Boxes are the underlying representation of two-dimensional forms in notebooks.

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3
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1answer
43 views

Newline in code with MakeExpression

I start with f[x]. In boxes, this is RowBox[{"f", "[", "x", "]"}]. I apply ...
7
votes
1answer
96 views

How to convert arbitrary raw boxes directly into String?

This question is motivated by the recent question about searching inside of the NB files. According to the Documentation, ToString expects a high-level WL ...
12
votes
1answer
516 views

How to convert a notebook cell to a string retaining all formatting, colorization of identifiers etc?

I have an opened Mathematica notebook containing several cells. Suppose, I am interested in one of them -- it may contain a complete or incomplete expression (e.g. with syntax errors, highlighted ...
18
votes
2answers
286 views

Understanding evaluation and typesetting

Background So, one could be surprised by the fact that: Hold @ Grid[{{1, 2}}] (*or*) Hold @ Graphics @ Disk[] This issue and methods of prevention are ...
2
votes
1answer
75 views

Test whether the selection is a subexpression

I am writing a button that applies some transformation to the current selection, in a spirit similar to the question "Apply a function to the current selection in place". However, I would like to ...
5
votes
0answers
121 views

Same input,different result? [duplicate]

Using this code,you can see,same input, but the output are different. So weird! If I copy this code here, it outputs normally. So what's the problem? Ps:I use ...
7
votes
1answer
119 views

ToExpression and ToBoxes aren't inverses of each other?

Applying ToExpression and ToBoxes repeatedly to Hold[1/1] gives many ...
3
votes
1answer
24 views

Definition of TraditionalForm

This is a followup of "How to check for Mathematica’s definition of XY?, a question by uli on how to access the definition of a built-in symbol. That question focused on ...
15
votes
2answers
197 views

How do I use the third and fourth arguments of Parenthesize?

Parenthesize seems to do a good job with constructing boxes that need to be appropriately parenthesized: ...
8
votes
2answers
82 views

Reading Cells or Boxes expression by expression

Let's say we have a cell: (*newline*) (*newline*) Plot[ x, {x, 0, 1} ] (*newline*) Plot[x, {x, 0, 2}] How to read it expression by expression? ...
2
votes
1answer
54 views

What sets of boxes can be selected?

In this question I am only interested in mathematical expressions arising in output cells, not more elaborate code which is typically found in input cells. My understanding is that such output is ...
3
votes
1answer
36 views

Custom MakeBoxes are issued also for different pattern expressions

Suppose I want to display some expression, say foo[p1_,p2_], as a point in a circle. I can achieve this using MakeBoxes, like ...
1
vote
2answers
71 views

Manipulate slider freeze, and empty value in box

Here's a MWE code to show two problems I'm experiencing with the sliders and their value box, under Manipulate : ...
5
votes
1answer
78 views

What are “\<” and “\>” delimiters in box expressions?

If I enter a string (say, "abc") in a cell, and then switch to box representation (Shift+Ctrl+E or menu item ...
7
votes
1answer
111 views

Ways to obtain a BoxObject

Is there any way to get a BoxObject, except with EvaluationBox or ParentBox? So usually one ...
24
votes
2answers
1k views

How do I extract the contents of a selected cell as plain text?

My aim is to extract the contents of an Input cells as plain text. Ideally I would like to be able to select one or more Input cells and press a button which would then extract the text from these ...
7
votes
2answers
268 views

Add semicolon at the end of code line programmatically

Suppose we have several lines of code in a cell: a b; Module[{}, c d] e How can we wrap them in a CompoundExpression i.e. ...
1
vote
0answers
62 views

Redefined MakeExpression leads to error in interpreting

I’d like to have a TemplateBox that interprets as its content boxes: ...
8
votes
1answer
81 views

On an existing notebook, how to transform all “double brackets” into “DoubleBracket”

Sometimes, having all double brackets [[...]] transformed into \\[LeftDoubleBracket] ... \\[RightDoubleBracket] can really ...
6
votes
2answers
189 views

How can you resize all the images in a notebook section?

I've pasted a large number of photos and they are too big which makes scrolling hard. Is there a way to automatically have Mathematica size them to 10% or something reasonable without have to click on ...
7
votes
1answer
151 views

How to get string representation of boxes in v10.2?

In Mathematica versions up to 10.1 we could get string representation of given boxes by passing them to ToString with InputForm: ...
10
votes
1answer
286 views

How to change the font color of a variable in whole input cell

I want to track the occurrence of a particular variable in a code. So the idea is to change its color. Usually I do it in a crude way - convert the code into text and then use ...
4
votes
1answer
154 views

Unexpected result when reading Cell with comment-lines by NotebookRead

Bug introduced in 9.0 and fixed in 9.0.1 When considering this question about re-formatting Cell (also this one), I encountered an issue which confuses me. I'll ...
1
vote
1answer
210 views

How can I draw a box with moving particles inside and a hole in one side? [closed]

The idea is to create a simulation for ideal gas motion in a container that have a hole and then find the speed distribution for the gas particles that leave the box through the hole. I have a ...
3
votes
1answer
62 views

