title: Interpolation in Simulink[Matlab]
body: <p>I've got three matrix which contain values of time and corresponding function. I need function values summed over time. Here is my data set(Data columns are marked with red):
  <img src="https://i.stack.imgur.com/SBWzp.jpg" alt="">
  As you see, columns have different time and function values, so I need to interpolate them first.  I tried this model, that had no effect: 
  <img src="https://i.stack.imgur.com/D65tw.jpg" alt="enter image description here"></p>
  
  <p>Will appreciate any help in solving my problem</p>