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
5469 def initialize(ring,ifunc=nil,jfunc=nil)
5470     super(ring);
5471     @coFac = ring.coFac;
5472     @ifunc = ifunc;
5473     @jfunc = jfunc;
5474 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
5482 def generate(i)
5483     if @jfunc == nil
5484         return @coFac.fromInteger( @ifunc.call(i) );
5485     else
5486         return @jfunc.call(i);
5487     end
5488 end