Splitting formatted output to multiple lines in a controlled fashion

Let's consider a slightly complicated expression in TraditionalForm: ...
15
votes
3answers
410 views

Notebook vs. DocumentNotebook; display a Notebook inline, like a DocumentNotebook

If you evaluate a DocumentNotebook[] expression in the front-end, it nicely displays inline, inside of an output cell in the current notebook: For my purposes, ...
4
votes
0answers
88 views

Using an external Pattern breaks Format

I noted while writing this answer that using an external Pattern on Format doesn't work: ...
2
votes
2answers
93 views

NotebookWrite in EvaluationBox forces Input CellStyle

There is a promissing new function EvaluationBox[] and a nice last example in documentation section for it: ...
2
votes
1answer
89 views

How to suppress clutter parentheses in output?

Dozens of unnecessary parentheses are making my output hard to read. For example, this: expr = D[f[x], {x, 2}]^2; returns this: (* f"[x]^2 *) But when I try ...
5
votes
2answers
100 views

Removing spurious parenthesis in `TraditionalForm`

I don't understand the following behavior (in v 9.0.1) of TraditionalForm regarding insertion of parenthesis. Let us start with the a definition for ...
3
votes
0answers
56 views

To UpSet or not to UpSet when using MakeBoxes

What is the difference between the following two: ...
5
votes
2answers
181 views

Customizing display of partial differential equations

I am manipulating partial differential equations symbolically, and would like to get the easily readable form $\rho \frac{\partial v}{\partial t}$, leaving variables implicit. Based on suggestions ...
5
votes
2answers
111 views

How to robustly apply ToBoxes to a Dynamic expression?

Inserting a Dynamic object in a boxform expression messes up syntax colouring. See the following example. where the variable ...
9
votes
1answer
170 views

How to get a list of all expressions in a notebook matching a certain pattern?

Suppose I have a Mathematica notebook saved to a certain location on disk. Given a pattern I need to get the list of all expressions matching this pattern that appear in input, output or print cells ...
10
votes
2answers
252 views

Backslash commands in strings?

I discovered by playing around that Text[DisplayForm@SubscriptBox["\[Lambda]", "k"]] produces the same result as ...
13
votes
2answers
569 views

How to embed an image into a string?

Note: The bug described in the post is in Mathematica 9, and has been fixed in 10.0. The documentation for String contains the following statements: Strings ...
2
votes
1answer
135 views

A Box for the integral or partial derivative d

I am looking for the name of the box in the Box Language of Mma making integrals, such as those shown in the image below as well as of the sign of the partial derivative. I understand that I can get ...
2
votes
2answers
84 views

How to paste multiple expression using PasteButton?

Is there a way to paste multiple expressions into notebook using PasteButton? For example, I want to do ...
7
votes
1answer
150 views

Converting string representation of boxes into explicit boxes [duplicate]

It is very easy and convenient to write textual labels as Strings in the WYSIWYG mode. For example, I define a short form describing a linear model: ...
11
votes
1answer
174 views

Functions returns Command Completion Output

Is there a function that returns the output as if you invoked Command Completion. To help clarify I am looking for a function that returns the Cell Data as if you invoked ...
5
votes
1answer
654 views

How to extract a possible closed form from WolframAlpha[] output

To find a possible closed form of a number, I can use the function WolframAlpha["6.38905609893065", IncludePods -> "PossibleClosedForm"] It returns a result ...
6
votes
1answer
128 views

Why only up to two \[Prime] superscripts are interpreted as derivatives?

I noticed that only up to two \[Prime] superscripts are interpreted as derivatives. Is there a reason for this restriction? Is it documented? ...
5
votes
2answers
137 views

Why does MakeBoxes mess up RowBox ordering?

When I use RowBox for MakeBoxes the order of the elements is changed for TraditionalForm, if there is a plus (+) in the list of elements. ...
4
votes
2answers
166 views

ToBoxes Respect Spaces Code

Is there a way to force either ToBoxes or MakeBoxes to respect the spacing that occurs in the code? For example is there a way ...
1
vote
1answer
184 views

How to copy an image given as a GraphicsBox expression to the clipboard?

I have a GraphicsBox expression encoding an image. I need to copy this image to the clipboard so that it can be inserted in a Microsoft Word document. When I invoke ...
2
votes
1answer
1k views

How to import a Microsoft Word document into Mathematica?

I have a Microsoft Word document in DOCX format. I need to import it into Mathematica as a String preserving all formatting (font, size, bold/italic style, colors, ...
3
votes
2answers
447 views

FrameStyle in Inset with Framed expression

I am creating some plots that use FrameStyle->AbsoluteThickness@5 and PlotStyle->AbsoluteThickness@0.5. In my plots' ...
5
votes
1answer
369 views
1
vote
2answers
212 views

How to convert comment in RowBox to DisplayForm string

ToExpression[RowBox[{"a","(*","what", "*)"}],StandardForm] This conversion above ignores the commment content (*what*) The ...