diff and idiff



Hi,

I have a problem using diff and idiff with itensor.

"diff(idiff(N([],[]),i),t)" gives the output i am expecting. however,
"idiff(diff(N([],[]),t),i))" refuses to evaluate idiff.
what am i doing wrong?
thanks,
    marcello

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*  Marcello Musso                              *
*  University of Texas at Austin               *
*  Department of Physics - Theory group        *
*  1, University Station C1608                 *
*  Austin, TX 78712-0269 - USA                 *
*  office phone: (512)-471-4108                *
*  VoIP phone: +39-02-303129852                *
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