# All Questions

241 views

### Splitting a list in which figures vary from negative to positive

Consider the following list: data={4078, 256, -1266, -388, 1290, 1368, 1446, 1524, 2}; I would like to split any kind of such list always, when figures turn form ...
300 views

### Align Array Plots

I have two ArrayPlots that I would like to align but my "tweaking" failed yet. I would like each "row" to be aligned. ...
368 views

### Mathematica implementation of Earth Movers Distance?

Has anyone implemented in Mathematica the Earth Mover's Distance (EMD)? A concept dating back to Monge 1871, used to compare histograms and images, e.g., the CIEDE2000 Color Difference algorithm. ...
894 views

### Labels and tickmarks inside Frame

Is there a way to force Plot and related functions to place the tick labels inside, rather than outside a frame? For example, consider, ...
333 views

### Problem when defining variable in Mathematica

I'm trying to run this: domain := {n, 0, 10}; Plot[n, domain] but it doesn't work. Instead, it generates the message ...
412 views

### What are the standard colors for plots in Mathematica 10? [duplicate]

Mathematica 10 release appears to have changed the default styling of plots: the most visible changes are thicker lines and different default colors. Thus, answers to this stackoverflow question are ...
257 views

### Generating high quality charts in Mathematica for use in LaTeX and Word

I frequently have a probelem using my charts in reports because the text (axes labels and tick marks) look low resolution (fuzzy). When I export my charts, i export them as PNG files. Unless I'm ...
139 views

### AndersonDarlingTest and DistributionFitTest Leaking Memory

I believe AndersonDarlingTest and probably all other tests are keeping a copy of data somewhere and not freeing it: ...
106 views

### Esc-esc for special characters and autocomplete in Mathematica 9 [duplicate]

I recently upgraded to Mathematica 9 and have noticed a slightly annoying behavior that I was looking to remedy. In the past I would type special characters, e.g. ...
215 views

### PlotRangeClipping not working correctly with small ImageSize and PDF-export

Although Mathematica has some nice plotting capabilities, there are some things which are annoying me: I like to export a Graphics oder Plot to PDF for use in $\LaTeX$. I like to a have an ImageSize ...
375 views

### Partitioning a list by recursion (Programming Paradigms via Mathematica (A First Course))

I am working through the course Programming Paradigms via Mathematica. One of the homework exercises for the section Recursion I: Passing the Buck is as follows: Use recursion to partition a ...
250 views

### Correct way to generate large data sets (i.e.forward yield curve )

I would like to generate a set of forward yield curve matrix of size 1000 x 100. First I defined my SparseArray of 1000 x100: ...
301 views

### How can I find these patterns' signatures?

I think I can explain it best starting with an example. I have the following lists: ...
203 views

### Save notebook without including Front End version information

How can a notebook be saved without including the front end version? If you open a .nb file, you'll see something like ...
339 views

### Changing default ImageSize in the frontend?

I would like graphs to appear somewhat larger in my notebooks (running v8.0.4 on OSX 10.8.2). Naturally I can specify ImageSize in each individual plot, or drag ...
123 views

### Prevent Plus from threading InterpolatingFunction

For an InterpolatingFunction $y:\ \mathbb{R}\to\mathbb{R}^2$, Plus is unaware of this, so when I do any modifications to it in ...
713 views

### Efficient evaluation of functions defined by NIntegrate

I have a complicated function $f$ and I want to plot the function $F(x)$ defined by the definite integral of $f$ from $0$ to $x$: $$F(x) = \int_0^x f(y)\mathrm dy.$$ Apparently $f$ cannot be ...
317 views

### Symbolic Integration along contour: branch cut problem?

Context Following this question on path integrals in the complex plane, having defined again a numerical and symbolic integrator along a path as ...
370 views

### Converting other C++ classes to MTensor in LibraryLink

Hopefully this will be a quick question + a quick answer: Say I have a C++ (or C) code using LibraryLink. I am using a library that defines a specific matrix class, as many numerical libraries ...
685 views

### RegionPlot (or FillingStyle) using hash lines? [duplicate]

Possible Duplicate: Filling a polygon with a pattern of insets I have a RegionPlot (and sometimes a regular Plot) where I'd like to shade two different parts of it two different ways. Since ...
778 views

### Exporting a Large Multidimensional Sparse Array

I'm trying to export a sparse array from Mathematica to share with collaborators who primarily use Matlab. The sparse array in question is 4 dimensional, (72 x 93 x 94 x 172) with ~4M non-zero ...
3k views

### how to make graphic timelines in mathematica

Hi does anyone know how to make timelines with mathematica? http://images.nationmaster.com/images/motw/atlas_middle_east/turkey_timeline.jpg something like that would be great! thanks
280 views

