12
votes
1answer
1k views

How to install and configure Intel C++ Compiler for Mathematica correctly?

I wish to try the trial version of the latest Intel C++ Compiler for Windows with Mathematica. I have downloaded the current version of Intel® C++ Composer XE 2011 for Windows and installed only the ...
12
votes
2answers
3k views

How to print without having newline added automatically at the end?

Print["first part of the result", DateString[]] Print["addition to the result", DateString[]] will add a newline character at the end of line automatically for ...
12
votes
2answers
370 views

Compile for deployment

Is there any way (other than the manual one) to grab all the functions a notebook uses from the different user-defined packages and putting everything into one file to deploy the code for e.g. CDF? I ...
12
votes
3answers
826 views

Function does not compile with Greater in it

I have to speed up a matrix-calculation and would like to use Compile for it, though it fails and produces an unknown error message: ...
11
votes
1answer
153 views

BaseStyle ->AbsoluteThickness[somenumber] doesn't work in version 10?

Users of version 9 might be surprised by this outcome: Plot[{Sin[x], Cos[x]}, {x, 0, 5}, BaseStyle -> AbsoluteThickness[5]] It seems that ...
11
votes
3answers
955 views

Plot Matlab icon

I started to explore this on a whim and hasn't succeeded yet… Some introduction for the icon is found here but I can't understand it very well. (I admit that, though playing with ...
11
votes
3answers
235 views

How to efficiently find moments of a multinormal distribution?

I have a multinormal distribution with covariance matrix $\sigma$ and zero mean. I want to find moment $$ E[x_1^{r_1}x_2^{r_2}\cdots x_n^{r_n}] =\,? $$ Of course, there is a build-in function ...
11
votes
2answers
485 views

Soft-Match String Comparison

I have a list of names in which I would like to check for duplicates. However, within the list, the duplicates may not show up as exact duplicates of each other - for instance, ...
11
votes
1answer
361 views

Precise cropping with ImageCrop

The built-in ImageCrop function "effectively removes borders from image whose pixel value distribution is almost uniform" (emphasis mine). I need an efficient ...
11
votes
1answer
275 views

Is it possible to use Compile on a function with optional arguments?

My Mathematica is a little rusty, so apologies in advance. I think my problem is quite simple, but I can't seem to find the answer on my own! Simple example : ...
11
votes
1answer
2k views

How to work around Mathematica hanging when showing a large SparseArray?

Note: This is fixed in 9.0.1. In Mathematica 9, if I display any large SparseArray object in the default way (which looks something like ...
11
votes
3answers
899 views

Can Mathematica show me a fraction with a repeating decimal notation?

The value of 3/817 when expressed using the N[3/817, 100] shows me data without helping me see the repeating patterns: After I ...
11
votes
1answer
2k views

Make a density list plot/histogram from large, pre-binned data set?

I have a large data set consisting of $\mathcal{O}(10^9)$ two-dimensional points. In order to save memory and time I have pre-binned these into a uniform grid of $500 \times 500$ bins using Fortran. ...
11
votes
1answer
310 views

Finding minimal region with padding and linear map to circle

Suppose I have n ordered points. I would like to find a simple region that contains all the points and is close to the smallest region that contains the points except it is smooth and has some ...
11
votes
3answers
265 views

How to sort cells in a notebook based on cell tags?

Suppose I have a notebook with cells tagged with both numbers and words with numbers always list first, and some cells without cell tags e.g.: ...
11
votes
1answer
214 views

Manipulate[] inside DialogInput[]

I would like to get input from an interactive dialog that uses Manipulate[]. But I find that my Manipulate[] breaks when I put ...
11
votes
2answers
576 views

Correct way to handle mysterious NaN` result from MathLink function

I have a Mathematica expression that is mapped onto an external C function via MathLink. The external function passes a ...
10
votes
3answers
101 views

How to limit number of user-defined messages issued per evaluation

I have written code such that if it runs into a particular function, a warning message is issued. However, it is common for the program to call this function several times in a single evaluation, but ...
10
votes
3answers
542 views

How to use legends from PlotLegends in LevelScheme?

I've been attempting to find efficient ways to generate graphics with legends for export, and have been working with both LevelScheme and the new (to v9) ...
10
votes
5answers
520 views

Best way to modify values in a list of rules?

Recently I had to solve a problem similar to this: Let's say I have a list of list of rules ...
10
votes
1answer
1k views

What is the full list of all font families?

I'm having trouble finding a complete list of the FontFamily strings that mathematica supports.
10
votes
2answers
4k views

Use different ColorFunction for each function plotted

When plotting two curves on one plot, you can specify different colors for each function: Plot[{Sin@x, Cos@x}, {x, 0, 4π}, PlotStyle -> {Red, Blue}] To ...
10
votes
2answers
240 views

How to extract a specific element from EXIF photographic metadata?

It's now possible to import photographs into Mathematica and import the EXIF data at the same time: i = Import["ExampleData/coneflower.jpg", "ImageWithExif"] ...
10
votes
3answers
777 views

How can I type left (sub)superscript?

I want to type in my variable next to its plot and I'm typing the text in using Inset. However my variable has superscripts to the left. Say it looks like this: $ ...
10
votes
2answers
679 views

Detecting edge/region in contour plot

I am interested in improving this plot: which I produced with the following command: ...
10
votes
2answers
648 views

Evaluator option for Mathematica Scripts

I have mathematica with many additional kernels besides Local ( e.g., core1, core2, core3, core4 ... ) added through Kernel Configuration Options. I have been running multiple copies of a simulation ...
10
votes
1answer
347 views

How can I style text like in the documentation?

