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

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Defining a differential form in the 'Exterior Differential Calculus' package

I want to define the following differential form $$ F = H^{01} dx \wedge dt $$ However when I type F = H^01 d[x]\[Wedge]d[t] I get the error 'Recursion depth ...
2
votes
0answers
29 views

Where does a package have to be loaded?

I'm trying to solve a very tricky bug in my program. It's tricky because it seems to be not working intermittently, and mostly not working when running with large data sets. The code itself is kind of ...
4
votes
1answer
45 views

Prevent autocompletion for symbols in contexts other than “`Private`”

I've been working on a Mathematica package (call it QuantumDot) that has become huge. Right now, all the back-end helper functions are in context ...
2
votes
1answer
211 views

Is there a package to find ALL exact roots of a polynomial, if they exist?

There are polynomials with roots not expressible with radicals but expressible as trigonometric or other functions, for which Solve[] only returns ...
1
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1answer
53 views

How to label individual points in data set with use of SciDraw?

I'm trying to lable each point in data set and adjust corresponding TickLabels. Here is my code: ...
2
votes
1answer
64 views

Extended AutoCorrelation Function

Is there a function in Mathematica capable of computing the sample Extended AutoCorrelation Function (EACF)? I know that there's a package in R that does this. I was trying to avoid to having to ...
1
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0answers
34 views

Quits Kernel during evaluation of CreateTopologies

I am using Feynarts 3.9 and FeynCalc 9.0.1 with Mathematica 10. Every time I load FeynArts with FeynCalc and execute t = CreateTopologies[1, 1 -> 2]; ...
0
votes
1answer
50 views

Partial Derivative in FeynCalc

I try to compute some loop diagram in Mathematica with FeynCalc package. In the nominator, I have a huge trace and it shows the right solution but in the next step ...
11
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2answers
149 views

Second argument of BeginPackage with nested package loading

I naively thought that the second argument of BeginPackage can simply be used to ensure the loading and availability in the ...
0
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0answers
36 views

Is it possible to declare a global variable in a package? [closed]

I have to create some functions in a package to solve inequalities step-by-step. I am having problems understanding some scope issues. For example, I have this function: ...
7
votes
2answers
103 views

Why a function returns two different values if copied into a Notebook or imported with Get from a Wolfram Mathematica Package?

I have some Mathematica code that shows a behaviour I really cannot understand. The code only contains a bunch of function definitions. If I paste it in the Notebook Front End and I evaluate it, I ...
1
vote
1answer
28 views

RGtensor undefines some symbol

I am using the package RGTC for differential geometry. Firstly I define a symbol \[Sigma] = Array[PauliMatrix, {3}];, then a metric and other stuff (as required by ...
6
votes
1answer
111 views

How to use the Autoload directory?

According to the documentation, packages in $UserBaseDirectory/Autoload will load automatically on startup. I placed an .m file ...
6
votes
1answer
37 views

How to ensure that a package is always loaded on startup, even in parallel kernels?

Is there a robust way to ensure that a package is always loaded on startup, even in parallel kernels? Parallel kernels do not read Kernel/init.m.
9
votes
1answer
274 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 ...
1
vote
1answer
51 views

Derivative in my package return 0

I'm writing my package (.m) in Mathematica and when I'll call the function returns 0 instead of right output. Here's my code: Package.m ...
2
votes
1answer
269 views

Extract coefficients of differential form in package RGTC

I am using the Package RGTC to do some calculations in Supergravity. It allows to define differential forms after specifying a co-frame. I am working in with the 10d coordinates ...
1
vote
1answer
60 views

Loading FeynCalc

I am trying to install the FeynCalc package, but I cannot load it, it always gives the following errors: Loading FeynCalc from /home/gabi/.Mathematica/Applications SetDirectory::cdir: Cannot set ...
25
votes
1answer
515 views

In 10.1.0 BenchmarkPlot doesn't work?

Bug introduced in 10.1 This bug was resolved in 10.2.0, but another bug was introduced in 10.3.0 persisting through 10.3.1 and finally resolved in 10.4 In Mathematica 10.1.0 and 10.3.0 ...
13
votes
2answers
611 views

Is there any harm or benefit to Removing unneeded private symbols in packages?

One of the things I noticed is that in typical medium-to-large sized packages, a huge number of symbols are created in the myPackage`Private context. You can see a ...
1
vote
0answers
62 views

Creating package and encoding for CDF and Path for Mathematica

I am working on learning Enterprise CDF development. I developed a simple example. I am working with packages for I can encode my codes eventually. When I use Needs command and save the package in one ...
1
vote
1answer
51 views

How to list all functions in a package? [duplicate]

I got a package which can be loaded in MMA. The manual for the package does not give demonstrations of all functions/commands. Hoe can i find all the commands in the package?
11
votes
1answer
123 views

How to clean up temporary files when the kernel exits?

