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

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Control interpretation by Import

When I Import an Excel file, sometimes Mathematica interprets the dates as DateObjects, and sometimes it doesn't. How can I ...
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55 views

How can I speed up import images into memory and make training more efficient

My memory is 32GB, windows 10, cpu 7700k, GTX1080 50k images[400MB] cost me 30 minutes. In a CAPTCHA example, a simple net and in tunning hyper-parameters step with small values of MaxTrainingRounds, ...
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Storing import / export formats for automatic loading

So for dredging stuff out of symbol definitions for looking at this comment I found there's this: ...
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Problems with Importing a pdf from an url

I have to process a lot of information from different pdf. I already have the code to download all the files, but i'm stuck in the part where i have to open the files with "Import". For example: http:...
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Problem importing Matlab data

I saved a matlab file with csvwrite command and the import it in mathematica as energ = Import["E.dat"] but then I get as the output: {{0.1}, {0.2}, {0.3}, {0.4}, {0.5}, {0.6} ... Instead of {0.1, ...
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How to interpreter file into date and json?

I have DateAndJson.txt and want to analyse it. ...
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117 views

Import audio of a video

I recorded some videos with my webcam using QuickTime and imported the .mov files as an ImageList into MMA using Import which supports QuickTime Version 7 and earlier. The question is how do I get the ...
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134 views

Import MDB in ZIP as ASSOCIATION

I have a zip file which contains an access database file (mdb format). How do I extract the database and the headers and convert them to association format? I know the command for doing that ...
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66 views

load NOAA ENC s-57 chart?

Is it possible to load a NOAA ENC s-57 formatted nautical chart into MMA 9.x? Particularly in MMA9.x within the MAC OS? -There does not appear to be any discussion of importing nautical charts into ...
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631 views

How to prevent space trimming when importing HTML with ImportString?

I am importing a HTML-formatted string with ImportString[string, "HTML"] to properly parse all HTML-escaped characters like ...
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436 views

Automatic import of Maple expressions into Mathematica using MathML

I'm would like to automate a process so as to convert Maple expression into Mathematica expression. For the moment, thanks to the function ...
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96 views

How to import (from a table file) only rows with a specific element in a given position using Import?

I have a large file containing a table. To be specific, the table columns are aligned by spaces, and the rows are terminated by newlines. I want to import only specific rows from this table. For ...
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187 views

importing a file with asterisk in its name (Linux machines)

I am trying to import a file: ...
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62 views

Performing a nonlinear fit from data imported from a text file

I have a text file data that I imported and I want to fit it with a given equation. I tried to fit but it did not work and gives Here is my code: ...
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88 views

Importing a file inside Zip with OpenRead

How do I import a text file that is compressed inside a .Zip file using OpenRead? I know how to do it using Import ...
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483 views

Exporting 3D-plot from Mathematica in any file format, and importing to plot with Matlab

I wish to know how I can export a 3D-plot from Mathematica in a file format (e.g. ".dat"), and import it later with Matlab to generate the plot therein. In fact I have successfully achieved the ...
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94 views

How to construct a matrix composed of a subset of column of multiple .cvs files

Suppose I have a lot of .cvs files in a directory. All have the same structure and the first column is a column of dates --- their length is not necessarily equal. For instance, say I have two files ...
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375 views

How to get data from Histogram (HistogramList) for making plot?

I have a data I need to calculate the probability of the second column of my data in different bins and then getting(-LOG) from this probability and plot with the each bin related to it. my data is ...