Questions relating to working with textual information: textual analysis, data mining, etc.

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4
votes
2answers
181 views

Character display color

I'm looking to cause the front end to display individual characters in a specific color, just in general, as a default sort of thing. For instance, the character "1" would always display as a red 1, ...
4
votes
2answers
735 views

rotating 3d text

Is it possible to create a 3d rotating text like this: animation here. Here is my try so far: ...
4
votes
2answers
199 views

Cleaning up a List of HTML Data to Render Usable Information

I am using Mathematica to scrape information from webpages. To get file information, I am gathering plain text that is enclosed by <tr> and ...
4
votes
1answer
193 views

DensityHistogram label/display values in Mathematica 8

I'm trying to make a DensityHistogram in Mathematica 8 that overlays the histogram values for each location. What I want is for the value of each square to be ...
4
votes
1answer
260 views

How do I remove single-character whitespace between words, leaving multiple, contiguous, whitespace characters unchanged?

In a string, I want to remove only the single-character whitespace between printing characters, leaving any multiple, contiguous, whitespace characters between printing characters unchanged? What is ...
4
votes
2answers
227 views

Can I frame text in a plot to look like legend?

I have a DateListPlot, much the same as below, that I want to overlay text onto. I'd like the text to be wrapped in a frame much the same way as the legend box is, ...
3
votes
2answers
1k views

Importing .txt or .csv financial data

I am trying to import some financial data exported from Excel. You can find the relevant file here : Text File or CSV File This is what the data looks like in Excel : Using the following code to ...
3
votes
2answers
706 views

Single dot textual form

How do I render a letter with a single dot above it? I see \[DoubleDot] and \[TripleDot] are readily available, but what about ...
3
votes
5answers
416 views

How to write a function to remove comments from a .m source file preserving formatting such as line wrapping reasonably?

How to write a function to remove comments from a .m source file preserving formatting such as line wrapping reasonably? This means if I have ...
3
votes
2answers
1k views

How can I italicize FrameLabel directives?

Suppose that I use Frame -> True in Plot. Then I can use ...
3
votes
2answers
930 views

3D scatter plot from a txt file

I have a txt file with space-delimited x, y, z coordinates of several points. The points are organized into groups of unequal size; the groups are delimited by skipping a line, like this: ...
3
votes
2answers
80 views

Adding Text to a ListLogLinearPlot [duplicate]

I have a problem with adding text to a ListLogLinearPlot plot. The text just doesn't show up anywhere. If I use the normal ListPlot, the text coordinates go perfectly wherever I want them to: ...
3
votes
1answer
306 views

how to delete specific data from text file and then update it

I have a large text file. I read data from text file one at a time and check whether data agree with my condition. If not I want to delete that data in text file and update it. For example say my ...
3
votes
3answers
5k views

Label points in plot with a text

I'm a newbie at Mathematica and I couldn't find how to label the maximum and the zero of a simple function in Plot with their names: ...
3
votes
3answers
188 views

Text with subscript is automatically Italic

I am creating a figure for a document using Graphics in which there is Text with some variables and again those same variables ...
3
votes
3answers
194 views

Generating a list of questions (simultaneous equations)

I am trying to create a list of simultaneous equations showing steps, where I only need to change a, b and the question number, and maybe a couple of minor things about q (where q is the factored ...
3
votes
1answer
135 views

Keeping Font Relative Size to Object/Graphics/Plot Object upon Resize

I want to keep the text generated within a graph/plot to remain the same relative to an element (a disk of size 0.2) of the image upon resize, not the image itself, while maintaining the original ...
3
votes
1answer
412 views

Importing file with UCS-2 Little Endian codification

I'm trying to import a text file with UCS-2 Little Endian codification but I can't read it correctly. There's any hidden option to read this files ?? I'd tried with ...
3
votes
1answer
145 views

How to fill a whole rectangle with text?

I have a rectangle with specified dimensions and I'd like to fill it with text, so that the text uses all (well, as much as possible) of the available area. I tried to do it with ...
3
votes
0answers
64 views

How to include automatic references to cells styled with DisplayFormulaNumbered

Under the Style menu, there is an entry called DisplayFormulaNumbered. It does exactly what it seems to suggest: it indexes the ...
3
votes
0answers
131 views

Unicode beyond Basic Multilingual Plane

String manipulation takes a dive when characters beyond \:FFFF are used e.g. Mathematical Alphanumeric Symbols. The characters display fine but doing string ...
2
votes
2answers
211 views

Manipulating spacing in a text object

I want to visually illustrate substitution in a mathematical expression. This is an example: ...
2
votes
2answers
662 views
2
votes
3answers
359 views

Outputting a fraction on one line with an oblique division sign

How can I make Mathematica output a fraction as x/2 as opposed to the x on top with a horizontal bar and ...
2
votes
2answers
133 views

Expand Graphics based on all elements

How might I force the following Graphics element to expand to contain the Inset text? ...
2
votes
1answer
174 views

diff-able text-only notebooks?

