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.

Filter by
Sorted by
Tagged with
1
vote
2answers
93 views

Converting Strings to Reals in a List

I am new to Mathematica and working with streamed data: ...
2
votes
1answer
104 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 ...
3
votes
3answers
135 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
50 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
144 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
52 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
303 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
58 views

How to generate non interfering SVGs (Cloud embedded)?

The problem Please run this in the Cloud: ...
3
votes
1answer
44 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
388 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
463 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
71 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
182 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
85 views

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

Is there a way automatically/programmatically convert an org-mode table ...
15
votes
4answers
367 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
161 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
41 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
121 views

ToExpression interpreting typeset strings

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

DateObject granularity conversion

Is there a way to convert the DateObject whose FullForm is: ...
5
votes
2answers
168 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
189 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 *) ...
8
votes
0answers
435 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
61 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
231 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
252 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
294 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
447 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
149 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
60 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
381 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
93 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
89 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
votes
3answers
231 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
75 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
408 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
158 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
193 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
82 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
153 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
120 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
562 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
200 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
votes
1answer
116 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
votes
2answers
325 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
vote
3answers
135 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 ...
0
votes
0answers
459 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
votes
2answers
376 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 $4$ ...

1
2 3 4 5