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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Conversion from Maxima (Mathematica) to python [migrated]

Did you know the script (program) that converts the code of Maxima (mathematical formula processing software) to Python? Does Maxima have the ability to convert to Fortran? Since the formula ...
4
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5answers
227 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} ...
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0answers
57 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
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1answer
101 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
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1answer
45 views

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

Is there a way automatically/programmatically convert an org-mode table ...
14
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4answers
267 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
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3answers
111 views

Converting between XML and JSON?

I can't seem to find a way to convert between an XML string and RawJSON: ...
1
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1answer
33 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 ...
1
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1answer
102 views

ToExpression interpreting typeset strings

Restatement of question, including code. ...
8
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1answer
100 views

DateObject granularity conversion

Is there a way to convert the DateObject whose FullForm is: ...
5
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2answers
151 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
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1answer
145 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 *) ...
3
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0answers
160 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?
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1answer
51 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
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1answer
128 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
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3answers
208 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 ...
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0answers
23 views

Export HTML + MathML is skipping some math. Why? How to fix?

Using Mathematica's HTML export feature with MathML often skips some expressions, instead rendering them as plain HTML instead of MathML. Probably, in the options there is a way to force it, but how? ...
9
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4answers
253 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
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3answers
412 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
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1answer
110 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 ...
3
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0answers
39 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
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1answer
83 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 ...
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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
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1answer
63 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') ...
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0answers
35 views

Programmatically get InputText of box structure without spaces

I am looking for a way to get something similar to the "Input Text" form of an arbitrary box structure, but without the extra whitespaces. Before I explain the requirements in a bit more detail, let'...
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0answers
74 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....
5
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3answers
163 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
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1answer
64 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: ...
2
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1answer
399 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
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0answers
122 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
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1answer
145 views

Convert ASCII Characters to Mathematica Input Form

I have the following pure ASCII character list: ...
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1answer
50 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
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1answer
73 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
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1answer
113 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
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3answers
103 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+ ...
5
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6answers
298 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
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1answer
115 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) ...
2
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1answer
105 views

TeXForm of symbols

For reasons unknown, TeXForm seems to produce different results when acting on symbols that are one character long versus longer characters: ...
4
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2answers
211 views

How can I plot the price of Bitcoin since last week?

What is the best way to plot the price AND volume of Bitcoin (or any other currency) in USD for the past week/month/year? Is it a good idea to use CurrencyConvert? ...
1
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3answers
128 views

Multiplying quantities by scalars in Mathematica 11.3

I'm no longer able to multiply scalars by quantities in Mathematica 11.3. In previous versions the code 3*Quantity[1, "mm"] evaluated to ...
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0answers
289 views

Convert Mathematica Code to R Code

I would like to convert Mathematica code to R code. For example, 4/(-1 + δ) + (-1 + δ) Subscript[P, R] The above is a copy version from Matematica. But I would ...
2
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2answers
201 views

Extraction of array from NDSolve output

I have got a system of differential equations. The system has $4$ variables. I am trying to plot trajectory of a particle outside a Kerr Black Hole. I have used Mathematica to calculate all the $4$ ...
10
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2answers
236 views

Schrödinger's MatrixForm: feature or bug?

Recently I noticed a peculiar behavior of MatrixForm that I failed to find a way to explain. Consider the following example: ...
4
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1answer
134 views

The algorithm behind InputForm for machine numbers

There are several questions on this site about implementing fast CSV/TSV export for machine numbers without loss of precision. Recently I discovered that Export ...
5
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1answer
85 views

Convert a numerical expression to words

I would like to convert algebraic sums of the form 8+1-3 into words, obtaining "eight plus one minus three". I have tried using ...
13
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1answer
220 views

Safe alternatives to ToExpression

Background Conversion from string/boxes to expression is quite common. Very often the goal would be a simple switch from "1" to ...
1
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1answer
60 views

How to convert cdf to stl format

I have the CDF version of the file that i need to 3D print, and because it wont let me convert to an STL format the normal way, how can i convert it.Is there a format i can convert it to, then open it ...
7
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2answers
241 views

How to convert dayname to number?

When I input DayName[{2012,12,24}] I get Monday as output. What is the most effective way to convert Monday into 1, Tuesday into ...
1
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1answer
72 views

Is there a function to convert an English description to an expression?

I know I can write: SpokenString[a + b^2] And then obtain as output: "a plus b squared" What about the opposite, something ...
4
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1answer
55 views

Unable to convert degree to number in LatitudeLongitude and “City” Entity

I am trying to convert degree to number for some mathematical transformation. Taking London as an example, the following codes can convert the degree into a number without any problems: Codes that ...

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