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

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7
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1answer
2k views

How to execute a function in the package from java?

I use Wolfram Workbench 2.0. I can get a KernelLink object and evaluate some simple expressions like "2+2". But I don't know how to export a package and execute ...
7
votes
2answers
374 views

Summa package problem

I need to use the features of the Summa package but it doesn't work in Mathematica 9. It gives the error Cannot open Utilities`FilterOptions` My question is: ...
7
votes
2answers
135 views

Inserting symbols' definitions during read time of the code

Let's say we've got a package: ...
7
votes
1answer
199 views

Importing parts of Packages

Some programming languages offer the possibility of importing a single function from a library, as in from x import y I'm looking to import only one function ...
7
votes
1answer
55 views

Non-commutative algebra (NCAlgebra): How to properly SetCommutingOperators

I am starting to work with non-commutative algebra in Mathematica and had a look at the NCAlgebra package. I installed it and can use its functions. However, what I am struggling with is the ...
7
votes
2answers
682 views

Perturbation theory in general relativity using xAct

I'm trying to use the xAct Mathematica package for manipulating tensors, and I'd like to plug in a metric into the perturbation equations to first order in general relativity, and have everything ...
7
votes
1answer
84 views

Recommendations about modifying usage of built-in symbols

In my package, I use some of the built-in Mathematica symbols in non-canonical ways. Right now, I use them as Options or ...
6
votes
3answers
455 views

How to properly remove the CUDAResources paclet?

I have Mathematica 8.0.0.0 installed on my Mac, and while I tried to see what it could do with CUDA, it downloaded a large directory (~1 GB) named ...
6
votes
1answer
113 views

What is the reason that $zz^*$ is not written as $ |z|^2$ sometimes?

For a general (complex) number $z$ I sometimes get terms that explicitly writes (for instance) $$2zz^*+|z|^2. $$ I should add that these expressions come from long calculations involving packages ...
6
votes
1answer
2k 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: ...
6
votes
2answers
2k views

Function to compute the probability of exactly one event occurring out of N independent events

Is there a built in function (or a function in one of the standard packages) that allows you to compute the probability of exactly one event occurring out of some known set of probabilities for N ...
6
votes
1answer
227 views

How to use Get on a folder

In the documentation for Get it says: If the file found by <<name is a directory, the Wolfram Language will try to ...
6
votes
1answer
119 views

How to suppress automatically generated header in packages?

At the top of the .m file which is automatically generated from initialization cells in a notebook there appears a header: ...
6
votes
1answer
258 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
157 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. ...
6
votes
1answer
352 views

How get Singular.m package to interact with Singular itself?

I've installed the package Singular.m by Kauers and Levandovskyy from http://www.risc.uni-linz.ac.at/research/combinat/software/Singular/ as well as the Singular ...
6
votes
1answer
83 views

How to delay the definition of a function from the time of package initialization to when it is first called

I am writing a package where a couple defined functions take a very long time define at initialization time (because they are large CompiledFunctions). However ...
6
votes
1answer
125 views

How can I include functions from a package into a CDF file?

I am building an application which I would like to deploy as a CDF file, and I am struggling to make the CDF exports work correctly with functions pulled from a .m package file. What are good/best ...
6
votes
1answer
150 views

Loading Packages with Parameters

I have some packages that uses database connections inside it, let's call it ConnPackage. The connection IP is a public package variable, and has a default value: ...
6
votes
1answer
168 views

Installing packages on “Mathematica Online”

How can I install packages in Mathematica Online? In particular, how can I install the xAct package?
6
votes
2answers
75 views

SetSystemOptions in a package

I'm looking to update a large package (with subpackage files called in the same context) to be compatible with version 10. A lot of the functionality surrounds plotting, particularly some custom ...
6
votes
2answers
343 views

Package relative file path specification

I have some packages inside a folder (named Packs) that is in the same file level of some executed package. ...
6
votes
2answers
397 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 ...
6
votes
2answers
3k views

Command line execution of Mathematica notebooks and conversion to .m

Sometimes one may want to execute a notebook via the command line (for example to run it remotely). As far as I know it's not possible to run notebooks directly, but ...
6
votes
2answers
203 views

Load Mathematica packages from the network

Is it possible to load packages (.m) directly from the network (http, https) without installing it locally?
6
votes
2answers
193 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 ...
6
votes
1answer
351 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 ...
6
votes
1answer
204 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 ...
6
votes
2answers
274 views

How do I correctly embed VerificationTests in my packages?

