Type:
Class
Constants:
SELECTORS : {all: true, diagonal: true, off_diagonal: true, lower: true, strict_lower: true, strict_upper: true, upper: true}.freeze

The Matrix class represents a mathematical matrix. It provides methods for creating matrices, operating on them arithmetically and algebraically, and determining their mathematical properties (trace, rank, inverse, determinant).

Method Catalogue

To create a matrix:

To access Matrix elements/columns/rows/submatrices/properties:

Properties of a matrix:

Matrix arithmetic:

Matrix functions:

Matrix decompositions:

Complex arithmetic:

  • conj

  • conjugate

  • imag

  • imaginary

  • real

  • rect

  • rectangular

Conversion to other data types:

String representations:

v
  • References/Ruby on Rails/Ruby/Classes/Matrix/Matrix::EigenvalueDecomposition

v() Instance Public methods Alias for:

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determinant_e
  • References/Ruby on Rails/Ruby/Classes/Matrix

determinant_e() Instance Public methods deprecated; use

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diagonal?
  • References/Ruby on Rails/Ruby/Classes/Matrix

diagonal?() Instance Public methods Returns true is this is a diagonal

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component
  • References/Ruby on Rails/Ruby/Classes/Matrix

component(i, j) Instance Public methods Alias for:

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find_index
  • References/Ruby on Rails/Ruby/Classes/Matrix

find_index(*args) Instance Public methods Alias for:

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row_vectors
  • References/Ruby on Rails/Ruby/Classes/Matrix

row_vectors() Instance Public methods Returns an array of the row vectors of

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unitary?
  • References/Ruby on Rails/Ruby/Classes/Matrix

unitary?() Instance Public methods Returns true is this is a unitary

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column_vectors
  • References/Ruby on Rails/Ruby/Classes/Matrix

column_vectors() Instance Public methods Returns an array of the column vectors

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each
  • References/Ruby on Rails/Ruby/Classes/Matrix

each(which = :all) Instance Public methods Yields all elements of the matrix

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lup
  • References/Ruby on Rails/Ruby/Classes/Matrix

lup() Instance Public methods Returns the LUP decomposition of the matrix; see

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