Questions on changing Mathematica expressions of one type or format to another, for example date formats, Boxes and other typesetting representations, or different units of measurements.

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10
votes
1answer
69 views

Arrows from GraphicsComplex not converted to Normal form correctly

Bug introduced in 7.0 or earlier and persisting through 10.3.1 or later Show @ Graph[{1 -> 2, 2 -> 3}, Frame -> True] Normal @ % Is this a pure bug, ...
5
votes
2answers
80 views

How can DateObject handle calender weeks

I have dates given for a TimeLinePlot. These dates are in {year,week} format. DateObject ...
3
votes
0answers
78 views

WDF specification?

Motivated by a recent question on the meaning of all sorts of W* acronyms, I would like to get more information about the Wolfram Data Framework (WDF). On its web page ...
5
votes
1answer
69 views

Custom rules for expressions in export to HTML(Fragment)

ExportString[Grid[{{a, b}}], "HTMLFragment"] ...
1
vote
0answers
55 views

Convert large KML coordinate datasets to UTM [closed]

I was wondering if there are ways to convert massive amounts of KML coordinates into UTM coordinates using Mathematica. Other programs would also be acceptable. Thanks. I have the KML file from ...
4
votes
1answer
54 views

convert MeijerG to form Standard Functions in Mathematica

I'd like to convert MeijerG[{{}, {1., 1.}}, {{0., 0., 4.}, {}}, -1. T λ] to its Standard Functions (For example Bessel function or ...). Any suggestion?
0
votes
1answer
58 views

Electromagnetism units conversion in Mathematica 10 (possible bug)

Is this a bug in Mathematica 10? Why can't I convert Amps/m to Gauss? ...
5
votes
1answer
117 views

Why Base64 ends with a newline? (\n)

Why everything converted to Base64 has a newline at the end? It isn't one of base characters, is it? ...
3
votes
1answer
66 views

Whitespace is lost during MathML -> XMLElement conversion

ImportString["<mtext> </mtext>", {"MathML", "XMLElement"} ] XMLElement["mtext",{},{}] while I'd expect: ...
2
votes
0answers
85 views

Export Mathematica to $\LaTeX$ properly

I am simply trying to convert an existing sample in Mathematica to $\LaTeX$. For example, if I open a new Mathematica notebook using styled templates such as Journal article and save it as $\TeX$. ...
1
vote
1answer
38 views

FromDigits gives “not a list of digits” error for integer string in StringExpression rule of StringCases

I have large StringExpression that is used in StringCases. Some of the parts being pulled out are integer strings. These pull ...
0
votes
0answers
41 views

Possible bug of Exporting as HTMLFragment at Linux

This is the result of Mathematica 10.0.2 of Linux Version. There are two style inside one tag, and this fragment cannot be Imported as XML by Mathematica. This is the result of Mathematica 10.1 of ...
2
votes
0answers
48 views

How to convert a list of polynomials into a list of equations and plug into Contourplot? [duplicate]

Given a list q of polynomials (output of GroebnerBasis) in two variables I want to transform the list into a list of equations and plug it into CountourPlot. For ...
0
votes
0answers
59 views

Turning Latex into Mathematica code [duplicate]

It is possible to get Mathematica code to Latex alright, but is it possible the other way too, i.e., auto translate Latex back to Mathematica code? If available it could help many users active both ...
5
votes
3answers
230 views

Converting between AbsoluteTime and Unix time

By trial and error, I've found that the following gives the current Unix time: AbsoluteTime[] - UPOCH where UPOCH can be defined in any of the following ways: ...
4
votes
5answers
131 views

How can I convert a Piecewise into a nested If?

For later conversion into a programming language where if is the only conditional construct, I would like to convert a Piecewise ...
3
votes
2answers
148 views

What's real analogue for FromDigits?

FromDigits only works for integer strings. What's its real-number analogue?
3
votes
1answer
79 views

Converting path list to the nested list

I'm trying to convert the plain path list to the nested tree list like the following codes. ...
0
votes
2answers
189 views

Decimal-to-ASCII conversion

I have to write a program that converts a number (decimal notation) to an ASCII string. For example, x = 26728 (or 0x6868) and the string is "hh". I wrote this, but it seems that it is not the ...
3
votes
1answer
140 views

ConversionRules and style inheritance

Take the LaTeX-Article stylesheet stylesheet = FileNameJoin[{"Article","LaTeX-Article.nb"}]; Compare these outputs ...
1
vote
1answer
711 views

Conversion of Sine to Cosine

I'm solving equations with many Cosines and Sines. And I want to convert all the Sines to Cosines using trigonometric formulas such as cos(x)=sin(x+pi/2). How can I do this?
2
votes
2answers
63 views

How do I extract the value of a 'Style'?

