class JAS::MultiSeriesRing::Mcoeff

(Inner) class which extends edu.jas.ps.MultiVarCoefficients

Public Class Methods

new(ring,ifunc=nil,jfunc=nil) click to toggle source

Constructor

ring must be a polynomial or multivariate power series ring. ifunc(ExpVector i) must return a value which is used in ((RingFactory)cofac).fromInteger(). jfunc(ExpVector i) must return a value of type ring.coFac.

Calls superclass method

# File examples/jas.rb, line 5175
def initialize(ring,ifunc=nil,jfunc=nil)
    super(ring);
    @coFac = ring.coFac;
    @ifunc = ifunc;
    @jfunc = jfunc;
end

Public Instance Methods

generate(i) click to toggle source

Generator for a coefficient.

long i parameter. returns a value of type ring.coFac.

# File examples/jas.rb, line 5188
def generate(i)
    if @jfunc == nil
        return @coFac.fromInteger( @ifunc.call(i) );
    else
        return @jfunc.call(i);
    end
end