Questions tagged [conversion]

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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2
votes
2answers
129 views

Convert image of roads to 3D graphics

I have images like this: and I want to convert those lines to 3D graphics so I can export it as OBJ or STL. My best attempt has been by using MorphologicalGraph (following this post) and doing: ...
2
votes
1answer
113 views

Python to Mathematica code bug

I have an assignment in Mathematica, which I've already solved using Python and it's a bit hard to convert the code. Here's what I have done so far: ...
6
votes
1answer
66 views

Convert ByteArray to integer and real values

during the import of a complex file format I handle ByteArray or lists of byte values. While I can easy transform them from one type to each other: ...
7
votes
1answer
163 views

Interpreting traditional math

There are two ways (afaik) to parse traditional math string to an expression: ...
0
votes
0answers
69 views

Can Mathematica convert a picture with formula to latex?

Is there such a package or codes that can convert the formula in the picture into LATEX code? Just like Mathpix
2
votes
2answers
113 views

Converting Strings to Reals in a List

I am new to Mathematica and working with streamed data: ...
2
votes
1answer
112 views

Is it possible to convert a matrix in $\LaTeX$ format to Mathematica input? [duplicate]

Is it possible to do this already in version 11.3? For example, I want to draw a graph ...
4
votes
3answers
143 views

How to convert a real number to a string only in the original length?

Example: I have this number num = 2.9525730420542016*10^1798 (* 2.952573042054202*10^1798 *) If I want to convert it to a string, I don't get "2....
0
votes
2answers
71 views

Convert GiNaC harmonic polylogarithms to HPL packages' notation in Mathematica

A general output from GiNaC (https://www.ginac.de/) of harmonic polylogarithms is H(a,b,c...,x). We want to convert it to Mathematica format (https://www.physik....
2
votes
1answer
148 views

How do I suppress an automatic sign change? II

Let me be try to be highly specific, as my previous attempt How do I suppress an automatic sign change? to pose the question initially had a sign error, and perhaps became a little muddled. In the ...
1
vote
1answer
89 views

How do I suppress an automatic sign change?

In a comment on the answer of user JimB to Evaluate a certain three-dimensional constrained integral , I remarked "I have a integration limit transformation rule of the form ...
1
vote
0answers
65 views

How can I convert a list of rules into a list of equations? [closed]

How can I convert a list of solutions to a list of equations? For example, say I have: sol = {{a->1},{b->2}} and I would like to change it to ...
3
votes
3answers
380 views

Changing value of specific element in an array. (Converting code from MATLAB to Mathematica)

Can we change the value of a specific element of an array in Mathematica? Basically, I have the following given MATLAB script which writes a big 3N-by-3N matrix $h$ by combining two 3-by-3 matrices $...
3
votes
1answer
60 views

How to generate non interfering SVGs (Cloud embedded)?

The problem Please run this in the Cloud: ...
3
votes
1answer
46 views

How to exclude annotation encoding='Mathematica' from generated MathML?

I do not see how to remove <annotation encoding='Mathematica' from generated MathML. Afaict it is not needed for a one way conversion and it often doubles the ...
6
votes
3answers
398 views

Convert Fortran-like number form to traditional number form

What is the most elegant way to convert arbitrary numbers written as (verbatim): 1.13903 e - 08 into traditional Mathematica number form without having to ...
3
votes
5answers
643 views

Convert decimal value to hexadecimal

How can I convert for example 62343 to a hexadecimal value 45 to a hexadecimal value ? I see I can use: IntegerDigits[62343, 16] = {15, 3, 8, 7} ...
3
votes
0answers
75 views

Is it possible to turn “FunctionResource” Notebook into ResourceObject or registered LocalObject without FrontEnd?

TL;DR The problem boils down to how to convert a correctly prepared submission Notebook into a ResourceObject suitable for ...
2
votes
1answer
223 views

Convert Wolfram code into C language [closed]

Here is my Mathematica code: f[x_] := x^2 + 4 x + 4; Solve[f[x] == 9, x] I tried to convert it to C but failed. Here is the code for conversion: ...
3
votes
1answer
99 views

Converting Emacs Org-Mode Table to Mathematica Datastructure(s)?

Is there a way automatically/programmatically convert an org-mode table ...
15
votes
4answers
417 views

How to convert this term to a Hypergeometric function?

term=8*(-1)^(1/4)*Sqrt[b]*q0^(3/2)*\[Kappa]* EllipticF[I*ArcSinh[((-1)^(1/4)*Sqrt[b]*r)/Sqrt[q0]], -1] This is a physical term and it is not convenient to appear ...
4
votes
3answers
186 views

Converting between XML and JSON?

I can't seem to find a way to convert between an XML string and RawJSON: ...
1
vote
1answer
42 views

StandardForm to Infix form conversion is working but Infix to StandardForm not working. Why?

I have a function f1 with three inputs: x1,y1,z1. I have ...
2
votes
1answer
124 views

ToExpression interpreting typeset strings

Restatement of question, including code. ...
8
votes
1answer
129 views

DateObject granularity conversion

Is there a way to convert the DateObject whose FullForm is: ...
5
votes
2answers
174 views

Convert String to Integer from a huge string database in a very fast way?

I have a huge string database with the form such as {{position},{1,2,3,4,5,..}}, and I want to convert such database to Interger data in a very quick way. In the following example, I created a ...
2
votes
1answer
204 views

Is NumberForm double rounding numbers?

