Questions tagged [import]
Questions about getting data, files, images etc. from various formats into a form that can be read, tranformed and manipulated by Mathematica
1,581
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Direct Import Remote File via SSH without Copying in Windows
Is there any option to directly import to a Windows-driven Mathematica kernel a file from a remote server without copying it on hard drive? Right now I'm using ...
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1
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How to read .vtu files?
I see the Import function can import .vtk files. But how about .vtu files? Is there an ...
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3
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How can I import a table from a Wikipedia page?
I'm trying to import this table from a wikipedia page containing the list of lunar missions into a Mathematica as an Association. Here, I'm trying to use the new <...
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Coverting .nb file code content to string type using NotebookImport
For my work I need to import the notebook and get all the contents from the code cell. For this task I chose ...
- 107k
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1
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How to read multiple files from a directory and the text files from those files?
I have the following files names in a directory:
...
- 4,387
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1
answer
87
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How to Convert WLSymbolFactory to Python String?
I'm trying to simulate with python and Mathematica, Python need to generate and save some pictures to the directory of current mma notebook, I know the function that ...
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How to import PDF content with sub/superscripts?
Is there any way to import text containing superscripts in PDFs correctly to plaintext? For example,
...
- 3,583
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41
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How to import huggingface dataset files?
The .hf file from HuggingFace's datasets library is a very popular format: https://github.com/huggingface/datasets. Is there an easy way to import these from either files on disk or their webportal?
- 3,583
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3
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Change a value within a list from a string to number
I have a table with 10 columns. The last column contains a string; e.g.,
"center", "passageway 1", up to "passageway 8".
I want to change the last column so that the ...
- 69.7k
2
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3
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348
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How to remove quotation marks in Table list
I have Import a .txt
Data = Import["files.txt", "Table"];
But the Data ...
- 26.4k
0
votes
1
answer
104
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Removing empty values after importing CSV file
I am trying to import a CSV file with the following structure:
the 1st column has 15 values,
the 2nd column has 10 values,
and 3rd column has 15 values.
But when I import and try to access the 2nd ...
CommunityBot
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0
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45
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Unable to import mp4 video file
I'm running Mathematica 14.0 on a 2021 MacBook Pro (Apple M1 Max chip with 64 GB memory). I'm attempting to import an mp4 video file using the Import command. The code runs and produces a video window ...
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36
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Mathematica Import and orphaned file
I am having trouble with the orphaned files in the cluster.
I am using Mathematica in the supercomputer cluster for some reason. I am producing orphaned files, which means that the files are deleted ...
- 2,446
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41
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Problem Formatting Imported URL Plaintext
I created a simple Wolfram Cloud API that Imports[] a URL and returns the Plaintext:
...
- 699
2
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1
answer
159
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Trouble when attempting to import a dat resource
I am trying to import the "Patient Medical Data for Novel Coronavirus COVID-19" dataset from the Wolfram Data Repository, but when I import, it shows me just 427036 results instead of the ...
CommunityBot
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2
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2
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139
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Failed to retrieve raw data from importing InterpolatingFunction derived from NDSolve
I tried numerically solving a set of time-dependent PDEs with variables {u, v, w} by NDSolve over 2 regions with 2D grids, ...
- 39.8k
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1
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Having issues creating rules from a CSV import
I'm importing a CSV file with two columns. I've done this with other files, but this one is causing issues when trying to create rules to associate IDs with the titles. Here's a sample of the ...
CommunityBot
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6
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1
answer
894
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How to Export to/Import from GeoGebra?
I'd like to convert geometric figures between Mathematica and GeoGebra.
Does anyone know how to do that?
CommunityBot
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1
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Importing a matrix from a text file
I have a $4 \times N$ matrix in a .txt file of the form:
-17.071 137.567 16.554 0.65
-16.873 136.138 16.934 0.7
-15.397 135.738 16.894 0.7
-14.7 135.982 15.9 0.6
...
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1
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199
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Unable to operate on the table imported from .mx file
I saved a table by exporting it to .mx file. Now, when I import it back, it gives me the desired output.
So, to work with elements of the table, I first define the imported table as (...
CommunityBot
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1
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1
answer
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Historical data of financial funds
I would like to obtain the historical data of some funds, of which I know the ISIN code. Is there any way to do this with mathematica?
For example, this fund here:
https://markets.ft.com/data/funds/...
CommunityBot
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4
votes
5
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193
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How to extract data depending on position of first zero?
I have a file (attached as an image) which I imported to Mathematica and only extracted the first and second column. My problem is that I want to extract the data beginning from the row where $A=0$.
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Importing equations with subscripts from LaTeX and solving them [closed]
Here is a simple system of equations, copied from LaTeX:
...
- 24.8k
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0
answers
35
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4
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1
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189
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How to import actual data rather than formatted data from google sheets?
I have data in my google sheets which is extracted using:
...
