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.
246
questions
3
votes
1
answer
153
views
Convert black and white pictures into color images
I have a digital image of an old black and white picture. Is it possible, using Mathematica, to convert this old picture into a black and white image? For example:
This transformation was done using ...
- 2,615
0
votes
2
answers
98
views
Is there a way to convert a high precision value to its digits?
Is there a way to convert a number like 2.5326384172870370602159219766864657866396178797`20.124930050805514*^-12 to a high precision integer?
Mathematica gives me only 20 digits with ...
2
votes
1
answer
126
views
Convert R code to Mathematica code of Poisson log-likelihood for the epidemic curve
I want to define a function that simulates the model for a given combination of parameters and calculates the Poisson log-likelihood for the epidemic curve of reported cases:
...
1
vote
0
answers
59
views
Byte array to String with no internal processing, e.g. 𓃰
UTF8 defines a way to map from bytes to glyphs. In particular, glyphs with code <128 can be 1 byte, glyphs with code <2048 can be 2 bytes, etc. up to 4 bytes. For instance, the white queen <...
- 3,897
2
votes
2
answers
56
views
ToPolarCoordinates not working with units
I am trying to convert some quantities with units from rectangular to polar coordinates (to get the magnitude and angle). It seems that ToPolarCoordinates command does not calculate the angle when ...
- 129
2
votes
1
answer
69
views
Period to comma TexForm conversion
How can we instead of having a period as a decimal seperator have a comma when using a TeXForm conversion in Mathematica?
Example:
...
- 21
10
votes
1
answer
347
views
How to convert a Markdown file into a Mathematica notebook
How to convert a Markdown file (or text) into a Mathematica notebook?
For example, easy conversion of comprehensive MSE posts is desirable.
Possible approaches ordered according to their convenience:
...
- 37.5k
3
votes
1
answer
63
views
Converting ViewPoint and ViewCenter to ViewVector
In the documentation about ViewPoint in the section "Properties & Relations" we can read:
"Convert ViewPoint to ViewVector by multiplying the length and
pointing the center:"
...
- 9,653
2
votes
0
answers
53
views
BoundaryDiscretizeGraphics for exotic unicode glyphs
This code works
BoundaryDiscretizeGraphics[Text@"\[WolframLanguageLogoCircle]\[WolframLanguageLogo]", _Text]
But for more exotic characters, it produces ...
- 3,897
9
votes
3
answers
1k
views
Convert four bytes to IEEE 754 float
I have some bytes, say bytes=ByteArray@{189,178,61,188}, read from a file with Import[...,"Byte"]. The big endian ...
- 3,897
13
votes
1
answer
307
views
How to convert the ListVector into PackedArray in FunctionCompile
Cross post here
I have a compile function cf to calculate the mean for a ragged list:
...
- 26.3k
6
votes
1
answer
278
views
Convert interpolating function to a Bezier curve
I've been wondering, is there a way to convert an interpolation into a sequence of BezierCurve objects that form each step in the interpolation?
There is an easy ...
- 233k
5
votes
2
answers
223
views
Why does polygon2FilledCurve not work here?
From my previous thread where @Alexey Popkov proposed polygon2FilledCurve to remove the outline when exporting to PDF. Now I'm trying to apply that to this but it ...
- 2,688
12
votes
2
answers
595
views
How to convert Unicode to Chinese
I want
"\u5b66\u6821\u73b0\u6709\u5728\u6821\u5b66\u751f25000\u4f59\u4eba\u\ ff0c\u73b0\u5f00\u8bbe30\u4e2a\u672c\u79d1\u4e13\u4e1a"
to
...
- 185
5
votes
1
answer
131
views
Modify StandardForm of E
StandardForm of E is \[ExponentialE], can we modify it to something else?
I thought I could ...
- 63.4k
11
votes
1
answer
317
views
What is idiomatic way to extract NumericArray from Image?
It is easy to see that NumericArray is a construct underlying Image:
...
- 61.4k
4
votes
2
answers
87
views
Format Time Reported by AbsoluteTiming
I am trying to format the timing reported by AbsoluteTiming so that it states the hours minutes and seconds of the result. However, probably because ...
- 1,951
0
votes
0
answers
75
views
Real to IEEE 754 not working for values -1<x<1
I have written a Module that takes a real number and returns the IEEE 754 floating point binary equivalent. It works fine for values above |1|, but I cannot get it to work for inputs less than |1|.