I like to write my tests before I code and write them inline when developing a package, and when loading a package those VerificationTests should run and the load should fail and print a report if ...
6
votes
1answer
465 views

Support for Multidimensional Scaling (MDS)?

Does mathematica support MDS? Or, are there any libraries that support it? Basically, I have points and a distance function defined between them, and I want to plot them in 2D space, trying to ...
6
votes
0answers
66 views

Mathematica package for explicit matrix representations of group generators?

While there are several packages that are capable of working with weights and roots (for example LieArt), I couldn't find any package that spits out explicit matrices for the generators, for example ...
6
votes
0answers
126 views

Where is f2mma.zip, Fortran to Mathematica converter?

I want to convert the SOFA libraries to Mathematica, and found out about f2mma, a Fortran to Mathematica converter. Google points to many papers about f2mma, but the only link to the software ...
6
votes
0answers
89 views

Does one need to be careful about loading multiple (many) contexts or packages in the same session?

I have a number of large pieces of precomputed data which I am considering putting into individual packages in order to load them (via DeclarePackage) and unload ...
6
votes
0answers
127 views

Automatization of SyntaxInformation and argx?

Does anybody have a good way to automate the setting of SyntaxInformation for any custom function? I have a ton of functions for which I want to set SyntaxInformation, and doing it by hand seems a ...
6
votes
0answers
320 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 ...
6
votes
0answers
134 views

Package for voting systems

Is there a mathematica package that implements common voting systems (like IRV where voters will rank the candidates)?
5
votes
1answer
265 views

Possible Bug of loading Package @ Mathematica 10.1

When I open mathematica, there will pop-up some messages where << package` is in the following file ...
5
votes
2answers
401 views

Simplifying the trace of a matrix expression

I have a long expression involving matrices that I derived using the NCAlgebra package. Can I simplify the trace of the expression? For example, say b is a scalar ...
5
votes
2answers
220 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 ...
5
votes
1answer
118 views

Working example for the built-in SavitzkyGolayMatrix for doing polynominal smoothing

Have been using various packages SavitskyGolay.m for Savitsky-Golay polynomial smoothing but just noticed the built-in matrix kernel. I am looking for an example ...
5
votes
1answer
155 views

How to write polynomial expression as commutator form?

I want to write some polynomial expressions as commutator form. For example : $$ \frac{\text{BA}}{2}-\frac{\text{AB}}{2} = -\frac{1}{2}[A,B] $$ or $$ ...
5
votes
1answer
199 views

Reloading package after accidental Remove[] of symbol

I was using Needs["PlotLegends"] By chance I removed ShowLegend by Remove[ShowLegend] How do ...
5
votes
3answers
73 views

How can I pass replacement rules to a package-defined function and have it understand their context?

I am writing a package where I would like to be able to pass replacement rules to a function inside the package and have the function manipulate its symbols using those replacement rules. However, I'm ...
5
votes
2answers
150 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
471 views

How to make a filled Ellipsoid?

I want to make a filled Ellipsoid, but it seems Filling options doesn't work in Graphics ...
5
votes
2answers
153 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 ...
5
votes
2answers
160 views

Evaluate notebook from other notebook

I have a notebook ("notebook 1") which in the beginning sets some parameters, does something depending on their value and saves the result to a file, say: ...
5
votes
1answer
93 views

Naming conflicts with Dummy variables in several packages conflicts

I'm using several packages in a notebook. In each packages there is functions defined with dummy variables. When I load the several packages in my session, i've got a warning message: ...
5
votes
1answer
80 views

Same name for functions in package and Global context

I am using a package that was written for Mathematica 3 while I am now working on Mathematica 8. I have issues with 2 functions in particular, Order and GraphComplement. They are a part of this ...
5
votes
1answer
642 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 ...