# All Questions

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### Why do PopupMenus render inconsistently on Macs?

This has been bugging me for years but because it doesn't effect performance I've never got around to asking. The problem below occurs for me in V8, 9, 10 with OS X 10.8, 10.9 and 10.10. I've tested ...
65 views

### How to export Speak output?

I made a series of interval workouts based on Speak[], where the voice tells me when the intervals start, when they stop and how much time I have left to prepare. ...
68 views

### Calling C++ from Mathematica Mac OS X

I am trying to call and run the C++ code at the bottom of this post which must be stored in a file called poissonvariate.cpp. I am getting the following error message which I will display here before ...
1k views

### How to speed up the function DelaunayTriangulation?

First define a function meshGrid to generate some points: ...
58 views

### Import a web page with $\LaTeX$ code including images (png or other)

To be brief; I would like to import a web page, so I use Import["http://fabricebaudoin.wordpress.com/2012/10/25/lecture-32-the-malliavin-derivative/"]; which ...
1k views

### Managing formatted usage messages in Wolfram Workbench

We have numerous packages (defined in .m files) that we maintain and develop in WolframWorkbench (2.0), and in those packages, we use the traditional method of ...
36 views

### Creating Identification/Classification trees

I have data given in following format; from which I need to create identification/classification trees (three different trees from three different criterion, that is average disorder, gain ratio and ...
145 views

### There is an issue with Manipulate in which it updates its argument twice in V10

I have asked this question before (here) and I thought that the issue is only when moving the Notebook window. It appears that Manipulate is working in weird manner. ...
509 views

### PlotMarkers problem in ErrorListPlot, Mathematica 10

Bug introduced in 10.0.0 I recently upgraded to Mathematica 10, very excited about the multiple undo function of course. However I very quickly noticed that if I specify a setting for ...
88 views

### WorkingPrecision causes issue in the NIntegrate

I really can't figure out why my code sometimes is not working. My integrals involve two variables (k and kz). The integration ...
24 views

### Successive addition or deletion of vertices (or edges) in graph

I am trying to perform a kind of dynamic graph simulation where vertices and edges of graph are added and deleted according to the current state of the graph at each time step. I know that there are ...
59 views

### WSMModelData Error

I am getting this error message when I run simulation in Mathematica that makes iterations to a SystemModeler model. ...
21 views

### PolynomialMod: Unexpected results

Executing PolynomialMod[(X - 1) (X^3 + 2) (X^2 + 1), 2 - 2 X] 0 But ...
55 views

### Problem in evaluation of a solution and plotting

I've written out a code which solves a equation and uses this solution to find "ph". ...
23 views

### GeoLabels/Tooltips in Geographic Plots from Dataset

I am looking to plot a list of list of regions, and attach some data to the GeoLabel. All the data is stored right now in a Dataset that contains entries of the form ...
81 views

### How can I define or use a new coordinate system in Mathematica?

I want to use the dipole coordinate system as defined in this paper: http://arxiv.org/abs/physics/0606044 I see that Mathematica can do all kinds of vector analysis using different kinds of ...
40 views

### Why does Mathematica not restrict the domains of Rational Expressions?

As taught in High School Mathematics: \begin{array}{ccl} \left\{ {(x-3)(x+3)\over 5(x+3)} : \ x\ne -3 \right\} & \ne & \left\{ {x-3\over 5} : \ x\in\mathbb{R} \right\} \\ \left\{ ...
52 views

### Piecewise ColorFunction for Plot3D

I want to make a 3D plot where the ColorFunction is different depending on whether the function value is positive or negative. I know how to do the following: ...
206 views

### Error in infinite sum

The binary weight of the non negative integer k is defined by w[k_] := Total[IntegerDigits[k, 2]] The first values are (cf. http://oeis.org/ A000120) ...
150 views

### Prevent Export from overwriting files

Export["filepath1",Expression1] works for me, but if filepath1 already exists, it will be overwritten. I'd like ...
199 views

### Why do the eigenvectors for two similar matrixes differ by a large amount

I have two matrixes with values differs only slightly ...
39 views

38 views

### Find how many arguments a function has [closed]

I have a function that makes a pure function version of the gradient. It has two inputs, the function and the size of the gradient you want to take. ...
89 views

### Inverse of Times->Sequence

Suppose there is a list list={abc} then the replacement Times->Sequence gives ...
117 views

### Issue with Set function

Tables often come with column headers. Indexing the columns with the header is a natural thing to do. Although a proper dictionary is the usual solution in such a case, I find it often practical and ...
52 views

### Math diacritics go missing when exporting graphics

Take this example plot: plot = Plot[x, {x, -1, 1}, Frame -> True, FrameLabel -> {"x", "\!$$\*OverscriptBox[\(x$$, $$_$$]\)"}] When I export it to PDF, ...
77 views

### CUDA 6.5, Mathematica 10.0.2, and Ubuntu 14.04

I have CUDA 6.5 working fine on Ubuntu 14.04. Mathematica recognizes the driver (Nvidia 340), but CUDAQ[] returns False and I cannot get any CUDA functions to work in Mathematica. I have created ...

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