Last data update: 2014.03.03
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R: Is a multivariate polynomial constant or zero?
is.constant | R Documentation |
Is a multivariate polynomial constant or zero?
Description
Is a multivariate polynomial constant or zero?
Usage
is.constant(a, allow.untrimmed = TRUE)
is.zero(a, allow.untrimmed = TRUE)
Arguments
a |
A multipol
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allow.untrimmed |
Boolean with default TRUE meaning to
allow a multipol to be zero/constant even if one or more array
extents exceed 2
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Author(s)
Robin K. S. Hankin
See Also
constant
Examples
is.zero(linear(c(1,1i))*linear(c(1,-1i)) - ones(2,2)) # factorize x^2+y^2
Results
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