How to Swap Column according to odd/even numbers?

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Hi everyone, I would like to arrange my column according to odd and even numbers. Example data is shown below, I want to arrange column 1(even numbers) while column2 (odd numbers). Can anyone help me on how to arrange / swap into the according column.
nPASS1 nPASS166
nPASS1 nPASS64
nPASS101 nPASS12
nPASS101 nPASS88
nPASS103 nPASS166
nPASS103 nPASS90
nPASS114 nPASS229
nPASS114 nPASS51
nPASS12 nPASS127
  4 Comments
James Tursa
James Tursa on 24 Nov 2020
How is this stored? Cell array of char strings? Array of strings? Or ...???
hanif hamden
hanif hamden on 24 Nov 2020
This is how I read the data from textfile. I attached the file as well
clc; clear all;close all;
filename = 'XOpairs.txt';
fileID = fopen(filename);
C = textscan(fileID,'%s %s ');
fclose(fileID);

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Answers (1)

KSSV
KSSV on 24 Nov 2020
This is basic in MATLAB. You should read about indexing an array.
Example:
A = rand (10.1); % array for demo
E = A (2: 2: end); % get even indices number
O = A (1: 2: end); % GEt odd indices numbersY
You may also have cell arrays. For cell arrays you need to use {} for indexing.
  2 Comments
KSSV
KSSV on 24 Nov 2020
Let it be. If he is not satisfied, he will ask the question again. There is no harm right?

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