I have a Style displaying an underlying Real value. For example I might have ...
6
votes
1answer
82 views

How to replicate v9's color conversion to LAB under v10

Mathematica 10(.0.0) appears to use a different flavor of the LAB color space, but I would like to emulate the same behavior observed in version 9(.0.0). v9 ...
10
votes
4answers
387 views

Built-in way to convert Integer to Ordinal String

Is there a built-in way to convert an integer into its ordinal string representation (as per this page). That is, something akin to ...
0
votes
0answers
36 views

Strange style conversion indicator appeared when type “a Pre”

I got the following strange style conversion indicator when I was typing a Pre(character a and ...
4
votes
2answers
466 views

Conversion of 3D plot to 2D Contour Plot

Is it possible for Mathematica to convert a 3D plot into a 2D contour plot without having to recompute the values for each point? I realize that looking directly down at the 3D plot will be similar to ...
8
votes
3answers
220 views

Incompatibility of Row and TeXForm

Bug introduced in 9.0 and persisting through 10.1.0 or later Update: Since no one has been able to give a reason for this change in behavior or provide a solution I am tagging this as a bug. ...
2
votes
2answers
275 views

Simplify results further

I have an extremely long result in polynomial form following some matrix operations. However, given the symmetry of the problem, I can safely say that the solution will reduce much further than is ...
6
votes
6answers
3k views

Convert a string into a list of numbers

I got the following problem I don't know how to solve or if it's at all possible to solve(I'm quite new to Mathematica and don't have an IT background, so please explain slowly if possible:)) I'm ...
0
votes
1answer
854 views

How to convert sine wave into square wave? (analog to digital signal)

I've got this plot with two sine waves and what I need is follow: Amplitude values can diverge from time to time like here min 100 and max 700 but another time it's 300 600. I guess I will not be ...
1
vote
0answers
118 views

Read in bezier curve from svg file

I am trying to do some calculation of some svg file,After read in with Import["filename","XML"]and some easy operation, I can get the string of the bezier curve, ...
2
votes
1answer
139 views

Convert frequency counts to long notation in Mathematica

I have a series of frequencies of values, e.g. 5 times 1, 10 times 2 and 5 times 3, as in list={{1,5},{2,10},{3,5}} and I would like to convert this to long ...
8
votes
3answers
239 views

Graphics in Notebook Different from Graphics Expression?

Consider the expression TreeForm[a+b^2+c^3+d] which displays as This is a nice Graphics object, as I can prove by typing ...
9
votes
2answers
276 views

Working with Java hashmaps from Mathematica

I'm using J/Link to access data from an external Java program. The data are represented as a ConcurrentHashMap (see the official specification here). ...
1
vote
2answers
507 views

Converting expression into string without evaluating it

How can one convert a Mathematica expression into a string without the expression being evaluated first? I tried using Hold, but it returns ...
6
votes
2answers
2k views

How to convert a string of number into real numbers without precision loss

I searched and did not find similar answers which can resolve the 'no precision loss' issue. A sample string is: ...
0
votes
3answers
207 views

Conversion of binary matrix of mlf into multilinear function, any ready function for this?

I convert here only one term $x_1x_3x_7$ from the binary matrix by first getting the reversed binary 1010001 and then miggling with the data. I know I could convert the columns into binaries and then ...
1
vote
2answers
63 views

How to get monomials multiplied by each other?

Suppose Subscript[x, #] & /@ {1, 3, 7} that returns {x_1,x_3,x_7}. Now how can I get ...
0
votes
1answer
178 views

Old notebook (Version 3) not opening in version 9

I have some old notebook files in version 3 format from the book "Mathematica for Physicists". These files are blank except for the chapter header when opened in Mathematica 9. I have similar ...
1
vote
2answers
83 views

Command to change binary mlf terms into Subscripted mlf terms?

I express multilinear functions in the following format. Is there any ready command to convert them to multilinear functions easily? Input ...
4
votes
3answers
2k views

Convert Integer to Real

Is there a preferred way of converting an Integer to a Real? What I'm using at the moment is ...
3
votes
2answers
419 views

Converting inequalities to intervals

I have an inequality, ie: 1.57116 < g < 14.1405 There will be a large set of similar inequalities, and I want to find the intersection of them all. I figured it would be easier to convert the ...
1
vote
0answers
73 views

Will aliasing the Quantity and UnitConvert functions to “in” and “to” create problems?

It seems that there is a lot of interest in enhancing the use of units in Mathematica; various solutions in the name of brevity, correctness, and general utility have been demonstrated. I've begun ...
7
votes
2answers
260 views

Programatically adding/retaining comments within a nested list

Is it possible to convert the following list of strings to computable numbers with the comments preserved? ...
8
votes
3answers
3k views

Converting Mathematica to $\LaTeX$

Is there a Mathematica-to-$\LaTeX$ converter, so that I can place Mathematica code, including things like A // MatrixForm, just as they are in the console straight ...
1
vote
3answers
152 views

How to convert a spaceless data into tab delimited

I have a data set in form of:(this is just an example) 1324501020 3241030205 4332020134 the data are stored in a text file (e.g. data.txt) but I need to convert ...
0
votes
2answers
166 views

How to get rid of trailing string after using Convert?

Convert[0.05263, Percent] /. Percent -> "%" I would like to remove the trailing "%" but if I put Percent->"" it concatenates a literal empty pair of quotes. ...
5
votes
2answers
296 views

How do I remove the subscript after calling BaseForm[]?

Say I want to convert some number $N$ to base $k$. Here, I might use the command BaseForm[N,k], e.g.,BaseForm[10,...
4
votes
5answers
145 views

Convert a list with three arguments {x0,x1, step} into an equidistant table?

How can I convert a list such as: a = {1, 2, 0.1} into sequence so that I can pass them into a function, e.g. I want to be able to do something like this ...
5
votes
1answer
2k views

Combine multiple PDF files into one document

I have multiple single page PDFs I'd like to join together into a single file. (Obviously I mean the file format and not the probability distributions here!) I'm aware of free online services such as ...