expression which is just a linear combination of plane waves, and I'd like to calculate FT of it. I know what I will get should be a bunch of delta functions, but it turns out Mathematica ...
8
votes
0answers
141 views

Detect when InputField gets keyboard focus

How might I detect when an InputField comes into focus? For example ideally something like this would work. ...
8
votes
0answers
84 views

How can autocomplete entries be added for DownValues and Properties?

I'd like to assign DownValues to a symbol like this x["firstvalue"] = 1; x["secondvalue"] = 2; And then have the ...
8
votes
0answers
172 views

How to add big data into a CDF file, without it being loaded into memory

I have 1 GB of data that I would like to add to a CDF file, but I would like to avoid it being loaded into memory when someone opens the file (Free Player). One gigabyte of info takes a lot of ...
8
votes
0answers
168 views

How can we extend the predictive interface so it can suggest new operations?

Introduction Mathematica 9 has introduced a new predictive interface. For each output, it suggest possible actions the user might want to take. How can this interface be extended so that it will ...
8
votes
0answers
368 views

Faster simplification of linear combinations of some specific functions

After some profiling I've found that my program spends most of its time in the simplification step. The program uses my simplification function many times (over different data). My calculation is not ...
8
votes
0answers
412 views

How can I export aligned equations to $\LaTeX$?

Using Palettes -> Writing Assistant -> Math Cells, you can enter aligned equations such as: ...
8
votes
0answers
201 views

Socket communication and player pro

I'd like to create a simple communication channel between MMA and the animation package 'Maya'. This is possible over sockets ( very simple, just sending and receiving strings). I've got this working ...
8
votes
0answers
298 views

Page Break Adjustment In Long Documents

Has anyone else had trouble in relocating page breaks in a long document? In a ~45 page long document I wanted to keep certain things on the same page. The system worked on the first three or four ...
8
votes
0answers
729 views

Inverse Laplace transform not obtained

I can't seem to be able to compute the inverse Laplace transform of a Laplace transform: ...
8
votes
0answers
170 views

TeXToBoxes and BoxesToTeX BoxRules options

A recent question has gotten me to look more into the tex conversion rules. Consider the following latex string: ...

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