clear;close all;clc;
x = 1:10;
y1 = x.^2;
y2 = x.^(1/2);
o = table(x',y1',y2');
o.Properties.VariableNames = {'x' 'x2' 'x3'};
writetable(o,'tablename.txt');
Data = readtable(filename);
writetable(Data, 'textfile.txt');
filename = 'a.xlsx';
sheet = 'sheet5';
[~,~,c] = xlsread(filename,sheet);
writecell(c,'data.dat');