NOARG _ _ _ _ _ _ _ _ _ _ _ _ switch

When dfprint is on, expressions in the differentiation oper ator df are printed in a more ``natural'' notation, with th e differentiation variables appearing as subscripts. When noarg is on (the default), the arguments of the differentiated operator are also suppressed.

examples:

operator f; 

df(f x,x); 

  DF(F(X),X); 


on dfprint; 

ws; 

  F  
   X


off noarg; 

ws; 

  F(X)
      X