[0]Processor rank is
 >> 
MPI_Comm_rank =

     0

[0]The result is
 >>   Name               Size            Bytes  Class                            Attributes

  MPI_Comm_rank      1x1                 8  double                                     
  MPI_Comm_size      1x1                 8  double                                     
  ans                1x1                 8  matlab.settings.SettingsGroup              
  x                  5x1                40  double                                     

Vec Object: x 1 MPI process
  type: seq
0.
0.
0.
0.
0.