title: Add new column with header to csv Matlab
body: <p>I have an csv file with column headers (strings) and data. I then want to add a new column with a specific header <code>'My new header'</code> and data is stored in a 100x1 double variable called <code>myNewData</code>. How I can add a new column with header <code>'My new header'</code> and values of the column be <code>myNewData</code>?</p>