title: How to integrate over a triangle in MATLAB?
body: <p><br>
  let's consider a two dimensional fonction <strong>f(x,y)</strong> <br>
  and tree points A,B,C with ABC a triangle <br>
  and i want to integrate the function <strong>f</strong> over the triangle ABC,<br>
  is there a way to do that in matlab?<br>
  thank you.</p>