17
votes
Accepted
How to make version 12 print Root objects to screen normally as in earlier versions?
Making the comments into an an answer as suggested.
SetSystemOptions[ "TypesetOptions" -> "NumericalApproximationForms" -> False]
will restore the legacy ...
- 25.5k
13
votes
Tokenize Mathematica input in a simple way
I am a developer at Wolfram Research and I am trying to share some of the work I have been doing with parsing WL code.
I have written a package for parsing WL code and retaining interesting metadata, ...
- 521
10
votes
What are "\<" and "\>" delimiters in box expressions?
Summary of the all available information
In the hoarier days space-like characters (spaces, newlines, tabs) inside strings were interpreted on input in an odd way: for example single newlines ...
- 62.1k
10
votes
What are the differences between using MakeBoxes and Interpretation?
Assuming that you want to create a special display form for foo that can be used in all contexts, you should use neither of these solutions. Why?
...
- 236k
10
votes
Accepted
Validate `Box` grammar, is it possible?
You may try using MathLink`CallFrontEnd[FrontEnd`ReparseBoxStructurePacket[...]].
...
- 31k
10
votes
What is box-structure in Mathematica? Why can a function be left-value?
Definitions
The tech note, Transformation Rules and Definitions, starting with the section "Making Definitions for Indexed Objects" and going on through "Modifying Built-in Functions&...
- 241k
9
votes
Accepted
What are the differences between using MakeBoxes and Interpretation?
Point of conversion
A large and perhaps key difference is that MakeBoxes (foo) only transforms the expression into the expanded ...
- 273k
9
votes
Accepted
Make a custom object look like MatrixForm of a matrix?
InterpretationBox will take care of making safe round trip from boxes to expression but we need to take extra care during condition checking and partition not to ...
- 137k
9
votes
Accepted
How do I view the built-in definition of TemplateBox styles in terms of low level boxes?
They live in stylesheets:
CurrentValue[{StyleDefinitions, "Binomial"}]
...
- 137k
8
votes
MakeBoxes for Power not matching when inside Times?
I believe the existing rules for Times take precedence. (i.e. act first.)
Perhaps a derivative of this can work for you:
...
- 273k
8
votes
Accepted
Is there a way to print simple roots as Root objects?
expr = 3 - Sqrt[2];
Use ToNumberField to convert the expression to an AlgebraicNumber
...
- 161k
7
votes
This code crashes the FrontEnd - can I remove anything else?
Thank you for bringing this to our attention. I've done a preliminary investigation. On Unix only the kernel crashes, on Windows the FE crashes (or, more accurately, the FE crashes before the kernel ...
- 14.2k
7
votes
Symbolize Does Not Work in `.m` Files or What?
This answer may seem slightly off but it was posted before recent updates. The bottom line holds though.
It symbolizes boxes, not expressions, it is not Subscript ...
- 137k
7
votes
Accepted
How to convert expression with Subscript to string
how to convert a expression containing 2D format into corresponding
string that retains the format programmatically? For example, how to
convert
...
- 62.1k
7
votes
TagBox + InterpretationBox vs ConvertTo/StandardForm
This report finally found its way to me, and this is not a bug. I'm sorry support gave you incorrect information.
This has nothing to do with the particular boxes involved, but rather with your use ...
- 14.2k
7
votes
Accepted
Export Table with URL as HTML?
This is what it looks like for me when I try to export the grid as HTML:
These are just the first couple of errors. It goes on like that. On the other hand, ...
- 71k
7
votes
Are there any good tutorials on Boxes?
Converting a comment to an answer for the record:
I am not aware of a better (?any at all) tutorial than Jason's Typesetting Workshop. I am not counting documentation. Otherwise you can learn a lot ...
7
votes
How to typeset a key combination in Mathematica notebook?
The specific boxes you ask for are:
...
- 24.3k
6
votes
Accepted
Why doesn't defined MakeBoxes display what is constructed in RHS?
Interesting question. Building on comments by glS It appears that HoldForm is treated specially by (conversion to) ...
- 273k
6
votes
Accepted
How to make TeXForm use TemplateBox to generate code?
The internal function used by TeXForm to process boxes is System`Convert`CommonDump`ExpandTemplateBoxes. This function is ...
- 131k
6
votes
Accepted
How to display fractional expression like this?
In this particular case it is sufficient to add a custom formatting rule:
...
- 62.1k
6
votes
Make a custom object look like MatrixForm of a matrix?
InterpretationBox used in answer by J.M. and by Kuba allows you to copy formatted object and keep its proper interpretation as an ...
- 15.1k
6
votes
Accepted
How to recover these TemplateBox into normal form?
If you want to edit the box expressions, there're already some similar questions on MSE, such as 47213, 13317.
Solution 1
However, the direct use of ...
- 3,750
6
votes
What is box-structure in Mathematica? Why can a function be left-value?
Assigning values to symbols or expressions follows conventinal rules of programming laguages.
Plus[x,y]=1
is simply not allowed, because it changes the definition ...
- 4,226
6
votes
Accepted
Converting WolframAlpha Output to Markdown
An easiest way is to make use:
Pod ComputableData - see how HERE
MathJax in markdown
So getting the data from
...
- 73.5k
5
votes
Accepted
MakeExpression can't deal with FE boxes riffled with whitespaces
Tracing the evaluation with Trace[ToExpression[boxes], TraceInternal -> True] reveals that ToExpression calls ...
- 62.1k
5
votes
Accepted
How to make some RowBox to be string
How can I get the unchanged Box form of an arbitrary expression?
toBoxes = MathLink`CallFrontEnd[
FrontEnd`UndocumentedTestFEParserPacket[#, True]
][[1]] &
...
- 137k
5
votes
Accepted
To TagSet or not to TagSet when using MakeBoxes
Generally speaking, that TagSetDelayed form is preferable, as the rule is attached to the myfuncF rather than to ...
- 14.2k
5
votes
Accepted
Dynamically updated AccountingForm
A workaround: Define a function that is identical to AccountingForm (with the options specified) and use it as the first argument in ...
- 399k
5
votes
Make a custom object look like MatrixForm of a matrix?
Something to start with:
...
Only top scored, non community-wiki answers of a minimum length are eligible