9
votes
0answers
146 views

What was added to the LibraryLink API in version 9?

Looking at the LibraryLink examples, there are several new functions and objects, as well as example programs, that appeared in version 9. Are these documented? If yes, where? If would be nice to ...
9
votes
0answers
200 views

Setting non-standard ImageResolution for EMF export as default

Mathematica has a bug in that BarCharts and ListPlots with Filling will export as a ...
9
votes
0answers
154 views

Compile not correctly initializing a variable defined inside Module

In the following example, inside the minimumX's Module, x is initialized to 1, but the ...
9
votes
0answers
1k views

Download Mathematica 8 Trial

My school uses mathematica 8 on several of their computers. I would like to download a trail version for my home computer. I would like the same version. Is there a place I can download mathematica ...
9
votes
0answers
203 views

Why does $\frac{\partial}{\partial x}O\left(\left(\frac{1}{x}\right)^0\right)$ equal $O\left(\left(\frac{1}{x}\right)^0\right)$ in a series expansion?

When taking the derivative of a series expansion around a finite point, the $O(x^n)$ part is differentiated as expected. $O(x^n)$ becomes $O(x^{n-1})$ except $O(x^0)$ which stays $O(x^0)$. When ...
9
votes
0answers
158 views

HorizontalGauge causes problem with ScalingFunctions -> “Log”

I am trying to use HorizontalGauge[Dynamic[expt], {0.1, 100}, ScalingFunctions -> "Log"], i.e. a gauge with a logarithmic scale. This creates an error, a graph ...
9
votes
0answers
547 views

Dual complex integral over implicit path using contour plot

Context I am interested in doing double contour integral over paths which are defined implicitely. For the sake of debugging, let's assume its $$\oint_{\cal C}\oint_{\cal C} \frac{1}{u\, x} d u d x$$ ...
9
votes
0answers
325 views

Proving (self) similarity with Mathematica - Reccurrence Plots, Similarity Plots etc

I posted this question in math.se but given the sheer tumultuous number of questions that keep appearing on math.se and also given that I am trying to accomplish this in Mathematica, I thought I'd ...
9
votes
0answers
417 views

How to copy hyperlink addresses using the keyboard

I would like to copy the address of a hyperlink in Mathematica using the keyboard. I found code for copying hyperlink addresses in ContextMenus.tr: ...
8
votes
0answers
87 views

Is plot polluting my context?

Whenever I plot something 3 temporary variables get added to my current context. Example (fresh Kernel): Plot[x, {x, -1, 1}]; Names["Global`*"] Output: ...
8
votes
0answers
244 views

Minesweeper beta:How to Dynamic a lot of graphics with high-speed

Recently I want to write a game,Minesweeper.Here is my completed code. ...
8
votes
0answers
623 views

Dataset in Mathematica 10.0.1

Wolfram pages "Mathematica Quick Revision History" in Mathematica 10.0.1 release says: "New operators and compositions of operators enabled for associations functions such as Dataset and Query" ...
8
votes
0answers
250 views

How to export .mtl files for 3D textured objects

I would really like to deploy my textured 3D graphics in the web with sketchfab in my blog. Unfortunately, Mathematica only exports the shape of the 3d graphics, i.e. the .obj file, but omits the ...
8
votes
0answers
147 views

How to merge Datasets representing matrices with named rows/columns?

I am working with square (non-symmetric) matrices with named rows and columns. The data I receive is sometimes messy and rows/columns may come in various permutations. I usually need to ...
8
votes
0answers
235 views

Learning Resources for Data Science in the Wolfram Language

I'm delivering an upcoming course on Data Science with the programming/analysis done predominantly in the Wolfram Language. I created the following table to leverage students' familiarity with Lists ...
8
votes
0answers
95 views

Autocomplete of non-global functions

In Mathematica 9 and 10 they added autocompletion. Out of the box this works great, but when I set the CellContext to "Notebook" instead of the default "Global" (following this) it no longer ...
8
votes
0answers
142 views

Possible bug with FourierTransform linearity

Each component is easily transformed but the sum is not: FourierTransform[f''[x], x, k] FourierTransform[f'[x], x, k] ...
8
votes
0answers
157 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 ...
8
votes
0answers
256 views

How does Mathematica find a series expansion of expressions containing logarithms when there is a singularity at the expansion point?

I am looking for a good approximation to a function containing logarithms, especially at values close to zero. When I used Mathematica's Series command I found ...
8
votes
0answers
54 views

SyntaxInformation cannot reproduce syntax coloring of Block

Is there any way to have the same syntax coloring with SyntaxInformation that Block has? ...
8
votes
0answers
352 views

Import an SPSS, SAS, or STATA file into Mathematica

I would like to import the World Value Survey data file into Mathematica, but it's only given in spss, sas or stata formats, which are statistical analysis softwares format I think. I can't get to ...
8
votes
0answers
198 views

How to convert a notebook cell to a string retaining all formatting, colorization of identifiers etc?

