zero | R Documentation |
Test for a freealg
object's being zero
is.zero(x)
x |
Object of class |
Function is.zero()
returns TRUE
if x
is indeed
the zero free algebra object. It is defined as
length(coeffs(x))==0
for reasons of efficiency, but
conceptually it returns x==constant(0)
.
(Use constant(0)
to create the zero object).
Robin K. S. Hankin
constant
stopifnot(is.zero(constant(0)))
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