### How to resize the text content of a grid with it?

I am in a resizing mood these days. This code works quite well, up to a point. ...
649 views

### What is the Mathematica equivalent for the Excel function tinv()?

TINV() returns the t-value of the Student's t-distribution as a function of the probability and the degrees of freedom. For example ...
300 views

### Keeping Quotation Marks in Output

I am running into the following seemingly simple problem. I have this code: testphrase="i love you"; input=ToLowerCase[StringSplit[testphrase, Whitespace]] It ...
290 views

### Strange behavior of CreateDialog's WindowSize option

Compare the two dialog windows, created by the same code except in the first WindowSize has a value while I omit it in the second one. Note, that ...
410 views

### CDF and MediaWiki

Recently there was a handful of CDF embedding-related topics. However I would like to ask whether anyone has succeeded in embedding CDF into MediaWiki page? I've attempted to do so with the Widget ...
265 views

### WordData for other languages

Mathematica already includes dictionaries for a lot of languages. What I am looking for is a handy semantic/grammatic database for Hungarian, just like WordData for ...
485 views

### Most efficient way to obtain samples from high-dimensional multivariate distributions?

Is MultinormalDistribution[] efficient and easy to use for high dimensions? I have a variable $n$ representing the dimension of a Monte Carlo integration I do on a ...
1k views

### Producing cleaner Mathematica output

I asked this in chat and it turns out it would make for a good question make a posting for. I am writing up a handout type notebook and I'd like to have some clean output for presentation's sake. ...
219 views

### Does FindFit support complex numbers or doesn't it?

Inspired by this previous question: Findfit doesn't give the good fit; Changing the starting values will not change the results. Consider the following complex-valued dataset. ...
230 views

### Finding all sets of elements with two common elements in a large dataset

I have a very large network of atoms ($\approx 10^6$ atoms) with fixed positions that resemble a cellular structure: I have two files including: fixed locations of each atom set of points which ...
480 views

### Any way I can solve this integral?

So, Mathematica can't solve it. Any workaround? \begin{equation*} \int_0^\pi \frac{1}{\sin\left(\frac{\theta}{2}\right)^\beta + 1} \mathrm{d}\theta \end{equation*} The code is: ...
450 views

### How to fix this memory leak

I am using halirutan's code in this thread to unflatten a list. It works very well but the problem is that the Module's local function f is not deleted when the ...
176 views

### Returning a value from a Module

In the following simple example MyMod := Module[{i}, Do[ Return[1], {i, 3} ]; Print["test"] ] I expected the module to exit on ...
246 views

### Is there a function which instantly tells you whether an element is part of a list?

I have a very long list of numbers and I want to check whether there's a function (something that would look like PartOfQ[element,list]) that tells you immediately ...
174 views

### Working with Java hashmaps from Mathematica

I'm using J/Link to access data from an external Java program. The data are represented as a ConcurrentHashMap (see the official specification here). ...
132 views

### Behavior of Reduce with variables as domain

When using Reduce, I accidentally put a set of variables as the domain. To my surprise, it not only seems that Reduce expects ...
277 views

### Generate PrimePower counting function

Is there a way to generate a counting function for prime powers - i.e. to create a similar function to PrimePi, but including prime powers. The following will, of ...
206 views

### How to Flatten Array of Arrays of the highest order in a simple way?

I have a matrix of matrices, given in the following code. I want to flatten the array... ...
288 views

### Find asymptotics of Sum[2^i*Binomial[n-i-1,2*n/3-1],{i,0,n/3}]

I have an expression 2^n / Sum[ 2^i Binomial[ n - i - 1, 2n/3 - 1], { i, 0, n/3}] ...
270 views

### Find a word's linguistic pronunciation

Is there a way to get a word's linguistic pronunciation given the word as a string? I would like a function LingusticPronunciation such that, for example, ...
894 views

### Filling between parametric plots

I am new with Mathematica, but am trying to fill an area between two parametric plots ...
162 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 ...
151 views

### The Flat Attribute, Unevaluated and the Evaluation Process

To make this question easy to follow let's give some symbols a couple attributes. Attributes[f] = {Flat}; Attributes[s] = {Orderless}; Now consider the ...
314 views

### Find names of the functions defined in a file

Lets say I have a file named file.m that contains: test[] := ( Print["test"] ) How would I go about extracting the function ...
394 views

### Combining Image3D and Graphics3D

I want to combine an Image3D and a Graphics3D using Show. Here is the code: ...
269 views

### Unencoding encoded URLs in a function

Is there a built-in function for decoding encoded URLs in Mathematica? I would like to convert an encoded URL, for example ...
I have three $7\times 7$ matrices (with real entries, lots of zeros) and I'd like to check if they generate a finite group (or, more precisely, if the group they generate is of precise order). Would ...