I have an opened Mathematica notebook containing several cells. Suppose, I am interested in one of them -- it may contain a complete or incomplete expression (e.g. with syntax errors, highlighted ...
8
votes
0answers
462 views

Numerically solve 2nd order differential equation with singularity

Consider a second order differential equation with a potential that diverges at some generic value in the variable. For example: $$-y^{\prime\prime}(s)+\frac1{\mathrm{cn}{(s\mid k^2)}}y(s)=0$$ where ...
8
votes
0answers
216 views

Is there a way to teach integrate new solutions?

I have an integral which I can solve, but integrate cannot: ...
8
votes
0answers
438 views

More efficient matrix-vector product

Dear mathematica users, In my present research I am faced with a real dense $n\times n$ matrix $A$ where $n \geq 3000$ (hopefully even more). The coefficients of this matrix are fixed, but I will ...
8
votes
0answers
219 views

Multiple windows in Mathematica help

I'm new in Mathematica, and would like to know how can I open multiple help windows at the same time. It's this possible? I'm using Mac OS. I know it works for link in the help page with right mouse ...
8
votes
0answers
192 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 ...
8
votes
0answers
528 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 ...
8
votes
0answers
251 views

How to style and position VerticalCallouts and RadialCallouts

Here is a pie chart with a labels placed with a "VerticalCallout" ...
7
votes
0answers
75 views

Weird behaviour when using Scale, Rotate in Graphics

(Edited to simplify drawing) I have a drawing of two tangent circles: ...
7
votes
0answers
104 views

Plotting extra parametric axes

We are trying to plot a figure as below from data points. This version is a postprocessed plot (in Illustrator) just to obtain the skew axes. The rest is plotted with ...
7
votes
0answers
85 views

J/Link doesn't work with Java 8?

I have some code that successfully uses J/Link (well... until today when something I was doing something with it that crashed the JVM, so), and I recently tried running it under Java 8. I then get a ...
7
votes
0answers
194 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 ...
7
votes
0answers
142 views

Median of Dataset in Mathematica 10

I'm having trouble calculating the median of a Dataset[] in Mathematica 10. The situation is as follows. Consider a dataset that was defined as follows: ...
7
votes
0answers
183 views

Dataset: cannot reproduce a basic example. A bug?

Just to report: I try to reproduce the very first example for the Dataset from the Documentation Center: ...
7
votes
0answers
168 views

Partial Differential Equation in Parallel

is there any native way to implement multi-core parallel solving of PDE in Wolfram Mathematica? WM 10 now supports Finite Elements Method, but it is actually useless without parallelization. Usually ...
7
votes
0answers
76 views

Bug in TreeForm: “Plot” formatted as True

Bug introduced in 7.0.1 or earlier, persists through at least 10.0.2 I believe I have come across a rather curious bug in TreeForm: ...
7
votes
0answers
165 views

Calculating probabilities symbolically

Is there a way to solve for statistical quantities analytically/symbolically in Mathematica? example 1: Lets say that I want to do a calculation that requires Bayes theorem. I know p(a), p(b) and ...
7
votes
0answers
97 views

Bug in PositiveDefiniteMatrixQ?

bug persist as of version 10.0.2 This seems like a bug in PositiveDefiniteMatrixQ to me: ...
7
votes
0answers
149 views

TableView displays negative numbers incorrectly

I'm trying to substitute TableForm with TableView because TableView is more handy with big data . But on my Mathematica 9.0.1 (ubuntu 14.04_64bit) there is a problem with negative numbers: ...
7
votes
0answers
70 views

Maximum number of literal values for SetDelayed?

Under what circumstances should I expect Mathematica to turn a delayed assignment into an immediate assignment? I have put together a minimal example (available here) which demonstrates this behavior. ...
7
votes
0answers
184 views

Highlighting Mathematica code in LaTeX document

I was thinking about the best way to include Mathematica code in a LaTeX document with a nice syntax highlighting. I have tried the packages listings and minted (with pygments), which both claim to ...
7
votes
0answers
103 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 ...
7
votes
0answers
154 views

Fourier transform over a custom dimension

I have a multidimensional array A. Fourier[A] finds the discrete Fourier transform over all dimensions. How to find discrete ...
7
votes
0answers
116 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 ...
7
votes
0answers
266 views

Compile recursive function modifying global variables

How to compile recursive formula when it relies on more than a few global variables (global to the topmost compiled function)? It is unreasonable to pass on all such variables to each recursive ...
7
votes
0answers
178 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 ...
7
votes
0answers
736 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 ...
7
votes
0answers
148 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 ...
7
votes
0answers
437 views

Creating and using an explicit piecewise function in a convenient way

I have a set of data points that define a function in the form curvePts = {data1,data2,...} where ...

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