*FREE, Name,
Deletes a matrix or a solver object and frees its memory
allocation.
NameName of the matrix or solver
object to delete. Use Name = ALL to delete
all APDL Math matrices and solver objects.  Use Name = WRK to delete all APDL Math matrices and solver objects that belong
to a given workspace.
VAL1If Name = WRK, Val1 is to set the memory workspace number.