예제 #1
0
 /// <summary>
 /// Helper function: applies the matrix L to the vectors px, py and pz separately and returns the resutls.
 /// Can compute the differential (=Laplacian) coordinates of the mesh as 3 arrays
 /// </summary>
 public static void ComputeDifferentialCoordinates(SparseMatrix L, double[] px, double[] py, double[] pz,
                                                   out double[] dx, out double[] dy, out double[] dz)
 {
     /// multiply dx = L*px
     L.Ax(px, out dx);
     L.Ax(py, out dy);
     L.Ax(pz, out dz);
 }