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

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1
vote
1answer
61 views

Table of sections with CellPrint

I am trying to produce a table of sections with each section containing a DynamicModule. My two questions are: (1) How do I produce grouped sections that are folded ...
1
vote
0answers
81 views

Frontend of 10.2 Really Slow / Dropping Input

I just updated from 10.0.1 to 10.2 in the hopes that it would fix an infuriating intermittent crashing issue and the frontend seems top be way slower and sometimes freezes for about a second dropping ...
3
votes
1answer
101 views

Preventing a Print expression from generating a new cell each time it executed [duplicate]

In reference to the following code: Button["Start", Print[Plot[x^3, {x, -1, 1}]]] When I click on the button the first time, I get a plot of $y = x^3$, perfect. ...
1
vote
0answers
185 views

Suggestion Bar Gone in Mathematica 9

I have been using Mathematica (version 9) for some time without any problems. Suddenly today I noticed the suggestion bar is no longer visible, and it's a feature that I use a lot. I checked the ...
3
votes
0answers
39 views

Front end responds slowly when writing

I have Mathematica 10.1 running on a Windows 7 laptop (i7 processor, 64-bit system with 4 GB Ram). The issue is that when I type in commands the letters build up very slowly on the screen. E.g. when I ...
3
votes
0answers
80 views

Change the background color of matched strings when doing find-and-replace

This is not a fundamental question, but it puzzles me. In doing a Find & Replace for some string in a notebook, the matched string is highlighted temporarily with some background color (green for ...
2
votes
0answers
55 views

How to increase font size in front-end UI Menus [closed]

Is it possible to increase the font size in the notebook GUI's menus, messages window, help windows, etc?
3
votes
1answer
47 views

How to enter options when using an input palette

Integrate[1/(x^2 + y^2 + z^2)^(5/2), {x, 0, b}, {y, 0, l}, GenerateConditions -> False] We can type in the above expression easily. But if someone new to ...
8
votes
4answers
249 views
2
votes
1answer
121 views

The “Save” under “File” and “Undo” under “Edit” do not work in Mathematica 10.0 [duplicate]

Bug introduced in 10.0 and fixed in 10.0.2 Each time I click "Save" or "Undo" button from the notebook menu, some new notebook window similar to this pops up: And the file is not actually saved ...
7
votes
1answer
136 views

How to programmatically mark and then select a subset of input cells?

I'm developing a package that needs to exert significant control over a notebook while a user interacts with it. One specific thing that it needs to do, programmatically, is to select a specific ...
5
votes
2answers
181 views

Format-Size-Larger/Smaller shortcut disabled in M10? [fixed in v.10.1]

Bug introduced in 10.0.0 or earlier and persisting through 10.0.1 and 10.0.2. Fixed in 10.1 It seems that the keyboard shortcuts for enlarging/reducing the font size (ALT+= / ALT+-) don't work ...
3
votes
0answers
67 views

Changing scroll range for mouse wheel

Is there a possibility to change the range for scrolling with the mouse wheel in Mathematica? In ScrollingOptions I couldn't find such an option. I played around ...
0
votes
0answers
22 views

How to prevent Mathematica 10 from instantly displaying hover menus? [duplicate]

I recently updated to Mathematica 10 in the hopes to get the most up to date function definitions and run time optimizations. Alas, along with the (hopefully significant) improvements (not so sure ...
13
votes
1answer
318 views

Bug in handling backslashed Cyrillic symbols in v.10.0.0?

Bug introduced in 10.0.0 and fixed in 10.1 UPDATE: Now both the inputs "\б" and "\\б" are interpreted as ...
3
votes
1answer
127 views

Separate output screen; clearing (cleaning) output screen

Is there a way to split the screen so that the code is visible on top, and the output generated from its execution appears at the bottom? Is there any way to clear the screen from previous runs, so ...
0
votes
1answer
81 views

What is Mathematica's comment-to-line-end token? [duplicate]

How can I make a full line of code into a comment by typing a single character inserted at start of the line? In other programming languages I can use characters such as ! , # and language processor ...
13
votes
2answers
729 views

Annoying FrontEnd bugs in Mathematica 10

Bug introduced in 10.0.0 and fixed in 10.0.2 Recently I installed Mathematica 10 on Windows 8 x64 machine. Before that I had a prerelease version of Mathematica 10 installed on my laptop. I ...
40
votes
8answers
9k views

How can I improve Mathematica's resolution on a macbook retina display?

