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

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0
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0answers
77 views

Feynarts not working

Update: I use FeynArts-3.7 with FeynCalc 8.2.0. When I enter **<<HighEnergyPhysicsFeynCalc...
24
votes
0answers
385 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 ...
2
votes
1answer
92 views

Why must I specify the Global context for a symbol in a private package?

I have written two versions of the function below in a package. When I load the package and call the function, Why does the first version where the variable s has no explicit Context return the long ...
1
vote
0answers
65 views

Installing feynarts diag [closed]

I'm trying to install this package: http://www.feynarts.de/diag/, I followed the instruction entering ./configure make make install but when I type ...
0
votes
1answer
78 views

Loading Level Scheme error [duplicate]

I am new to Mathematica. When I am using: Get["LevelScheme`"]; it gives the following error: Get::noopen: "-- Message text not found -- ...
4
votes
0answers
66 views

How to write Coordinate Chart in Xcoba in index form?

I am using xCoba for manipulating tensors. I do the usual, defining my metric, manifold, chart etc. ...
3
votes
0answers
89 views

Schwarz-Christoffel toolbox [closed]

Is there a toolbox for working with Schwarz-Christoffel transformations in Mathematica? More generally, is there a toolbox for visualizing conformal mappings in the complex plane? There are a lot of ...
0
votes
1answer
55 views

Error message Graphics`Colors`

I am having trouble running this code: ...
1
vote
0answers
58 views

Fail to Create a package [closed]

This is rather basic. In an empty notebook I type in a single cell ...
6
votes
1answer
94 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 ...
5
votes
2answers
240 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: ...
1
vote
0answers
52 views

Running a script that needs a package

I am running a resource extensive notebook, and so I am trying to break it down into a .m file so that I can run it quicker and without using the mathematica interface. The problem is that my notebook ...
2
votes
1answer
74 views

What is the Java converter?

I notice that there is a directory: C:\Program Files\Wolfram Research\Mathematica\10.2\SystemFiles\Converters\Java. What is this? I could not find any documentation ...
4
votes
1answer
169 views

EquationTrekker using Mathematica 10.2

I wonder whether the problem that arise with the following code is specific to my machine, as it seem to work with the documentation example. ...
1
vote
1answer
54 views

No names when loading package [closed]

I want to use mu own package. This is the procedure I take: 1) In Mathematica notebook I put the following code taken from code ...
4
votes
1answer
116 views

Change Notebook's Default Context

In my workflow, when testing/developing packages, It's an common situation to test internal packages functions that has been already loaded with the package, so they are in the ...
4
votes
1answer
118 views

How can I temporarily suspend the Combinatorica package?

Sometimes after I load the Combinatorica package by entering Needs["Combinatorica`"], I need to use Mathematica for something like: ...
4
votes
1answer
106 views

User defined packages don't load with $\mathtt{Needs}$ or $\mathtt{Get}$

As an introduction to packages in Mathematica I'm following this short guide by Leonid Shifrin, and tried using the sample package provided in that answer. However, both ...
1
vote
1answer
48 views

How to reference StringExpression named parts from a package without full Context path?

I have a long StringExpression in a package returned by a function. There are some named parts in the expression that I would like to reference when I use the ...
1
vote
1answer
102 views
0
votes
1answer
47 views

Transforming the x-axis of a figure created with customticks package [duplicate]

I have some data which i inter alia define and invert ...
3
votes
1answer
69 views

How to use special characters in .m file?

I ran into a strange problem with a function that I want to include in a package file (.m): Cleanup[data_] := data /. (\[Placeholder] -> Missing[]) When I ...
5
votes
2answers
95 views

Strange behaviour of order of execution or bug?

In[1] and In[3] are identical but the output is different.
6
votes
1answer
204 views

Installing packages on “Mathematica Online”

How can I install packages in Mathematica Online? In particular, how can I install the xAct package?
3
votes
0answers
36 views

Context is not clearable and does not reload [closed]

I'm just going crazy with Mathematica Contexts as they absolute do not work as intended. Simple Example: Begin["TEST`"] Hello[s_]:=s Bye[s_]:=s End[] Now using ...
6
votes
0answers
75 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 ...
2
votes
1answer
188 views

Saving file as .m causes it to save as comments

I am attempting to create a Package and so am saving a notebook with the code from Mathematica's example ...
1
vote
1answer
63 views

Differentiation inside package

I am trying to put all my functions in a single package and some of them do not work because of differentiation. Suppose I have the following package ...
7
votes
2answers
139 views

Inserting symbols' definitions during read time of the code

Let's say we've got a package: ...
9
votes
2answers
125 views

Coding practice Notebooks vs. Packages: ClearAll?

