Questions on Mathematica packages, which are self-contained bundles of Mathematica code that add new functions and other functionality.

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3
votes
2answers
206 views

How can Private functions be made completely opaque?

I want to make Private functions. From my point of view, being a Private function means that the function is not accessible from other packages. For that purpose I wrote the following code. But my ...
6
votes
0answers
257 views

Computing Ehrhart's polynomial for a convex polytope

Is there a Mathematica implementation for computing the Ehrhart polynomial of a convex polytope which is specified either by its vertices or by a set of inequalities? I am interested in knowing this ...
8
votes
1answer
3k views

How do I create and use Mathematica packages?

I have created a package following the tutorial in Mathematica 8 virtual book. However this tutorial is quite, let's call it, "short". I have a TestPackage.m file: ...
14
votes
1answer
512 views

Creating a R DataFrame like construct in Mathematica

I kept getting my data mixed up so I decided to see if I could construct a package adding a R DataFrame like construct to Mathematica. I managed to cobble something together that sort of works, but ...
4
votes
1answer
801 views

FeynCalc “May shadow or be shadowed by other definitions”

So I've downloaded the latest FeynCalc from this site and put the extracted folder in user/me/library/Mathematica/application, but when I write the command ...
2
votes
1answer
79 views

Can I place a link to a package file (.m) in my Applications folder

I am developing a package and would like to be able to test it without having to copy the package file to my $UserBaseDirectory/Applications folder for each change, ...
3
votes
3answers
113 views

Can I put subscripted parameter values into a package?

When defining packages, can I put parameter values alone or along with functions into a package in subscripted form? ...
6
votes
1answer
207 views

On Reverting Code that Mma Switches to Raw Input Form Back to Standard Form

I experienced a similar issue to what is described in this post while editing formatted usage messages (that contained italics) in the declaration section of a package that I'm developing in the ...
6
votes
1answer
155 views

Could a package be composed of references?

Could a package be composed of references (e.g. usage messages)? Do the code for an induvidual function implemented in a package has to be physically in that package file where it is referenced (i.e. ...
8
votes
1answer
338 views

Looking for a package regarding Schur Polynomials and Kostka numbers

I'm currently looking for any Mathematica package that involves Schur polynomials and/or Kostka numbers. More generally, I'd be happy with anything that expands on symmetric polynomials in general. ...
9
votes
2answers
296 views

Problem with PlayerPro recognizing a proprietary package

This question follows on from my earlier question Can Wolfram's Player Pro Use Proprietary Packages. That question appeared to have established that, yes, PlayerPro can use proprietary packages. ...
12
votes
1answer
277 views

Can Wolfram's Player Pro use proprietary packages?

A few entwined/related questions: Can Wolfram's Player Pro use proprietary packages? I have searched Wolfram's site pages on Player Pro and don't see anything that provides a clear answer to this ...
8
votes
1answer
642 views

How can I get Mathematica to recognize the documentation for a newly installed package?

To install a new package on one's machine, one first downloads and unpacks the package into the $BaseDirectory/Applications directory. The tutorial Installing ...
3
votes
0answers
174 views

Does Mathematica support collaborative filtering and recommendation systems?

Does Mathematica support collaborative filtering and recommendation systems such as can be found in Apache Mahout? I could not find any resources about advanced data mining techniques, beyond ...
8
votes
4answers
911 views

Numerical integration of a numeric data available as a nested list

I have some numerical data in the form of a list with the following structure: {...{x,y,z},...} defining a surface z=z(x,y) in a 3D space (x,y,z). The data came from a simulation, and I am ...
3
votes
1answer
162 views

Creation of name.m Package

I have a structure of folders. Main Directory( has init.m, and name.m files) Subfolders under Main directory library ( has the packages, pacakge1.m, package2.m) Data (some xcel sheets and other ...
11
votes
1answer
897 views

Load a Mathematica Package via .Net code

I'm using C# to pass data to Mathematica and return graphs: ...
5
votes
1answer
193 views

Does new MMA9 Time Series support obsolete the old TimeSeries Package?

MMA9 includes a fair number of functions and symbols that seem to overlap with the old TimeSeries package. The new features are documented here and the old material is documented here. Some of the ...
8
votes
3answers
195 views

How to define a package without adding it to $ContextPath

How can you introduce a package, so that it is listed in $Packages, without adding it to $ContextPath? Note that this question ...
2
votes
2answers
414 views

Packages problems on version 9 under OS X

Using Version 9 on OS X, I've run into some problems with creating packages and accessing them. I've done the following: wrote all the function definitions in a notebook and tested that they all ...
9
votes
2answers
1k views

Game theory packages

Is there any game theory package around? I mean supporting functions which take a game in matrix form and tell you all about nash equilibra, best strategies, ect
5
votes
2answers
134 views

Does the operating system matter when using Encode[]?

I have a package I want to distribute. I wrote the package in Version 9 under a Mac OS X operating system. I want to Encode[] the package. The end user will ...
1
vote
1answer
344 views

Complex Region using Presentations Package

Just purchased the Presentations package. First sketched this region: ...
14
votes
1answer
1k views

Installing CRAN Packages

When I install RLink: Needs["RLink`"] InstallR[] then evaluate the command ...
0
votes
1answer
129 views

Images in package Not visible

I want to make a package where some variables are initialized to images. but when i save the package, all images are in the form of ImageData that are very long. ...
7
votes
1answer
203 views

What is the purpose of Dump contexts?

