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

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1answer
217 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
285 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
51 views

Error message Graphics`Colors`

I am having trouble running this code: ...
0
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1answer
63 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
73 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
37 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
76 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. ...
0
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1answer
71 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 ...
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1answer
112 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: ...
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1answer
100 views

Developing Mathematica applications with IntelliJ IDEA [duplicate]

I create Mathematica application. For example testPrj. Now I want load this application for test. Here is a problem: how can I setup environment for loading my application with simple ...
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1answer
225 views

Getting “Null” output from package?

I have a script written to test a package as follows: ...
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1answer
261 views

Mathematica .m file can not open in Ubuntu

My operating system is Ubuntu. I add some new .m file to /usr/local/Wolfram/Mathematica/9.0/AddOns/Packages/ and then call for it in Mathematica, but failed with the message Get::noopen: "Cannot open ...
0
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1answer
73 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 -- ...
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1answer
101 views

Why is there a seeming discrepancy with the expression Cofactor?

I was trying to find out the cofactors of a square matrix. Then I came across the command Cofactor in Combinatorica package. ...
0
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1answer
516 views

A symbol occurs in more than one context:one of the definitions is shadowed

I started Mathematica 10 and run as the tutorial says: trainingset = {1 -> "A", 2 -> "A", 3.5 -> "B", 4 -> "B"}; c = Classify[trainingset] but the ...
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1answer
105 views

Missing some packages?

I am trying to use a program written by someone else. When I run the program, I am supposed to get a number as a result, however, what I got is some complicated result with "InterpolatingFunction" ...
0
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1answer
138 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. ...
0
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1answer
758 views

Using GRTensorM 1.2 in Mathematica 8.0

I am copying a post from 2009 that didn't get any reply on the Wolfram page, as I am experiencing a similar problem to this at the moment: I was wondering if anyone here knows of a way to force 8.0 ...
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0answers
17 views

How to unshadow a chosen definition for a function

I want to use the package NCAlgebra. However after successfully installing the package and trying to write some code, basic functions like SetNonCommutative[...] ...
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0answers
40 views

Probleme with Ted Ersek's RootSearch package [duplicate]

The following question is a logical continuation of this one. The Ted Ersek's RootSearch package doesn't work with this code: ...
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0answers
52 views

Feynarts not working

Update: I use FeynArts-3.7 with FeynCalc 8.2.0. When I enter **<<HighEnergyPhysicsFeynCalc...
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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 ...
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0answers
80 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 ...
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0answers
21 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 ...
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0answers
28 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 ...
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0answers
28 views

How to use PageBreakPalette?

I would like to use PageBreakPallete from http://library.wolfram.com/infocenter/TechNotes/4094/ I did ...
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0answers
39 views

Debug package with command line arguments

I'm creating a package that takes as arguments input from the command line using $ScriptCommandLine. What's unclear to me is how to best debug this package. How do others perform these tasks? I ...
0
votes
0answers
72 views

What is the right way to combine a Package, Module, ParallelTable and NIntegrate?

I am stuck with a curious problem. I would like to to have a package from which i can call a function test[path], which then performs a time consuming numerical ...
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0answers
59 views

Atlas 2 For Mathematica. Need to calculate Riemann tensor, etc [duplicate]

Is anyone familiar with Atlas 2 for Mathematica to calculate the Riemann Tensor, Ricci Tensor, and scalar I have a metric that I need to calculate these things for. Can anyone help? I'm not too up on ...
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0answers
189 views

Using Quantum Mathematica package with V10

I am using Quantum Mathematica add on/package for my calculations. It works well with Mathematica 9 and below. But when i run it on Mathematica 10 it gives problem/error. When I run the initial ...
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0answers
82 views

Graphics Plotfield

A number of older books use the command: <<Graphics`PlotField` But Mathematica 10.0.2 says it cannot find it. Now, I know ...
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0answers
101 views

Simplify BeginPackage with Package of Packages

I have a group of Packages that I use to create a lot of other Packages. Let's see an example: ...
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0answers
37 views

Is it possible to have a function with non-global parameters? [duplicate]

If I have functions in two packages that have parameters such as length_, width_ and height_; is there any way to have both packages loaded without generating messages such as "Symbol length appears ...
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0answers
21 views

Trouble picking up package definitions [duplicate]

I open a new notebook and type ClearAll[test]; test[x_] := x + 42; I save it as Temp.nb and also as ...
0
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0answers
266 views

Symbolic tensor product calculation

I am trying to calculate the a symbolic tensor product $\langle \nabla f\otimes f,\nabla g\otimes g\rangle ^2+(\langle \nabla f\otimes g,\nabla f\otimes g\rangle +\langle \nabla g\otimes f,\nabla ...
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0answers
53 views

Problem with loading my custom package [duplicate]

I've been having quite a bit of trouble loading a package I wrote. I've followed the suggestions on related questions on this site, as well as on Mathematica's own pages, and still nothing has worked. ...
0
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0answers
33 views

relative directory paths within a mathematica package/what directory does a mathematica package see as local? [duplicate]

I have a package that gets loaded in many notebooks I use, with Import[pathToLibraryDirectory<> "toolkit.m"]; This toolkit in turn loads some Excel ...
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0answers
72 views

How to hide global variables in package?

in the package I'm writing I have a list of global variables which should not be visible from a notebook. Here's an extract of the package: ...
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0answers
44 views

Functional derivatives in Feynman Path Integral [duplicate]

Is there any package that can simplify functional derivatives in path integrals? For instance the expression (integrate over, $x,y,z,u,v,r,s$): ...
0
votes
1answer
268 views

How can I load packages automatically after reopening Mathematica [duplicate]

Possible Duplicate: Automatically load packages at startup I have made two packages "Package1" and "Package2". Package2 calls Package1. it works fine.But everytime I am reopening ...
-1
votes
2answers
393 views

Is there any Robotic Package in Mathematica?

Is there any Package in Mathematica that deals with Robotics and their application?