spray (version 1.0)

constant:

Description

The constant term of a spray object is the coefficient corresponding to an index of all zeros. These functions get or set the constant of a spray object.

Usage

constant(S,drop=FALSE)
constant(S) <- value

Arguments

S

Object of class spray

value

Numeric value to set the constant coefficient to

drop

Boolean, with default FALSE meaning to return a spray object and TRUE meaning to return a numeric value

Value

In function constant(), return the coefficient, or a constant multivariate polynomial, depending on the value of drop.

See Also

Extract

Examples

S <- spray(partitions::blockparts(rep(2,4),3,TRUE))

constant(S)

constant(S) <- 33

S