Mathematica 9.0 looks a bit fuzzy on the retina screen, how can I increase the resolution? Here another screenshot showing a direct comparison between the browser and Mathematica
7
votes
1answer
228 views

Linux: Mathematica crashes when clicking documentation links very fast

Bug introduced in 10.0.1 or earlier and fixed in 10.1.0 Can someone confirm the following behavior: Open a new Mathematica and go to the documentation. Navigate to any reference page (I used ...
14
votes
2answers
915 views

How can one define an infix operator with an arbitrary unicode character?

You can setup "UsefulFunction[a, b]" to use custom infix notation "a [LeftRightArrow] b" as follows: ...
1
vote
3answers
185 views

How can I clear the content of my notebook in Mathematica? [closed]

The Clear command is for clearing definitions of symbols. Is there any built-in function to clear the work area of my Notebook?
5
votes
1answer
221 views

How can I prevent SHIFT-ENTER moving the editing cursor?

What I do: Here press Shift+Enter to evaluate. What I get: The cursor disappeared What I want: The cursor retained Workaround: Up Arrow as many times as it takes, Right arrow as many times ...
1
vote
1answer
70 views

How to define a number of infix operators with predefined relative precedences

Reading a number of questions about infix operator notations I want to ask if somebody could reimplement the problem below in a simpler way, say modifying ...
8
votes
0answers
64 views

Is this behaviour, producing OutputSizeLimit`Dump`encapsulateOutput, a bug?

Bug introduced in 6.0.0 and persisting through 10.2.0 The input ...
16
votes
1answer
545 views

How to add named characters to Mathematica 10?

It appears that native support for the Klingon alphabet has been removed from version 10: \[KlingonA] Syntax::tsntxi: "\"!(\[ KlingonA])\" is incomplete; ...
9
votes
0answers
219 views

After editing a file Mathematica 10 interprets […]^2 as […(])^2

Bug introduced in 10.0 and persisting through 10.2 or later This is a very weird bug and I don't really know how to reproduce it, so I'll just copy-paste the whole code ...
2
votes
1answer
45 views

How can one easily toggle the “insufficient version” warning message in CDF and Mathematica?

Unfortunately people use different Mathematica and CDF versions and the default setting of "InsufficientVersionWarning" in MessageOptions is True both in Mathematica and the CDF Player (which is quite ...
5
votes
3answers
87 views

Output code not highlighted when used as input

I have reported this issue: [CASE:3389542] Today, I accidentally found what I believe is an unwanted feature of the front-end, where input code is not appropriately highlighted and the dynamic ...
11
votes
1answer
2k views

How to work around Mathematica hanging when showing a large SparseArray?

Bug introduced in 9.0 and fixed in 9.0.1 In Mathematica 9, if I display any large SparseArray object in the default way (which looks something like ...
2
votes
1answer
106 views

Some symbol does not auto-complete in v10.2

When I input Backsub in Mathematica 10.2 and press Ctrl+K after, I couldn't get Backsubstitution. My OS is Windows 8 32-bit. ...
9
votes
1answer
91 views

How to Copy formatted code without backslashes added?

