
Changes

0.57 (2002.03.16)

  New class
      Set
      Map
      Group
      PermuationGroup
      AlgebraicExtensionField
   
  New methods
      Galois#group
      Polynomial#splitting_field
   
  Rename MinimalDecompositionField to decompose
  Move *.rb to lib/
  Define Polynomial.to_ary and MPolynomial.to_ary

0.56 (2002.02.06)

  MPolynomial#with_ord
  Orderings belong to MPolynomial.
  MIndex is not a subclass of Array, now.
  "Integer < Numeric" ==> "Integer"

0.55 (2001.11.15)

  Improve Algorithm of Factorization over algebraic fields

0.54 (2001.11.05)

  Elementary Divisor
  Jordan Form
  Minimal Decomposition Field

0.53 (2001.10.03)

  move "MatrixAlgebra" to "Algebra::MatrixAlgebra"
  move "MatrixAlgebra::Vector" to "Algebra::Vector"
  move "MatrixAlgebra::Covector" to "Algebra::Covector",
  move "MatrixAlgebra::SquareMatrix" to "Algebra::SquareMatrix"

0.52 (2001.09.22)

  One-variate polynomial
      Fundamental operations (addition, multiplication, quotient/remainder,
        ...)
      factorization
   
  Multi-variate polynomial
      Fundamental operations (addition, multiplication, ...)
      factorization
      Creating Groebner-basis, quotient/remainder by Groebner-basis.
   
  Algebraic systems
      Creating quotient fields
      Creating residue class fields
      Operating matrices.
   
  Linear Algebra
      Diagonalization of Symmetrix Matrix
   

0.40 (2001.03.03)

  Initial Version

