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Noqsi
Posts:
51
Registered:
12/8/10


Re: i^2=1
Posted:
Feb 26, 2013 1:08 AM


On Monday, February 25, 2013 12:19:06 AM UTC7, fc3...@unihamburg.de wrote: > No, not I^2=1 :) > > But similarly: I'd like to have a symbol with the > > property i^2=1. And not like slashdotting with > > {i^2>1} (which then ignores i^3 and (i+1)(i1)), > > but really automatically i^2=1 as soon as it appears > > somewhere, like for I. > > > > How do I define that?
Use TagSet[]:
In[1]:= i/:i^2=1; In[2]:= i^2 Out[2]= 1



