is.constant {multipol} | R Documentation |
Is a multivariate polynomial constant or zero?
is.constant(a, allow.untrimmed = TRUE) is.zero(a, allow.untrimmed = TRUE)
a |
A multipol |
allow.untrimmed |
Boolean with default TRUE meaning to to
allow a multipol to be zero/constant even if one or more array
extents exceed 2 |
Robin K. S. Hankin
is.zero(linear(c(1,1i))*linear(c(1,-1i)) - ones(2,2)) # factorize x^2+y^2