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Converting text file to array

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mukesh bisht
mukesh bisht on 27 Mar 2021
Commented: Dyuman Joshi on 20 Oct 2023
Hi.
I want to convert the text file (file attached below) into array of size 4X6. The array should not include the first row (containing characters).
Please help
  1 Comment
Dyuman Joshi
Dyuman Joshi on 20 Oct 2023
If you have R2019a or later versions, the best approach is to use readmatrix, as Walter has specified.
Otherwise, readtable is the obvious choice.

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Answers (2)

Walter Roberson
Walter Roberson on 20 Oct 2023
format long g
arr = readmatrix("WallContacts.txt")
arr = 4×6
1.0e+00 * -0.00275786 0.24992 0.449027 845.871 0 0 -0.00421111 0.455012 0.190379 1260.68 0 0 -0.00385227 0.775165 0.177235 1166.12 0 0 -0.00300194 0.085385 0.172096 905.685 0 0

Ramtej
Ramtej on 20 Oct 2023
Hi mukesh,
I understand that you are trying to import text file data as an array.
In order to achieve this, you can follow below steps:
  • Since, the data in the text file is in a table format. You can import the data as a table using "readtable" function and perform the desired operation on the table itself.
% import the text file as table
tbl = readtable("WallContacts.txt");
  • Once you have imported the data as a table, you can convert it to an array using "table2array" functions as shown below.
% convert it into multidimensional array or matrix
arr = table2array(tbl);
Hope this resolves you query!!

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