<...
- 65
5
votes
2
answers
334
views
Exporting data from a simply generated interpolating function
The question referenced in the link here has a title that matches my question, but the discussion is very complex and does not seem to address my issue. I have solved a partial differential equation ...
- 153
1
vote
3
answers
113
views
Converting Binary Values to Points [closed]
I searched a lot for this question but couldn't find a similar question.
How can I convert my binary values to points. The output of the code I wrote is below, I wrote my expectation also below.
...
- 113
0
votes
1
answer
47
views
How do I get 3 digits binary after calling BaseForm or IntegerDigits [duplicate]
Let's say I have a list called 'solution', I'm converting these numbers into binary form
...
- 113
6
votes
1
answer
200
views
How to recover these TemplateBox into normal form?
I often use $\TeX$ editor by Insert→Inline TeX Input in PlotLabel to label graphics:
I will get a well-formed plot label:
But when I Copy As Input Text and paste ...
- 26.3k
15
votes
1
answer
469
views
Wrong Graphics coordinate system after Image to Graphics conversion
Bug introduced in 12.3 or earlier and persisting through 13.3.1 [CASE:4896512]
If I upload this image (originally this img was generated by ...
- 26.3k
1
vote
2
answers
117
views
How can I convert dot product into Latex code without dot?
Recently I need to convert a lot of expressions containing dot products into Latex code. To my annoyance, the mathematica system will always leave literal dots (".") in the latex code, but ...
- 473
3
votes
1
answer
89
views
Normal not working with Translate and some Graphics object [duplicate]
in v13, Normal doesn't seem to work with Translate and some Graphics objects like Rectangle ...
- 15.1k
3
votes
0
answers
79
views
How to convert Graph atomic object back into unevaluated expression? [duplicate]
For the purposes of further development of my shortInputForm function, I wish to convert Atomic objects such as Graph into non-...
- 61.4k
3
votes
3
answers
224
views
How to obtain a 3D matrix from Graphics3D?
I have a capillary system and I want to convert this into a numeric matrix. My aim is to create a matrix with NxNxN dimensions of 1's and 0's where the 0's represent the capillary and the 1's ...
- 1,335
3
votes
3
answers
160
views
Exporting CSVs of UTM coordinates. How to stop northing exporting in scientific notation?
I need to batch convert a folder of CSVs containing UTM coordinates from GDA94 to GDA2020.
Sample data below:
Copyable form:
...
- 31
-1
votes
1
answer
119
views
Conversion code Mathematica 5.0 to Matlab [closed]
How to convert the following Mathematica code into Matlab?
What is the corresponding Matlab code?
...
- 11
2
votes
1
answer
126
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:
...
- 133
7
votes
1
answer
731
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:
...
- 857
7
votes
1
answer
191
views
Interpreting traditional math
There are two ways (afaik) to parse traditional math string to an expression:
...
Kuba♦
- 136k
2
votes
2
answers
158
views
Converting Strings to Reals in a List
I am new to Mathematica and working with streamed data:
...
- 89
2
votes
1
answer
210
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
...
- 1,592
4
votes
3
answers
284
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....
- 2,704
0
votes
2
answers
145
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....
- 7
3
votes
1
answer
188
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 ...
- 2,335
1
vote
1
answer
92
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
...
- 2,335
1
vote
0
answers
292
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
...
- 691
3
votes
3
answers
743
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 $...
- 153
3
votes
1
answer
73
views
How to generate non interfering SVGs (Cloud embedded)?
The problem
Please run this in the Cloud:
...
Kuba♦
- 136k
3
votes
1
answer
68
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 ...
Kuba♦
- 136k
6
votes
3
answers
537
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 ...
- 39.9k
4
votes
5
answers
2k
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}
...
- 2,356
3
votes
0
answers
96
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 ...
- 61.4k
2
votes
1
answer
638
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:
...
- 1,651
3
votes
1
answer
157
views
Converting Emacs Org-Mode Table to Mathematica Datastructure(s)?
Is there a way automatically/programmatically convert an org-mode table
...
- 3,115
17
votes
5
answers
811
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 ...
- 683
4
votes
3
answers
300
views
Converting between XML and JSON?
I can't seem to find a way to convert between an XML string and RawJSON:
...
- 31.2k
2
votes
1
answer
58
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 ...
- 1,471