CommunityBot
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8
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2
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How to import a Microsoft Word document into Mathematica?
I have a Microsoft Word document in DOCX format. I need to import it into Mathematica as a String preserving all formatting (font, size, bold/italic style, colors, ...
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How to Parse Binary .STL File Created on Ancient 32-bit Architecture
Import[fileName,"STL"] returns $Failed
The file format is so simple that one can calculate the number of triangles in the file
by counting the number of BinaryReads to reach EndOfFile.
https:...
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0
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60
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Speed limitations when importing files from .zip archive
I have .m files with a total size of ~500 MB. Their import is really fast, within less than 1 second. In contrast, I may pack them into a .zip archive. The importing then is much slower, ~20 s. ...
- 5,733
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1
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118
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Generate the full mesh of the room model
I want to import a 3d model to create a complete mesh of an interior model.
...
- 39.8k
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3
answers
153
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Converting Wolfram Language Scripts (.wls) into PDFs
I have just discovered the free (as in free beer) Wolfram Engine, coming with a generous licence. After playing with Mathematica for a while, and missing the notebook feature, I would like to generate ...
- 111
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0
answers
68
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Extracting tables from .pdf
Can we construct some automated method for extracting tables from pdfs?
I can get decently far by just copy and pasting its content and splitting at newlines but it would be great if it was possible ...
- 4,429
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2
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78
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3
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87
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Convert a string with $N^2$ entries to a rank-$N$ matrix
Suppose we are given a set of numeral data like a string that consists of $N^2$ entries, say $N$ is very large (here $N=8$ for simplicity, but $N$ can be $10^8$...)
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- 3,728
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645
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How to use RunProcess to import external function?
I have a functions written in an external language called GO. How can I quickly load them into the kernel for use as Mathematica functions?
The two ways I've tried are with MathLink and LibraryLink ...
- 9,868
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67
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Download html file
I want to download the data found on the following page and I am unable to do so.
https://resultados.admision.uni.edu.pe/ep1.html
I have already tried all the options I find in Mathematica but I can't ...
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85
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How to faithfully import all the colour schemes of a Mathamatica SphericalPlot3D into SolidWorks?
Say that we have a list of tuples called "data", where
...
- 121
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RawJSON vs JSON format
It has been very recently, since the release of version 10.3.0 I think, that Import/Export and ImportString/ExportString functions accept a format parameter with the value of "RawJSON".
The ...
Kuba♦
- 137k
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How can I extract data points from a black and white image?
Consider the following graph (source):
Is there any way to extract the data points from this image in a semi-automatic way? I have seen, and tried the methods suggested in this question, but they did ...
- 65.8k
4
votes
1
answer
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Chemdraw (CDX) import fails to yield complete molecules for implicit alkyl chains
Mathematica has supported Chemdraw file (CDX) import since 12.1. However, there appear to be an error when side chains are defined in an abbreviated fashion (as is common in organic chemistry):
...
- 3,356
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119
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0
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How to import and export on Wolfram Cloud?
I created a CDF document that imports images and exports output results.
...
- 1,688
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0
answers
74
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Why does the string "\" prevent a graph6 string conversion to a graph?
I input the graph6 string ...
- 2,029
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0
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58
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Importing SVG files
I would like to import a bunch of SVG files to my notebook.
In my attempt to do so, I have used
ResourceFunction["SVGImport"][svgfile];
where "...
- 1,043
1
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0
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94
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Importing data from NASA CDF files using Mathematica
At the outset, I would like to emphasize that I do not have any expertise in loading CDF data files in Mathematica.
Usually, in MATLAB the CDF files can be viewed and loaded with the help of commands ...
- 303
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0
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107
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Don't understand reason for "Incomplete expression; more input is needed" message
I am exporting expressions created in MathType to Mathematica, by copying from the MT screen and using the TraditionalForm[] command. I am getting the "Incomplete expression" error message ...
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2
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104
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How to import many Images in Mathematica?
I have 150 images that I want to import into the Mathematica, and process. I use this code but I get errors. I ran the example for three images.
...
- 236k
2
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2
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111
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Automate Import of files
I have a Directory where I store a number of files of the same type (eg .txt). They contain tabled numeric values.
I would like to write a routine to import them automatically and store them in a ...
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How to get a dataset from GitHub?
I want to use the dataset on https://quickdraw.withgoogle.com/data
And the dataset is published on GitHub at the following address.
https://github.com/googlecreativelab/quickdraw-dataset
I want to ...
- 1,688
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2
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407
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Can I read Chinese characters with ReadList correctly?
Just try this example:
Export["a.txt", "这乱码问题该怎么解决呢\n***\n怎么解决嘛"]
ReadList["a.txt", Record]
...
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How to make lists all the same length by automatically removing every second element?
I have 20 files of matrices which all contain the same kind of data. I can import and take the single column I need out of every file into a list. I need to average each of the 20 file's lists ...
CommunityBot
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