I'm writing an article, and I really like this style that you get when you type ?AnyFunction. Is it possible to achieve this?
10
votes
4answers
5k views

subscripts in plot axis labels

Superscripts can be included in axis labels by the use of the caret symbol (e.g., Plot[x^2, {x, -1, 1}, AxesLabel -> {x, x^2}]). How does one include subscripts ...
9
votes
3answers
307 views

Slow work of SQLInsert with SQLite

I want to store my data in SQLite database, but writing large numbers of data its too slow. For example: ...
9
votes
1answer
131 views

Mathematica's “POV” export format ignores ColorFunction

I was playing with xslittlegrass's Pov-Ray package and more generally with the POV-conversion function ExportString[#, "POV"] &, and noticed that ...
9
votes
1answer
155 views

In version 10 EvaluationCompletionAction “ShowTiming” no longer gives useful output; any solutions?

Bug introduced in 10.0.0, fixed in 10.0.2 In version 10 using this Front End option no longer gives useful output: ...
9
votes
2answers
270 views

How to change the appearance of a Cell GroupOpener?

I would like to change the Cell GroupOpener appearance. In the present Mathematica design it is too small and can be missed by a reader unfamiliar with Mma. I know, how to change its color through ...
9
votes
2answers
242 views

Mathematica: How to create a function that returns a property similar to how LinearModelFit works?

I'm trying to write a custom function in Mathematica, myFunc[x]. I want to be able to define properties of the function so that the user can call ...
9
votes
2answers
250 views

ScheduledTask with scoped variables. Working with timed evaluation

I guess I have to try harder and focus more but timed evaluation always frustrates me. I will show the issue on simple example of delayed trigger. ...
9
votes
1answer
334 views

How to convert Graphics3D object into an Image3D object?

How does one convert a Graphics3D object into an Image3D object? E.g., start with ...
9
votes
4answers
430 views

Graphics can't be live and editable

Is there a way to construct an interface so that the Code and the Graphics remain in sync? For example I would like to be able to drag/drop and move around different shapes in Graphic while seeing ...
9
votes
4answers
2k views

NMinimize usage

I would like to minimize functions including the following. NMinimize[{1 - (1 - 1/n)^x - x/n, n > x, x > 1}, {n, x}] However Mathematica complains about ...
9
votes
3answers
252 views

Using LinkSnooper for monitoring the communication with an installable MathLink program

How can I monitor the communication between an installable MathLink program and the kernel? Can LinkSnooper do this?
9
votes
2answers
293 views

Localizing variables within a Manipulate

I have a notebook with several examples of very similar computations, each involving the same variable/parameter names of the ingredients used in a final ...
9
votes
2answers
581 views

Extracting vertex coordinates from an automatically laid out graph

Given a Graph with an automatically computed layout (i.e. not explicitly given VertexCoordinates, but using a ...
9
votes
1answer
359 views

Syntax Highlighting for Mathematica on a Blog

Every once in a while I want to paste Mathematica code on my blog. When I do, I would like it to be somewhat readable, and it would be nice to have syntax highlighting. So far all my searches have ...
9
votes
2answers
656 views

Alternative Math Font

Are there other fonts that can be used for mathematical symbols? I have noticed, that choosing another font (via Stylesheet) does not change the math font (e.g. for greek symbols). Symbols will just ...
9
votes
1answer
344 views

Speed up DensityHistogram rendering (display)

When I tried to present some pre-calculated density histograms inside Manipulate I noticed that the display of DensityHistogram is extremely slow. Here is a simple ...
9
votes
1answer
298 views

How can I add row and column header images to my TableForm output?

I am experimenting with the Eigenfaces algorithm and have my notes and experimental data collected in a Mathematica notebook. The result of an experimental run is a table of scores, where the smallest ...
8
votes
1answer
300 views

Moving polygon on path curve to create 3D shape

How can I move some polygon list = {{0, 0}, {0, 15}, {7, 13}, {2, 13}, {2, 5}, {5, 5}, {5, 3}, {2,3}, {2, 0}}; Graphics[{Black, Polygon[list]}] so it follow some ...
8
votes
4answers
307 views

How discretize a region placing vertices on a specific non-uniform grid

Given a generic region, for example: Ω = ImplicitRegion[ 2 x^2 + 3 y^2 + 2 x y - 2 <= 0 ∧ x^2 + y^2 > .1, {x, y}]; and a non-uniform grid, for ...
8
votes
3answers
227 views

Disable templates for user defined functions with usages

It appears that fixing the template system is low on Wolfram Research's priority list. For my package, I have defined Usage info for my functions involving lots of ...
8
votes
2answers
239 views

Type conversion: LibraryLink mint vs. MathLink integer type

Assume the following situation: I have a WolframLibrary function which gets as parameter an integer tensor (which is for simplicity of rank 1) and the function should return an integer list through ...
8
votes
3answers
806 views

plotting a {{Latitude,Longitude}} list on top of a GIS shapefile

I have a dataset composed of points specified in {Latitude,Longitude} format. Call it latlong for the purposes of this question. It displays properly with ...
8
votes
0answers
193 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 ...

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