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.
250
questions
3
votes
3
answers
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Mathematica misinterprets $\LaTeX$ equation, mistakes product as function call
I am trying to import a $\LaTeX$ equation into Mathematica. I called ToExpression[expression,TeXForm], which works for the most part, but sometimes it interprets ...
0
votes
2
answers
91
views
Is it possible to have ToString operate on an expression containing Prefix (@) ? for example exp = [email protected]
ToString[exp] results in the string form of the evaluated form of exp when exp contains Prefix (@), such as when exp is an email address. How can such an expression be converted to a string?
6
votes
1
answer
139
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Help in understanding the evaluation inside Plot
My colleague sent me this surprising example of code today (this is after stripping everything unrelated to the evaluation):
...
- 544
1
vote
0
answers
59
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A cryptic message when converting a Graph to Graphics
In Mathematica 13.3 (Windows 11) I do
Graph[{1, 2}, 1 \[UndirectedEdge] 2]
then right-click on the result and choose "Convert To Graphics" from the menu ...
- 2,076
3
votes
1
answer
196
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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 ...
- 2,855
0
votes
2
answers
104
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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
141
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
71
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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 <...
- 3,966
2
votes
2
answers
60
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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
87
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
410
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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:
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- 37.9k
3
votes
1
answer
68
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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:"
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- 20.1k
2
votes
0
answers
59
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BoundaryDiscretizeGraphics for exotic unicode glyphs
This code works
BoundaryDiscretizeGraphics[Text@"\[WolframLanguageLogoCircle]\[WolframLanguageLogo]", _Text]
But for more exotic characters, it produces ...
- 3,966
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 ...
- 3,966
13
votes
1
answer
321
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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:
...
- 26.9k