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

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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 ...
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1answer
87 views

FeynCalc: Why do LeviCivita remain after Calc/Contract?

In (perhaps even in older versions) version FeynCalc 9.0.0 sometimes, on the amplitude level, one gets expressions of the form $\epsilon^{\alpha ...
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1answer
56 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 ...
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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 ...
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1answer
105 views
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1answer
61 views

Package Function Confusion

I am a freshman working with Mathematica. I have written a package with a function like this: ...
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1answer
172 views

Load a package and use it's functionality inside C#

I am trying to make a windows C# form which uses some functions that I wrote inside Mathematica. Suppose that we have the following package: ...
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1answer
66 views

Simplifying a product with indices by implementing a rule

I want to simplify a product of two operators including indices. Let's say my operators are $$ \mathcal{O}^{\mu \nu, \alpha \beta} = -p^2 \left( \eta^{\mu \alpha}\eta^{\nu \beta} + \eta^{\mu \beta} ...
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1answer
66 views

Package function not evaluating

I have a short package like this: ...
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1answer
312 views

How can I call the R-programming packages in my Mathematica?

I am trying to call the R-programming package called highfrequency in my Mathematica so that I can use its function rCov. I ...
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1answer
106 views

Is there a TwoColoring function of Graph object?

The following code shows the GraphUtilities package makes a problem for Graph object. I want to use a ...
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1answer
97 views

Why is a function I defined in a package not visible when I load the package? [duplicate]

I made a package containing some functions in the following way. ...
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1answer
148 views

Images in package Not visible

I want to make a package where some variables are initialized to images. but when i save the package, all images are in the form of ImageData that are very long. ...
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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]; ...
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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 ...
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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. ...
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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 ...
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0answers
87 views

Trace of gamma matrices using FeynCalc

I am using FeynCalc package in Mathematica to evaluate some complicated Dirac Traces, but as you know the default convention for the anticommutator of two Gamma matrices in this package is ...
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0answers
39 views

Issues with overloading Order [duplicate]

I am pretty new to Mathematica(about 90 minutes) and I have encountered a problem. I have searched the web pretty comprehensively and came up with nothing. For a computing problem that I am solving, ...
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0answers
67 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 ...
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0answers
58 views

Fail to Create a package [closed]

This is rather basic. In an empty notebook I type in a single cell ...
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0answers
55 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 ...
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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 ...
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0answers
96 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 ...
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0answers
62 views

How to implement time dependence in the DoFun package?

DoFun is a very usefull mathematica package that helps to write Dyson-Schwinger and FRG flow equations when these are to complex to write down by hand. You can download it here and read it's manual ...
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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 ...
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0answers
55 views

Mysterious message posted when I move the cursor in a custom function

I wrote a function called CPlot for complex plotting which is supposed to act a lot like Plot in its input format, but ever ...
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0answers
82 views

Autoloading attempting to follow Roman Maeder's master package instructions

I am trying to use the Master Packages discussion from "Programming in Mathematica" by Roman Maeder. I have a directory: D:\at_work\mathematica\JacksPackages ...
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1answer
67 views

Using underscore in directory names and loading packages

Using an underscore with the SetDirectory command works fine. SetDirectory["D:\\at_work\\mathematica\\programming_maeder"] Now I can load a package using ...
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0answers
53 views

Where can I find documentation for the File->New->Package window?

I'm using 10.0.0 on OS X. When I go File->New->Package a window similar to a notebook appears, but with different coloration and a row of buttons on the top like 'Update' and 'Run Package'. I'm not ...
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0answers
109 views

EquationTrekker PropertyValue errors

In Mathematica 10.0.2, the basic example for EquationTrekker in the documentation is: ...
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0answers
122 views

A Stupid Question Maybe - EigenNDSolve

I would like to find out how accurate and how useful the chebyshev (collocation?) method is in finding many eigenvalues to a second-order ODE in one go. Specifically, I used the Mathematica package ...
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0answers
54 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:- ...
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0answers
88 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: ...
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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: ...
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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 ...
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0answers
786 views

Problem enabling PlotLegends in Mathematica 8.0

I am trying to make a legend for a simple plot in Mathematica 8, but does not seem to recognise the command PlotLegends. I declared beforehand ...
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0answers
144 views

CDF with numerous independent manipulate objects

I have been working on my senior project that involves the creation of a CDF with multiple Manipulateexpressions. I need to protect my code so I have been trying to ...
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1answer
182 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: ...
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2answers
442 views

Is there any Robotic Package in Mathematica?

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

How can a package use a variable of a notebook?

I have defined a function g in a package. It is: g[x_]:=x/.t->3 Now I work in notebook with the command: ...
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2answers
2k views

Problem in downloading “ToMatLab” package [duplicate]

Iam trying to download "ToMatLab" Package from http://library.wolfram.com/infocenter/MathSource/577/ but it is showing me an error message by showing a big question mark and "File could not be ...
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1answer
288 views

updating code from 5.0 to 9.0

I am updating a code from a 5.0 version to a 9.0 version. I am speaking about "Advanced visual quantum mechanics". There is a package with this code: ` ...
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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 ...
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1answer
55 views

Error message Graphics`Colors`

I am having trouble running this code: ...
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1answer
74 views

How can I use private variables in different ways

How can I use some private variables/symbols in another sub contexts in different ways. Note: Please do not use code Cell Style for testing the codes. ...
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1answer
77 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. ...
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1answer
46 views

Can't load Geometry package [closed]

I am trying to use << Geometry`Rotations; but I got this message Get::noopen: Cannot open Geometry`Rotations`. >>". How I can solve this problem?
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1answer
85 views

Package to read in data from excel files

I want make a package to add a function to Mathematica that reads all excel files is the working directory that is set after the package is loaded. ...
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1answer
120 views

How to load two packages?

I want to use FeynArts and FormCalc. I've saved them in two different folders and I want to load and use both of them. This is how I load one of them: I write ...