in Parameters docu; units for non-const ext field

_setup/parameters.py

@@ -33,7 +33,8 @@ class Parameters:
       .hbar [1.054571800e-34]
     - which lower-order contributions to consider:
       .H_ext = [ (f,g,h) where f, g, h are either constants 
-                 or functions in (t, x, y, z) ]
+                 or functions in (t, x, y, z); with t in physical seconds; 
+                 (x, y, z) w.r.t. to the NgSolve geometry, i.e., unphysical dimension]
       .easy_axis [(1,0,0)] and .K for uniaxial anisotropy
       .maxwellCoupling = ['none', 'magnetostaticField', 'strayField','oerstedField']
       (magnetostaticField = strayfield & oersted field)