title: How to iterate through array of array in angular
body: <p>I have the following data set and I want to access the x and y values of every single set. how can I get access x and y values ?</p>
  <p><a href="https://i.stack.imgur.com/CHrhI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CHrhI.png" alt="enter image description here" /></a></p>