Motivation I've been trolling through some internal code, trying to glean design practices WRI developers employ when extending Mathematica using top-level code. During my ...
1
vote
1answer
186 views

How do I insert a piece of code in Mathematica?

In Fortran, I can use include "file" to insert a piece of code. Is there a similar method in Mathematica?
8
votes
1answer
1k views

FeynRules vs FeynCalc (or anything else?)

I was looking for a Mathematica package that can take Lagrangians and calculate Feynman diagrams for any given n-point function. (..like if a software can draw and calculate arbitrary loop corrections ...
11
votes
1answer
507 views

user defined functions, how to save them for future use?

I need certain user defined functions over and over. I was wondering how can I define and where and how to save them such that each time I start a notebook, these functions are available and need not ...
5
votes
1answer
146 views

Reloading package after accidental Remove[] of symbol

I was using Needs["PlotLegends"] By chance I removed ShowLegend by Remove[ShowLegend] How do ...
22
votes
3answers
6k views

Differential geometry add-ons for Mathematica

I need a differential geometry tool for Mathematica. Is there any add-on? Unfortunately, Mathematica does not include such functionality or I can not find it.
4
votes
0answers
131 views

Why does $Path change when I examine it in new cell after I just changed it?

This is really driving me crazy. In one cell, I change $Path by removing from it un-needed paths that I do not want for the duration of a computation I will be ...
2
votes
1answer
170 views

How to find full names of all packages already on the $Path?

I'll show one specific example of what I am trying to do, I think it will explain things. On the default $Path there exist (in version 8) the following 4 packages ...
5
votes
1answer
1k views

FeynArts not working properly

So I have installed all FeynArts folders (from 3.5 to 3.7) with FeynCalc 8.0.1., and none of it is working properly :\ First I load the path to specific FeynArts package (3.5 for instance), then, by: ...
4
votes
2answers
159 views

Function behaves differently inside a package than outside

I defined a function TestHead in a notebook as follows: TestHead[z___] := TrueQ[{z} == Cases[{z}, x_ /; Head[x] === avar]] to ...
10
votes
1answer
785 views

How to work with Application Project files in Wolfram Workbench?

I have figured out that in a basic project I simply have to call the main package (m file) from the notebook using <<nameofmfile` and then the notebook ...
25
votes
2answers
401 views

What's the difference between these two ways of specifying dependent packages?

What's the difference between these two ways of specifying dependent packages? Method 1: BeginPackage["foo`bar`", {"xxx`", "yyy`"}] Method 2: ...
26
votes
1answer
486 views

Creating a package of special plots

In my work as a math teacher, I create lots of graphs to illustrate ideas. I have lots of math books and will often try to duplicate a particular style of graph. Below, one very simple example, ...
3
votes
0answers
84 views

What's reliable way of finding declared but undefined functions/symbols in several interrelated packages?

I have many packages some of which use some of others. I have many symbols defined in them. Is there a reliable way of finding declared/exported but undefined functions/symbols in several ...
19
votes
2answers
516 views

When to use Get vs Needs

When should I use << vs Needs? I just always use Needs as ...
3
votes
1answer
96 views

CycleIndex in v8

If I type ?CycleIndex I get Information::notfound: Symbol CycleIndex not found. >> If I then type ...
11
votes
2answers
204 views

Globally loading packages while using a CellGroup as the default context

I have a notebook I wish to set up where the sections are conceptually related to each other. But, I wish to isolate them from each other programmatically, so that they do not interfere with one ...
0
votes
3answers
936 views

Examples of (well coded) packages using custom notation

Which packages do you know of, that have the following properties: using custom notation (for input AND output would be preferable) well coded & designed (from your subjective perspective!)
3
votes
0answers
84 views

Parsing subscripts when loading package files via the FrontEnd

I am working on some code, and have found it easier to use a Mathematica package because it is easier to run via command-line (lightweight) it allows for easier source versioning (Git), and it ...
5
votes
2answers
170 views

Loading custom notation on startup without showing the Notation palette

I was creating some custom notations using the Notation package and it works fine. I put it in my default personal package, and it loads fine on Mathematica's startup. To make it complete I need just ...
33
votes
0answers
3k views

Custom package development: Basic steps [duplicate]

Every once in a while, I write a generic function that I use quite often for months to come. However, package development in Mathematica is not very well documented from what I can tell, and I was not ...
5
votes
0answers
119 views

Package for voting systems

Is there a mathematica package that implements common voting systems (like IRV where voters will rank the candidates)?
1
vote
1answer
237 views

Not able to load the package in CDF

I am facing a problem in loading the package. My code is working in Mathematica but after deploying it into CDF, it is unable to ...
6
votes
2answers
168 views

Is Package development (via InitializationCells) compatible with creating new Notations (via MakeExpressions)?

Can new (lower-level) notations be readily used within package code? There are a few notational additions that might improve my code base but I'm not sure if these will end up being more trouble than ...
19
votes
2answers
1k views

Mathematica vs. $\LaTeX$? Replacement for Legacy “Authoring Tools” package?

I'd rather write in Mathematica than in $\LaTeX$, but it's not really practical, especially for big works (> 100 pages) without good tooling. I'm just starting to look into what's available for big ...