Questions related to the Mathematica front-end (graphical user interface).

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9
votes
2answers
234 views

ScheduledTask with scoped variables. Working with timed evaluation

I guess I have to try harder and focus more but timed evaluation always frustrates me. I will show the issue on simple example of delayed trigger. ...
8
votes
1answer
67 views

How to introduce custom hot keys for the styles of cells?

In the JournalArticle StyleSheet there are useful hot keys Alt+6 for a DisplayFormulaNumbered and Alt+5 for the DisplayFormula. Such hot keys, however, are not present in the Default StyleSheet. Even ...
11
votes
3answers
190 views

How to collect expressions from cells created by Print?

I have a notebook where evaluation of a certain cell produced hundreds of adjacent output cells using Print. I need to create a list containing all expressions from ...
0
votes
0answers
72 views

Setting individual CellContext for each notebook loses autocomplete suggestions

I'm running Mathematica 9.0.1 under OS X. In order to have separate contexts for each of my notebooks, I used the instructions in the last part of the accepted answer from the following link: Is ...
5
votes
0answers
139 views

how to efficiently jump between sections in a notebook?

I have functions defined in some section of the notebook and some cells where I use these functions maaaaany pages below in the same notebook. If I want to go and change the definition of the function ...
0
votes
0answers
57 views

Can you set up a remote kernel for computation and a local kernel for predictive interface?

I am able to launch remote kernels from my Windows box to our Linux cluster that has the data I need and the capacity to run analysis (numerous & speedy cores, spacious memory, etc.). Works ...
2
votes
2answers
144 views

How can I change mouse hover behavior for hyperlinks in a notebook?

When I create a Hyperlink to a Youtube video in a text cell the link is colored blue like it would be in a browser. However, the mouse cursor does not change when ...
9
votes
1answer
532 views

Workflow in the Mathematica and Workbench IDE

After visiting one of the Wolfram presentations, I started writing code for my number theory research project in Mathematica because I found it to be faster than Sage. I downloaded Workbench and ...
14
votes
1answer
249 views

How to programmatically remove menu items

I would like to do the opposite of what is described here. So rather than add a menu item I would like to programmatically remove one (or more). So given a knowledge of the structure of the menu *.tr ...
6
votes
2answers
338 views

Front end typing lag

Under Windows 7 I frequently get serious keyboard lag. My home machine (Windows XP) NEVER lags. I was able to improve things somewhat by running Mathematica as Administrator, but this only went so ...
1
vote
1answer
135 views

Looking for a input template for Limit

I'm using v. 8. I'm looking for a limit input template (analogous to the integral template), but I can't seem to find it in any of the palettes. Can anyone help? Edit: I'm looking for a 2D input ...
3
votes
0answers
75 views

Copy string with markup so it looks good on input

How can I copy a string with a bunch of *Box expressions without it blowing up into the raw expression? ...
3
votes
1answer
143 views

Confusing font information from CurrentValue

I'm trying to programmatically get the width of a character in Mathematica's default fixed-width font, Courier. I believe CurrentValue holds the answer but I'm ...
3
votes
1answer
133 views

Time constraints on KernelExecute commands or MenuItems?

I'm trying to use Get to load some pretty substantial packages from a custom menu in the Mathematica toolbar (added via MenuSetup.tr). The problem is, the standard ...
7
votes
1answer
158 views

Understanding FullForm in front end

I want to understand the following effect better (In Mathematica 9) .. Or, maybe, is it a bug? Running the following line FullForm[Subscript[α,β_]] gives as ...
3
votes
1answer
113 views

Frontend coloring of Table[x, {x, 0, x}]

I have a small question about how the Mathematica frontend colours in the variables that appear in (wrongly written) iterators. More specifically, I'm intrigued by the colour of the third ...
4
votes
1answer
96 views

How to release $Mathematica$ from the $Pre HoldAllComplete lock

Not sure if posted before, but I'm asking this question from a Mathematica fellow user who tried to load expressions, whose problem soon turned into a prison break game featuring the following code. ...
5
votes
0answers
179 views

Visualizing nested lists for easier human understanding

When interacting with Mathematica, I often find myself staring blankly at waves of curly braces, trying to understand how data is organized hierarchically. For example, the beginning of the result to ...
2
votes
0answers
38 views

Syntax for FrontEnd`SelectionSetStyle

I know FrontEnd`SelectionSetStyle is undocumented, but its name suggests it does what I need. What is its syntax? I have already tried several variations of the ...
9
votes
0answers
87 views

How to capture implicit fails in Plot or Show? [duplicate]

How can I make a construct similar to C++ functions: try{} catch{} I want to use it to avoid showing a lot of errors in the plot area when for example one of the ...
1
vote
1answer
40 views

Output cell written with NotebookWrite dissappears on whole notebook evaluation, yet remains if I individually evaluate it

Create a new notebook with the following two input cells: NotebookWrite[EvaluationNotebook[], Cell[BoxData[ToBoxes[Manipulator[Dynamic[x]]]], "Output"]] and ...
0
votes
1answer
69 views

Manipulate that remembers its own input code and can show it by request

This question is a further question to my previous one. The solution for that question works well as long as the original input Manipulate code is still provided in ...
2
votes
2answers
213 views

Make fraction with selection in denominator

Using ctrl/ you can make a fraction. If you have selected something it will appear in the numerator. Does there exist a shortcut to make the selected text appear in the denominator instead? If not, ...
4
votes
1answer
76 views

Evaluate open cell segments in a notebook

The Evaluate > EvaluateNotebook evaluates the whole notebook. Is it possible to somehow evaluate ONLY the open sections of a notebook?
4
votes
1answer
339 views

How to define a button inside Manipulate that tells Mathematica to re-evaluate the whole Manipulate code?