By default code copied from the FrontEnd is formatted with backslashes added at the ends of lines. For example, evaluating in a Notebook Range[40] and copying ...
20
votes
1answer
1k views

Mathematica 10.1.0.0 (OS X) high CPU usage even for empty notebook

Bug fixed in 10.1.0 (see answer for details) Since update to 10.1.0.0 Mathematica has a high CPU usage even when no evaluation is running (even for empty notebook opened). I am running OS X ...
11
votes
2answers
844 views

Avoiding an unresponsive user interface in OS X

I have found that despite Mathematica's numerous updates, each of which have added much functionality, one fundamental issue remains unaddressed: The unresponsiveness of the UI when I make a mistake ...
8
votes
1answer
116 views

How to test if file exists on the front end machine?

When using a remote Mathematica kernel, how can you test if a file exists on the local front end machine? Of course FileExistsQ cannot be used in this scenario, ...
1
vote
0answers
130 views

How can I protect my notebook file with a password to open and save changes?

I want to protect my .nb file with a password, because now I'm using a free access computer in my university. Everybody student in my university can use that computer and I do not want my .nb file can ...
6
votes
2answers
87 views

How do I maintain notebook state variables between front end/kernel sessions, if those variables are set programmatically rather than via UI widgets?

I need to give a notebook a few simple state variables (counters) that will be saved with the notebook, persist across kernel restarts, etc. From what I've read, using variables defined within a ...
12
votes
1answer
917 views

Opening a notebook from command line in an existing front end instance

I am using Linux, and I would like to be able to programmatically open notebooks in a running Mathematica instance from the command line. Currently, doing something like ...
3
votes
1answer
184 views

How to open notebooks in already running instances of the Front End on Linux? [duplicate]

On Windows and OS X, if Mathematica is already running, double clicking a notebook doesn't open a new Front End instance. Instead it will conveniently open the notebook in the already running ...
17
votes
2answers
403 views

MathKernel doesn't return all Messages

In Mathematica I run this command: Plot[Sin[x], {x, 1, 15}, GridLines -> error] It generates a Plot with this error message: A GridLines specification ...
2
votes
0answers
51 views

Is there a keyboard shortcut that reproduces the code two input cells above the current cursor location?

In Mathematica running on OS X, Cmnd+L is one of my favorite keyboard shortcuts, as it reproduces the code in the input cell above cursor location into the current cell or into a new cell when the ...
2
votes
0answers
79 views

Alt drag does not work properly

When a graphics is displayed, right clicking will bring up the Get Coordinates tool. To select a rectangular region, you can do it manually by selecting the two corners and Alt+C will copy these two ...
0
votes
1answer
88 views

Adding code comments to a module [closed]

What is the best way to comment a long Module? For linear flowing calculations that need not be organised in modules, I usually mix text and math. But how can I do that inside a module, or block, or ...
5
votes
1answer
119 views

List of Recently Opened Files

If I go to the menu bar and press File I get a list of recently opened files.This would be useful except they are edited and mostly replaced by dots thus making choosing difficult. See the screen shot ...
4
votes
0answers
143 views

StyleSheet for custom application

I'm working on a package that needs to be installed into an arbitrary, "non standard" path (i.e., not $BaseDirectory or ...
14
votes
1answer
978 views

Finding a Specific Line in a Package

In a package I am developing, I accidentally left this line Protect[ uncompleted prior to running the package. Mathematica produced this error message ...
7
votes
1answer
160 views

What should I call the messages that appear when the mouse moves over failed graphics output?

I attempted to evaluate the following Plot[x^2, {x, 1, 2}, PlotStyle -> {RGBColor[a]}] which, of course, failed. After the failure, putting my mouse over the ...
11
votes
1answer
99 views

Is there a way to change the indentation behavior of the postfix operator //?

For example, using newlines after // results in some really weird indentation: Ideally, I'd love to be able to do something like this: ...
23
votes
1answer
276 views

Is it possible to maintain user-defined shortcuts in a web-installable package?

There are various posts here on this site about how to add user defined extra keyboard shortcuts for the front end. The problem is how to put them into a better maintable and properly documented ...
10
votes
1answer
89 views

How to disable half-hiding output, when the corresponding input cell is modified

I think it has become less easy to compare the new output, now that the output font color turns gray as soon as something is modified in the input cell. Is there any solution?