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:

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

to_a() Instance Public methods Alias for:

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

imag() Instance Public methods Alias for:

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

**(other) Instance Public methods

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

diagonal(*values) Class Public methods Creates a matrix where the diagonal elements

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determinant
  • References/Ruby on Rails/Ruby/Classes/Matrix/Matrix::LUPDecomposition

determinant() Instance Public methods Alias for:

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

minor(*param) