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

learn more… | top users | synonyms (1)

6
votes
2answers
444 views

Coordinate free differential forms package

I am looking for a package in Mathematica which can handle differential forms in a coordinate free manner. I am aware of several packages which do differential forms, but it seems that for all of them ...
2
votes
1answer
81 views

Mathematica 8: EdgeList and CommunityStructureAssignment shadowing problem

I'm facing some issues when trying to use the CommunityStructureAssignment function from the GraphUtilities package in Mathematica 8. I'd like to output a ...
2
votes
1answer
75 views

How to overwrite a private symbol value temporarily?

I have a package file mypackage.m with BeginPackage["Foo`Bar`"] Begin["`Private`"] tmp=2; foo=2*tmp; myprogram[foo] ... End[] EndPackage[] The file is VCS ...
9
votes
2answers
323 views

Any packages for vertex enumeration on Mathematica?

My work requires me to enumerate all vertices of a polytope defined by linear inequalities from time to time. And I'm mainly working with _Mathematica 9.0 on Mac OS X 10.9. So I wonder are there any ...
1
vote
1answer
88 views

Symbol resolution for contexts inside packages

Say I create $UserBaseDirectory/Autoload/MyPackage/init.m containing: ...
13
votes
1answer
234 views

$Path hijacked by PacletManager?

Summary: Since Mathematica version 6, the PacletManager seems to have engineered an escalating hijack of the $Path variable. Add-on packages need to have a ...
21
votes
0answers
347 views

Can code optimize code?

Are there functions, programs or packages that deal with optimizing mathematica code i.e. re-writing ineffecive or convoluted code. -This question has haunted me since I joined SE. The background for ...
6
votes
1answer
391 views

Installing R packages using RLink on Mac OS X

Is there any updates regarding installing CRAN packages via RLink in Mathematica 10 on Mac OS X? Or are we still stuck with the base R package and that's it? I was able to point to my R distribution ...
29
votes
1answer
773 views

Proving the hairy ball theorem using xAct

I would like to formally prove the hairy ball theorem in Mathematica, initially just for $S^2$, and then see about generalizing. An approach I thought about to use the xAct package to define $S^2$ ...
8
votes
1answer
149 views

How to sort the functions in a Package?

Once a Package like abc` has been installed, we can use "?abc`*" to scan all the functions defined in this Package. Now I ...
0
votes
0answers
21 views

Trouble picking up package definitions [duplicate]

I open a new notebook and type ClearAll[test]; test[x_] := x + 42; I save it as Temp.nb and also as ...
4
votes
3answers
150 views

Testing a package in Mathematica 9

I am in the process of writing a package, but my way of testing it just seems wrong and inefficient. Each time I edit the .m file, I save it, quit the kernel, call the package in a separate notebook ...
3
votes
1answer
130 views

Can a Mathematica Application be inside another Application?

The file structure of a simple MMA Application can have the form: MyApplication MyApplication.m SomeAuxiliarPack.m Kernel init.m Where ...
8
votes
2answers
391 views

How to unprotect a variable in a package

In Mathematica 9, I had the function(s). I apologize for the weak formatting. ...
1
vote
0answers
53 views

Placing package in existing Utilities` context has odd paraellelization effect

I noticed this in V.10 but possibly it was in effect in V.9. I have a package which in simplified form looks like:- ...
0
votes
1answer
595 views

A symbol occurs in more than one context:one of the definitions is shadowed

I started Mathematica 10 and run as the tutorial says: trainingset = {1 -> "A", 2 -> "A", 3.5 -> "B", 4 -> "B"}; c = Classify[trainingset] but the ...
5
votes
1answer
677 views

How to use MathPSfrag package in Mathematica 10?

I am interested to use LaTeX like labels in the plots that I prepare in Mathematica, and hence, I downloaded the MathPSfrag package from this website ...
0
votes
1answer
103 views

Developing Mathematica applications with IntelliJ IDEA [duplicate]

I create Mathematica application. For example testPrj. Now I want load this application for test. Here is a problem: how can I setup environment for loading my application with simple ...
1
vote
0answers
87 views

Needs entry point of a package from a Mathematica script

I am writing a bunch of Mathematica scripts to run command line in a HPC environment. I am organising my solution in small chunks I can test separately. So I have a directory structure like: ...
12
votes
2answers
282 views

Is there a bug in AssociatePairs?

Bug introduced in 10.0 and fixed in 10.1.0 In Version 10, the GeneralUtilities package contain some useful functions. ...
14
votes
1answer
323 views

Making a Mathematica package manager?

I'd like to get a serious discussion started about a package manager. This has come up elsewhere, and many people have implemented their own solutions. It would be nice to have a standardized way to ...
0
votes
1answer
76 views

How I can define a new function as a function argument?

I need to pass a function with t as independent variable as a function parameter and want to create a new function of the same through this provided the argument of another function. Here is my code. ...
0
votes
1answer
246 views

Getting “Null” output from package?

I have a script written to test a package as follows: ...
8
votes
1answer
117 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. ...
4
votes
0answers
128 views

Linearised Einstein equations

I need to compute the linearised Einstein Equations around a fixed metric $$g_{μν}=\text{Minkowski metric} + h_{μν}$$ which is not the flat metric. Does anyone know a Mathematica package or a ...
0
votes
0answers
298 views

Symbolic tensor product calculation

I am trying to calculate the a symbolic tensor product $\langle \nabla f\otimes f,\nabla g\otimes g\rangle ^2+(\langle \nabla f\otimes g,\nabla f\otimes g\rangle +\langle \nabla g\otimes f,\nabla ...
4
votes
1answer
308 views

CleanSlate[] not working?

...
5
votes
2answers
152 views

Listing all usage messages from a loaded package

I am writing several packages in collaboration with others. In order to help the group use my packages, I want to provide them with a simple reference of function names and usage messages. How can I ...
5
votes
1answer
141 views

Run encoded package code through .NET/Link?

An earlier question of mine, Prevent package from being opened in a notebook interface, never received an answer, but Albert Retey's comments did lead me to an entirely different solution. To secure ...
3
votes
1answer
104 views

ParallelTable Works in Regular Notebook but Gives Error When Packaged

Consider the following: ...
0
votes
0answers
53 views

Problem with loading my custom package [duplicate]

I've been having quite a bit of trouble loading a package I wrote. I've followed the suggestions on related questions on this site, as well as on Mathematica's own pages, and still nothing has worked. ...
0
votes
1answer
174 views

Loading Statistics`Library`

I need to use a number of functions from theStatistics`Library` namespace. Since that is a bit of a mouthful I would like to import it, but I get errors: ...
3
votes
2answers
140 views

ContextPath and autocompletion with subpackages

I'm developing a larger package which includes several subpackages. My problem is, that I can't introduce the symbols in the subpackages to the autocompletion by loading the main package, but by ...
5
votes
2answers
766 views

Package for representation of groups (group theory)

I wanted to know if there is a package which allows to compute representations of a group like the definition representation, adjoint and so on (for example the Pauli matrix for $SU(2)$ if I specify ...
8
votes
3answers
522 views

How to protect functions in a Mathematica Package?

I'm writing a Mathematica Package with many functions, but only two can be seen/public. I have: ...
0
votes
0answers
33 views

relative directory paths within a mathematica package/what directory does a mathematica package see as local? [duplicate]

I have a package that gets loaded in many notebooks I use, with Import[pathToLibraryDirectory<> "toolkit.m"]; This toolkit in turn loads some Excel ...
0
votes
0answers
77 views

How to hide global variables in package?

in the package I'm writing I have a list of global variables which should not be visible from a notebook. Here's an extract of the package: ...
1
vote
1answer
111 views

How to input pure function to package?

I would like to input a pure function into a custom written package, but am running into a variety of errors. The package I have created is as follows: ...
3
votes
0answers
67 views

Needs, Get and << [duplicate]

I think I read somewhere that Needs is the recommended way to import dependencies, but I usually see << used in examples. ...
0
votes
0answers
44 views

Functional derivatives in Feynman Path Integral [duplicate]

Is there any package that can simplify functional derivatives in path integrals? For instance the expression (integrate over, $x,y,z,u,v,r,s$): ...
11
votes
1answer
814 views

Where to download the MathWorld package?

I was trying to run some notebook I downloaded from MathWorld, but lots of them need << MathWorld`Curves` I tried to google it , only to find this, but ...
10
votes
2answers
263 views

The introduction for Context in Wagner's book is out of date? [duplicate]

In Section 8.1.1 (P230 of the book, P249 of the PDF) of Wagner's book, the following example is shown: x = 5; temp`x = 6; Begin["temp`"]; {x, Global`x} The ...
20
votes
4answers
440 views

Result about Context is inconsistent with the description of “Power Programming with Mathematica”

x = 5; temp`x = 6; Begin["temp`"] {x, Global`x, temp`x} The result in my Mathematica session is {5,5,6}, but it's ...
15
votes
2answers
203 views

How to find out what files are touched when Get is called?

Is there a way to capture all package files touched whenever a package is called via Get, Needs, ...
0
votes
2answers
426 views

Is there any Robotic Package in Mathematica?

Is there any Package in Mathematica that deals with Robotics and their application?
5
votes
1answer
108 views

Error When Creating Package

I am trying to make my own package based on the code from this Question. The following is the code from that page: ...
1
vote
0answers
60 views

Changing package content in batch

I would like to know if it's safe to do batch operations in a list of package files, applying a function like this: ...
1
vote
0answers
30 views

How to pass rules to packages [duplicate]

EDIT: After helpful comment from @Mr.Wizard I added the working implementation below for future reference. I wrote a module that does something with variables provided in form of a rule. It works ...
3
votes
2answers
312 views

Problem with Creating Mathematica Package

Currently I am working on creating the package on Mathematica version 9 on Windows 7. Here is my code as follows: ...
3
votes
1answer
172 views

Mathematica Library

I created a Mathematica packagr and then I used the Needs function to add the library to my .nb file, but when use a function in my .nb file and the function is built in my library it comes up with ...