how to subs t.i with i*t.i

Yong Xiao yxiao at
Thu Jul 10 11:11:01 CEST 2003

Hi, it seems that the following lines
ex e1 = indexed(t,i); 
,where i and i_ are idx and wildcard objects respectively, doesn't 
substitute t.i with i*t.i. t.i still remains it's original form. Is 
there any way I can do such subs: t.i-->i*t.i? Thank you.


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