Hi,
I saw in the J labs the example for the group Z_4 (cyclic group of order 4).
I am now trying to ape this method to create the group Z_2 x Z_2 (direct
product of cyclic group order 2 with itself).
This is what I have done so far:
a =: 0 0
b =: 0 1
c =: 1 0
d =: 1 1
f =: 2&|@+
This is the group operator, essentially mod 2 addition.
Q: How can I create a,b,c,d more simply? Perhaps with a single verb, instead of
explicitly creating each element?
e.g. a verb or train that returns:
0 0
0 1
1 0
1 1
Thanks for your patience.
Jon
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