I have a pretty robust workflow for developing in Notebooks. One element of that workflow is the reflexive habit of saying ClearAll just before a definition so ...
4
votes
2answers
149 views

Use of Ito's lemma in ItosLemma.m (or any other method in Mathematica)

This is a follow-up question on this question: Use of Ito's lemma in ItoProcess My problem is to find some method how to use Ito's lemma in Mathematica. As an example: How can I apply Ito's ...
1
vote
0answers
51 views

Sum of zeros in finite Galois field

In the following code: << FiniteFields` GF[2][{0}] + GF[2][{0}] == GF[2][{0}] GF[2][{0}] + GF[2][{0}] + GF[2][{0}] == GF[2][{0}] Why does the second line ...
4
votes
1answer
137 views

What is the difference between Update, Run Package, Save and Install for packages?

I am building a package, using Mathematica 10.0.2.0. I notice in the displayed window for the package there are buttons labeled Update and Run Package; on the File menu, there is an item for Save; ...
11
votes
1answer
223 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 ...
3
votes
0answers
38 views

Cross referencing symbols in different packages [duplicate]

I have problems with name space shadowing which I do not know how to resolve. I have two packages which depend on each other. Here is example of two files fooPackage.m: ...
4
votes
1answer
153 views

Can I do constraint programming in Mathematica? [closed]

I would like to know if there is a way to do constraint programming in Mathematica? I think there are no built-in functions, but maybe some of you know some additional packages addressed to the ...
0
votes
0answers
85 views

Setting UserBaseDirectory for custom packages

Is there any reason to set $UserBaseDirectory to be anything other than the default? On my mac its set as ...
2
votes
1answer
152 views

Needs cannot open a package

I have a package and notebook in the same directory, but Needs is throwing an error "Cannot open EField.m". I have tried several variations of this. I am ...
0
votes
0answers
22 views

How to protect variables or functions only for outside? [duplicate]

I have some private variables within my package. Begin['Test`']; Begin[`Private`]; var = 0; f[x_]:=(var = x); End[]; EndPackage[]; When I execute some functions ...
0
votes
0answers
29 views

How can I avoid to define public all methods in a package [duplicate]

If I have to code a Package and these package use a lot of functions and variables. In spite of, using in every call of function or variable with namePackage ...
5
votes
1answer
86 views

Shadowing of optional function arguments?

I am trying to define two different packages that process some information in a different way. These packages have functions into them with optional arguments. The names of the optional arguments ...
5
votes
1answer
102 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: ...
7
votes
1answer
289 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 ...
0
votes
1answer
118 views

Solve seems broken after I installed the package Tomatlab.m

After I downloaded the Mathematica package ToMatlab.m, Solve does not work as before: ...
6
votes
0answers
142 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 ...
2
votes
1answer
60 views

Missing definition of some parts of function?

I have: BeginPackage["Test1`"]; ClearAll[f]; f::usage = ""; Begin["`Private`"]; f[x_AA]:= 1; f[x_BB]:= 2; End[]; EndPackage[]; When later, on a notebook, after ...
0
votes
0answers
30 views

How to use PageBreakPalette?

I would like to use PageBreakPallete from http://library.wolfram.com/infocenter/TechNotes/4094/ I did ...
10
votes
1answer
186 views

What's the goal of the Macros` package?

I see in the Mathematica install a Macros` package. In windows the paths is for example: ...
4
votes
0answers
46 views

Odd behavior of FindFile

Running FindFile gives some odd results on my machine: FindFile["HTTPClient`"] Result: ...
1
vote
0answers
94 views

Calling a custom function in slave kernel process connected through mathlink [closed]

I am performing a small experiment to check if we can call/execute a custom package function in slave kernel launched from master using mathLink. I have created a dummy application called ...