I would like to save my Mathematica notebooks as plain-text documents, so that I can keep them under git version control. I thought that ...
2
votes
1answer
162 views

Issues with a Counter that is tallying term appearances

I am working with an array of textfiles, trying to see how frequent certain terms are. However, I am running into some difficulty with my running counts of bigram frequency. Here is a snippet of my ...
2
votes
1answer
145 views

Some Characters From Custom Font Do Not Show Up

I'm using version 8.0.4.0 on a Mac, and recently made my own .otf and .ttf fonts at PaintFont.com. The font can be based on pretty much anything, including handwriting, and covers everything from ...
2
votes
2answers
83 views

Placing text within a plot

I want to place text within a plot. The text is always centered relative to the coordinates. How can I left-align or right-align the text relative to the coordinates? For example: ...
2
votes
1answer
306 views

Shortcut to insert plaintext?

Oftentimes I would find it useful to insert plaintext, to not be evaluated as input, right next to my input code. Is there a shortcut key to insert such a plaintext input box? I have relied on ...
2
votes
1answer
68 views

Is It Possible To Replicate Tab Stop Behaviour (or Even PageFooter Behaviour but in Regular Cell)

I am trying to insert a (text) cell into a notebook that replicates the behaviour of tab stops in MS Word, for example. Put differently, I have two strings and I want the one string to align on the ...
2
votes
0answers
84 views

Exporting large numbers to a text file [duplicate]

I need to export large numbers to an ASCII text file, but as simple digits without powers of ten, e.g. I need to write 123456.789 to the file and not 1.23456789E10^5. It seems like such a simple ...
1
vote
2answers
416 views

Colorful and eyecandy text by Mathematica

I want to present my work somewhere and thus I made a Powerpoint presentation. I am wondering if it is possible to make a colorful and stylish text by MMA. For example at the end of my presentation I ...
1
vote
2answers
106 views

Select record when third column matches certain criterion

I've a table with 3 columns. The table looks like this: ...
1
vote
2answers
104 views

Searching for phrases in a block of text

One could call this a pattern finding question with dictionary (or WolframAlpha) lookup, but let me give you some background first. I have a couple of friends who are trying to improve their English ...
1
vote
1answer
98 views

Extending a grid to avoid line breaks in text

I was wondering what the best way is to extend the cells in a GraphicsGrid so that my text fits without line breaks. My problem is illustrated by the graphic ...
1
vote
3answers
201 views

How to import files with headers?

R has excellent header supports such as read.table with header options. I don't want to mess up with text-processing or stream-processing. I am looking for a similar tool as in R because it saves a ...
1
vote
2answers
97 views

Importing Text file and removing columns [closed]

I have a file that has 7 column but i only want to import two column from it, that is 1st and 3rd column from the file. How can i do that and this is the list for example: ...
1
vote
1answer
65 views

using deletecases for twittermessages using the timestamp

I have a Excelsheet with tweetsmessages. These tweets are all written in Dutch. I would like to analyse these tweets in relation to the timestamp. ...
1
vote
1answer
138 views

Text with specified FontSize looks smaller than expected

The simplest way to see what the post's title is trying to convey is to evaluate: ...
1
vote
1answer
165 views

Spacer and Text in Graphics going Awry (in Mathematica 7)

Use of a vertical Spacer in justified text inside a graphic isn't working as required. The result in the green box looks right, but when this is placed in a ...
1
vote
1answer
558 views

Importing formatted, highlighted text from : HTML vs RTF vs. XML

We would like the ability to import and analyze ASCII documents that have been manually segmented by highlighting and changing font colors of various sections, eg: The original line breaks, ...
1
vote
1answer
179 views

Input text field GUI [duplicate]

Is there a way to input multiple rows of text and save it as a variable? Like an InputField, but with multiple rows? I would like to make a simple text redactor, so that I could enter a text and then ...
1
vote
0answers
46 views

Transforming/exporting text to image

I have a string in a .txt which I process as follow: ...
1
vote
0answers
51 views

Mysterious message posted when I move the cursor in a custom function

I wrote a function called CPlot for complex plotting which is supposed to act a lot like Plot in its input format, but ever ...
1
vote
0answers
70 views

problem exporting eps figures since mathematica 10

I am having trouble when exporting eps figures since I have upgraded to mathematica 10.0 in linux. Basically the text in the frame label and in the frameticks come out bad. The letters are much to ...
1
vote
3answers
184 views

When exporting text, how can I set the line separator?

I want to export a string for a bash script. The terminal is naturally very picky when it comes down to the "\n\r" vs "\n", Windows vs. Linux, new line issue. How can I teach Mathematica to use "\n" ...
1
vote
0answers
58 views

Type Vietnamese in Mathematica

I type Vietnamese using UTF-8 Encoding but Text Display got error. How to type Vietnamese, Chinese in Mathematica. Please help me.
1
vote
0answers
55 views

plot cropped in large amount when setting Text Style to some specific sizes and in some locations

I make a Graphics and then add Text[Style["b",size] to it. When changing the size, I noticed that the overall graphics gets ...
0
votes
2answers
92 views

How to convert cube root of this equation into TeX?

When I solve the equation $$\sqrt[3]{-3 x+6}+\sqrt[3]{2 x+4}+\sqrt[3]{x-10}=0$$ I used ...