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.

learn more… | top users | synonyms

1
vote
1answer
57 views

How to convert Image3D object into Graphics3D object and vice versa?

There are some rendering options (for example, Lighting) which are associated with the Graphics3D objects. I cannot apply these ...
6
votes
1answer
150 views

How convert old version 2.2 .ma files to .nb notebooks?

I have a lot of old Mathematica version 2.2 .ma files that simply crash the current (10.4.1) version of Mathematica if I try to open them. Is there some way to ...
2
votes
1answer
92 views

Can one prevent $\TeX$ conversion from changing form of expressions?

This is similar to my previous question Can one prevent operators like `Factor` or `Apart` from changing full form of some algebraic expressions? but concerns $\TeX$ and I cannot figure out whether I ...
2
votes
1answer
57 views

$CellContext issue while trying to export the current output of a Manipulate

Having just read this question Getting variables out of Dynamic Modules after restoring the program and the Kuba's answer I'm trying to optimize my workflow. I'm writing a Mathematica notebook to ...
3
votes
1answer
50 views

An issue regarding the use of CopyToClipboard with dynamic content

Please, consider the following code: ...
10
votes
1answer
88 views

Arrows from GraphicsComplex not converted to Normal form correctly

Bug introduced in 7.0 or earlier and persisting through 10.4.0 Show @ Graph[{1 -> 2, 2 -> 3}, Frame -> True] Normal @ % Is this a pure bug, or have ...
5
votes
2answers
96 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
85 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
74 views

Custom rules for expressions in export to HTML(Fragment)

ExportString[Grid[{{a, b}}], "HTMLFragment"] ...
1
vote
0answers
63 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
60 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
66 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
139 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
68 views

Whitespace is lost during MathML -> XMLElement conversion

ImportString["<mtext> </mtext>", {"MathML", "XMLElement"} ] XMLElement["mtext",{},{}] while I'd expect: ...
2
votes
0answers
94 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
40 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
42 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
51 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 ...
5
votes
3answers
268 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
145 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
152 views

What's real analogue for FromDigits?

FromDigits only works for integer strings. What's its real-number analogue?
3
votes
1answer
84 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
200 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
147 views

ConversionRules and style inheritance

Take the LaTeX-Article stylesheet stylesheet = FileNameJoin[{"Article","LaTeX-Article.nb"}]; Compare these outputs ...
1
vote
1answer
2k 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 ...
7
votes
1answer
107 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
400 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
541 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
228 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
292 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
971 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 ...
2
votes
0answers
128 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
142 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
289 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
568 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
192 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 ...
4
votes
3answers
474 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 ...
2
votes
0answers
77 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
263 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
4k 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
157 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 ...