There are Mathematica packages that must create temporary files to function. If we are implementing such a package ourselves, how can we ensure that the temporary files will get cleaned up when the ...
1
vote
0answers
104 views

Dynamica Package for Mathematica

I have been trying to download the package Dynamica for Mathematica, included with Discrete Dynamical Systems and Difference Equations with Mathematica, by Mustafa R.S. Kulenovic and Orlando Merino. ...
9
votes
2answers
130 views

Is there a package for Bayesian Linear Regression?

Is there a Mathematica package for Bayesian linear regression? Thanks
2
votes
0answers
50 views

A question regarding shadowed symbols

The more I study, the less I understand. This is the HelloWorld package: ...
1
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0answers
41 views

Importing replacement rules from files [closed]

I have some replacement rules written in different files. I am giving an example with two such files. cat input1.m a1 -> b1 cat input2.m a2 -> b2 Now I ...
6
votes
0answers
126 views

SciDraw error loading package

I am running Ma 10.3. When I try to Get SciDraw package I get the following error: ...
3
votes
1answer
52 views

Behavior of Remove inside a Package

I have a notebook containing (in a Code cell, Initialization Group) ...
9
votes
2answers
341 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
60 views

Calling functions defined inside Manipulate in other notebook?

I'm creating a notebook with a Manipulate and I'm trying to call/use a function from another notebook (I use Get for that), in ...
6
votes
1answer
154 views

Import another Notebook as if it were a Package

Is it possible to import the contents of another (existing) notebook into the current namespace in the same way that I can with a package? I know that it would be best to use a ...
10
votes
2answers
198 views

ParallelTable behaves differently when it is run inside a package

I've been butting my head against some very weird behaviour by ParallelTable, and its interaction with packages, over the past few weeks, and making relatively ...
11
votes
1answer
228 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
83 views

Where are examples of packages that are locked?

I wanted to see some packaged whose core functions are locked, but I couldn't find any. Is anyone protecting their code with the Locked and ...
1
vote
1answer
66 views

How to extract all necessarily code for a function?

Many times when someone pastes a piece of code into SE there are missing values and symbols that the user left out. To prevent this I'm looking for a function that uproots other functions (extract ...
10
votes
2answers
265 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
451 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 ...
28
votes
0answers
453 views

What is the difference between a .wl package and a .m package?

In Mathematica 10.x, one now has both .wl Wolfram Language Packages and .m Wolfram Mathematica Packages. What's the ...
28
votes
2answers
2k views

What is a “Paclet”?

I often see references to "paclets", for example the PacletManager` context, the PacletInfo.m file in some packages and next to ...
4
votes
0answers
67 views

How to run a Mathematica package (.m) from python?

I am new to Mathematica and I need to interface with a Python code that I have. Basically, I have a Mathematica package (.m) with a bunch of complicated functions. I want to use some code from python ...
18
votes
2answers
238 views

How to find the package file that stores a certain symbol?

Is it possible to figure out in what file a certain packaged symbol lives in (assuming there is no shadowing between multiple identical symbol names)? I would like to have a function that if, given a ...
4
votes
1answer
68 views

Error retrieving information of a package function [duplicate]

Bug introduced in 10.4 I´m using a self written package with SortingUtilities when dealing with sorting algorithms. I use this package for more than a year or so. No I want to retrieve information ...
21
votes
0answers
352 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 ...
4
votes
2answers
98 views

How to put replacement rules into a package

I have a replacement rules list, but its quite long and therefore I would like to make a standalone package of it. I tried but haven't succeeded. A simple example of my approach is ...
1
vote
0answers
110 views

Mathpsfrag: failed setup at MathPSfragConfigurationTest (UnPSfrag) line (Windows 8)

I'm trying to follow the documentation on how to get mathpsfrag set up on Windows 8 (64-bit). It failed at the line ...
6
votes
2answers
94 views

How to store symbols in a package without being parsed?

I have a package file myPackage.m with the following content: BeginPackage["myPackage`"]; load[] := {a, b, c}; EndPackage[]; ...
3
votes
0answers
37 views

How to generate docs for your package? [duplicate]

I don't have Wolfram Workbench, is there any other simple way to build documentation notebooks (like the built in documentation) for your custom packages?
3
votes
0answers
67 views

Change of basis of polynomials

Suppose I have a favourite basis for polynomials in $x_1,\dotsc,x_n$, say non-symmetric Macdonald polynomials to be specific. I can easily compute these, and thus the change-of-basis matrix that takes ...
7
votes
1answer
190 views

Show StyleSheets and Palettes from custom directory in Mathematica's Menu

I'm working on a package that needs to be installed into an arbitrary, "non standard" path (i.e., not $BaseDirectory or ...