A number like 0.644696875 is represented internally as 0.6446968749999...: N[FromDigits[RealDigits[0.644696875, 2], 2], $MachinePrecision] (* 0.6446968749999999 *) ...
9
votes
0answers
510 views

Notebook (.nb) → Jupyter (.ipynb) conversion without Mathematica?

Is there a way to convert Mathematica Notebook files (.nb) to Jupyter files (.ipynb) without using Mathematica?Is there a free online utility or other piece of software that can do this?
1
vote
1answer
65 views

Convert string to conditional operator

I have a RadioButtonBar with a selection x = None; {RadioButtonBar[Dynamic[x], {lt, le, eq, gt, ge}], Dynamic[x]} Once a radio button is selected, I would like ...
8
votes
1answer
286 views

Errors in converting LaTeX using ToExpression

I am trying to write a function which takes Maple Latex generated, feed it to Mathematica, use ToExpression then convert it back to Latex. This is because ...
5
votes
3answers
269 views

Convert graph format for Mathematica graph functions

I have an output of many large graph files, specified by pair of vertices, in a format like ...
9
votes
4answers
322 views

How can one convert an expression to a string while keeping the quotation marks of strings that are part of the expression?

How can I for example convert {"a","b"} to "{\"a\",\"b\"}", so keeping the quotations marks.? I tried ...
9
votes
3answers
459 views

Create Array from list of indices/values

Is there is a performat way to convert something like {{0,0},a},{{0,1},c},{{1,0},d},{{1,1},e} into {{a,b},{c,d}} The ...
6
votes
1answer
161 views

TeXForm doesn't work in wolframscript?

Consider that $ wolframscript -cloud -code 'TeXForm[ (d u)/(d t)]' TeXForm[u/t] yet I don't have a local wolframscript kernel installed. Is this something ...
4
votes
0answers
65 views

Efficient conversion of a ByteArray object into a hexadecimal string

What is the best way to convert ByteArray objects into hexadecimal string representation? Although the following works, I find it questionably awkward (and likely ...
0
votes
1answer
507 views

How do I treat polynomials as vectors?

From time to time I find myself in the following situation. I have generated a list of polynomials from some ring $R=\mathbb R[x_1,\ldots,x_n]$ and now I wish to view these polynomials as vectors in ...
0
votes
0answers
42 views

How to convert {x -> 4} to simply 4? [duplicate]

I am using the Solve function to obtain two solutions for a quadratic, then I want to use those two solutions as input for something else but I can't because they are in the form of (x->number} ...
1
vote
1answer
104 views

How to encode the character into UTF-8?

As we know the café is caf\xc3\xa9 after encode by UTF8: >>> 'café'.encode('utf8') ...
0
votes
0answers
103 views

A way to calculate colour from wavelength?

I'm trying to create a script taking my experimental values of measured radiance and turn it into xyz and rgb colour values. I import table with colour matching functions from here -http://cvrl.ucl.ac....
6
votes
3answers
272 views

Specify set of base units to use in UnitConvert

I am trying to convert arbitrary units to CGS. I know this can get a bit tricky with ESU, but for this question that does not need to be addressed. What I would like to do is to give a quantity-to-...
4
votes
1answer
82 views

Is there any way to turn Labeled[…] into graphics primitives?

I have asked a similar question before. In that question I pointed out that the following code does not work: ...
1
vote
1answer
410 views

Converting built-in Mathematica symbol to C [closed]

I am trying to convert my Mathematica code to C since it can sometimes takes the Mathematica code quite a while to execute since the arrival times lists are hundreds of thousands of counts long, and ...
0
votes
0answers
167 views

How to extract the code from a cdf file? [duplicate]

I have several CDFs, and these bring interactive drawings with functions, how can I extract the code that generates them? I have tried to follow some previous answers but it does not work for me, it ...
2
votes
1answer
207 views

Convert ASCII Characters to Mathematica Input Form

I have the following pure ASCII character list: ...
1
vote
1answer
51 views

Convert Part of Subscript Files to Math Form

I have french subscript file here: https://uploadfiles.io/iehon If you download it an open it with Word, you can see that the math sections are but between $<i>$ and <\i>: To import the ...
2
votes
1answer
95 views

Convert RotationMatrix to RotationTransform

Is it possible to convert RotationMatrix to RotationTransform ? I guess it should exist a function to do this Thank you for ...
4
votes
1answer
160 views

Problem using UnitConvert

As we know in physics, power = torque * (angular velocity). But when I use UnitConvert to convert a quantity expressing power/(angular velocity) into newton-meters, ...
1
vote
3answers
126 views

How to convert DateList format to standard SQL format?

I have a date in standard SQL format YYYY-MM-DD HH:MM:SS.xx, where the xx are hundredths of seconds: x = 2016-05-30 11:58:46.84 I have a file with 200,000+ ...
6
votes
6answers
700 views

How to convert a list of digits to a string in Mathematica

I want to convert a list of digits to a string, for example from {1,2,3,4,5}, I want to get the string 12345. The following will work as long as the list does not ...
4
votes
1answer
220 views

Points in CIE Lab color space

The following points are Lab values (CIELAB color space) points={{46.76, 34.51, 17.08}, {43.51, 34.83, 15.7}, {45.49, 32.92, 15.24}} what I would like to do is a) ...

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