1## libCEED: Basic Examples 2 3Two examples are provided that rely only upon libCEED without any external libraries. 4 5### Example 1: ex1-volume 6 7This example uses the mass matrix to compute the length, area, or volume of a region, depending upon runtime parameters. 8 9### Example 2: ex2-surface 10 11This example uses the diffusion matrix to compute the surface area of a region, in 1D, 2D or 3D, depending upon runtime parameters. 12