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k-Join
Informal
A k-Join
has k input terminals a0 through
ak-1 and one output terminal b. After
receiving a signal on each input terminal an output signal is produced.
Input and output signals alternate.
Schematic diagram
for a k-Join:
[Zoom|FIG]
XDI specification for the 3-Join
Specification in XDI model.
(Not available for general k.)
The specification of a k-Join for k=3 is as
follows: Specification in Verdect:
define JOIN[k]( a0?,.., a(k-1)?, b! ) =
pref *[ (a0? || .. || a(k-1)?); b! ]
end
Also available through this link.
(Not available for general k.)
The DI Algebra specification for the case k=3 is given.
Specification in DI Algebra:
NAME ="3-Join"
I = { a0?, a1?, a2? }
O = { b! }
C = a0?;a1?;a2?;b!;C
Also available through this link
(Not available for general k.)
The XDI Report for the 3-Join
The roles of the inputs can be permuted.:
Join(a_0, ..., a_i,a_j, ...,a_(k-1); b)=
Join(a_0, ..., a_j,a_i, ...,a_(k-1); b).