I have written a Manipulate code carrying out some very complicated tasks. There is no problem for the first run, but if I click the reset button to reset all ...
8
votes
1answer
161 views

FindSelectedFunction for packages - how to make it work?

The Mathematica help menu contains an entry Find Selected Function (Cmd+Shift+F on OSX). If you are working with say Transpose and want to look up its reference ...
2
votes
1answer
133 views

Delay of events detection dependent of “MouseDown” position

Let's say we have a Rectangle with color which depends of CurrentValue["MouseOver"]: ...
4
votes
1answer
114 views

How to expand multiple cells at once?

Is there a simple way to expand multiple cells simultaneously? At the moment I am primarily interested in fully expanding "in one fell swoop" all the cells in a documentation window, although I can ...
2
votes
1answer
138 views

Remove braces, {}, from around DynamicModule output?

Is there a way to remove the braces from the front end output associated with DynamicModule? For instance: ...
2
votes
0answers
110 views

Navigation a la XPath for Mathematica notebooks

In Mathematica, notebooks (in fact all expressions) have a tree-like structure. In this regard, they are similar to XML files. For XML, one can travel through the document structure using tools like ...
6
votes
2answers
186 views

Evaluating selected expression using keyboard shortcut

Imagine that in this toy code I want to evaluate just the selected (blue) expression: To get as output result: {09/14,09/15,09/16,09/17,09/18,09/19,09/20} There is some shortcut to do this? I'm ...
14
votes
4answers
346 views

Prevent graphics render inside held expression

Assuming each odd line is input I would like the even lines to be the output of the following lines. In the above the Graphics are inside ...
4
votes
1answer
107 views

How to copy groups of cells with NotebookWrite?

I'm trying to use: NotebookWrite[nb, NotebookRead[EvaluationNotebook[]]; to copy cells from the EvaluationNotebook[] to a new ...
6
votes
1answer
102 views

How to suppress automatically generated header in packages?

At the top of the .m file which is automatically generated from initialization cells in a notebook there appears a header: ...
1
vote
1answer
108 views

How to preserve focus on InputField after Print?

If you press Enter in the example below it should become clear that test is being adding to the textbox instead of the current ...
5
votes
1answer
105 views

Maintaining stylesheet information in Cell[]

I am working on formatting a cell for a slideshow presentation format such that a graphics object occupies the left half of the cell and bullets or other items occupy the right. The ancient ...
1
vote
1answer
61 views

Problem with indentation with a section having a RegularExpression

I have this line of code (a one-liner to import the Abaqus dispalcements!) ...
5
votes
1answer
97 views

Syntax formatting when Condition is used with Blank

Consider the following codes: x_/;x>y Condition[x_,x>y] Condition[Pattern[x,Blank[]],x>y] All the three codes are equivalent. As we can see, in the ...
4
votes
1answer
95 views

Is it possible to enable syntax highlighting for \[Function]?

This is a bit of a long shot but I am wondering if it is possible to enable syntax highlighting in a function defined with \[Function] without resorting to anything ...
2
votes
0answers
106 views

FrontEndTokens, MathLink, and Serializer.exe

I have been using some basic MathLink programming in my work and wanted to create some more sophisticated MathLink programs. I came across the book "MathLink: Network Programming with Mathematica", ...
1
vote
0answers
161 views

Revert Notebook to earlier version using Notebook History

Is it possible to revert a notebook to its earlier version via the Mathematica's Notebook History panel? It would be nice if I could select a point in time in the bottom graph and revert back to that ...
5
votes
2answers
145 views

How can I determine the hyperlink of a currently opened documentation page programmatically?

Every pages in the documentation has a hyperlink. Here are some examples: ...
15
votes
2answers
322 views

Automatically close Mathematica

It seems there are a lot of related topics but I haven't found an answer. I want to automatically quit Mathematica after some procedures are done but dialog window appears: ...
5
votes
0answers
72 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 ...
8
votes
1answer
151 views

After modifying expression, new result doesn't replace old one

After I modify and re-evaluate an expression, the new result doesn't replace the old one. Rather, what happens is that the old result gets pushed down and Mathematica displays the current result at ...
2
votes
1answer
140 views

Hide both input cell and output cell

You can double-click the right gutter of a input cell to hide a corresponding output cell or double-click the gutter of the output cell to hide the input cell. I would like to hide both the input and ...
2
votes
1answer
97 views

Set a path relative to $UserBaseDirectory in the option inspector

Is there a way to set a setting in the option inspector to a path that is relative to some global Mathematica variable? I'm trying to set up a default stylesheet by setting ...
4
votes
1answer
135 views
16
votes
0answers
162 views

How to format usage messages such that function templates are parsed correctly?

Is it possible to format usage messages (with italic arguments etc) such that Mathematica 9 still parses function templates correctly? For example, plain usage messages work when pressing ...
2
votes
1answer
236 views

How to open/close all collapsed/open cells?

Is there a way to open/close all collapsed/open cells? The reason is for a long notebook, it is convenient to see all the section and subsection headings at once.