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

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6
votes
2answers
185 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
172 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
195 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
247 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
381 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
112 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
267 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
122 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
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: ...
5
votes
1answer
157 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 ...
5
votes
1answer
153 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
2answers
176 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
2answers
138 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
382 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
142 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
1answer
966 views

Time-frequency analysis beyond wavelets

What possibilities are there for time-frequency analysis in Mathematica beyond wavelet decomposition? I could not even find a simple STFT.
5
votes
1answer
446 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 ...
5
votes
1answer
99 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: ...
5
votes
2answers
62 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 ...
5
votes
2answers
247 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. ...
5
votes
1answer
200 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 ...
5
votes
2answers
2k 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 ...
5
votes
1answer
239 views

VariationalD giving the wrong solution?

EDIT: As pointed out in the comments, VariationalD gives a variational derivative (which I don't want), not a derivative with respect to a function (i.e. ...
5
votes
2answers
137 views

Package Loading: How to get rid of Needs::nocont?

I am trying to create a documentated application inside FileNameJoin[{$UserBaseDirectory, "Applications"}] I obviously dont fully understand the concept of the ...
5
votes
0answers
75 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 ...
4
votes
2answers
297 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 ...
4
votes
3answers
126 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 ...
4
votes
2answers
106 views

Can I view a package as a regular notebook?

How can I open a package as a normal notebook, i.e. without the toolbars and formatting of the built-in .m file interface.
4
votes
1answer
866 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 ...
4
votes
2answers
284 views

How to use SuperLog by loading SMLE.m

I am researching a software reliability model that has many parameters that need to be estimated. I want to use a maximum likelihood estimator (MLE) to estimate those parameters. After I searched ...
4
votes
2answers
393 views

Function saved in a package won't load in the deployed CDF on startup

I wrote a function and saved it in a package. I saved a copy of the package in the Autoload folder too. I deployed a CDF that contains this function. When I open the CDF later, this function (which ...
4
votes
2answers
163 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 ...
4
votes
2answers
63 views

Annotation specifier like :Author: and sectioning like ::Section:: in package code

In packages, there is a special way to make basic formatting and annotation within normal comments. Here is another question related to annotation. Package file headers usually contain information ...
4
votes
1answer
239 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 ...
4
votes
2answers
213 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 ...
4
votes
1answer
112 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 ...
4
votes
1answer
186 views

Namespaces in Mathematica

In many programming languages one can define a namespace with namespace abc How can the similar be done in Mathematica? The ...
4
votes
2answers
125 views

how to load packages on local computer when using remote kernels

I usually works remotely using kernels on our hpc and front-end on my local laptop. This enable me do relatively large computation within my laptop(IP address of my laptop may change frequently). But ...
4
votes
1answer
191 views

How to transform a DumpSaved .mx file to .m file conveniently?

I have many DumpSave-d .mx files under a directory. They are generated under Linux. The .mx ...
4
votes
0answers
41 views

Wrong autogenerated package from notebook containing #key and Part as subscript

Bug introduced in 10.0.0 and persisting through 10.1.0 or later Mathematica v10.1.0, under Windows 8.1 x64 Mathematica v10.0.2, under Windows 1) Define a function in an initialization cell: ...
4
votes
0answers
63 views

Variable not assigned to correct Context [duplicate]

I am trying to understand Mathematica's Context, but I do not understand why the short name of the variable defined in the temp` context (x) returns the Global definition. I am following the section ...
4
votes
0answers
181 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 ...
4
votes
0answers
132 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 ...
3
votes
1answer
211 views

How to load a custom mathematica package from a .m file?

I would like to load the package groebner50.m which is available through the website of David A. Cox. It's supposed to contain some useful tools for commutative algebra, but I haven't been able to get ...
3
votes
2answers
211 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
2answers
210 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 ...
3
votes
1answer
204 views

How to determine all possible functions/symbols that can be accessed from a Mathematica installation?

I made a list of all symbols and functions that can be accessed from Mathematica and any included package that comes with it after standard installation. I thought I managed to get a list of ...
3
votes
1answer
317 views

Using header files

I have a piece of code I keep using in new notebooks over and over again and I have to copy and paste it in each new notebook. Problem arises: if I update the code in one file I have to manually do ...
3
votes
1answer
74 views

Using packages with symbols that have the same name

Let us suppose we have two packages: A and B. ...
3
votes
1answer
66 views

Package and imbricated compiled functions

I would like to build up a Mathematica package Pck which contains compiled functions. However when loading this library I obtain an error. When reduced to a minimal ...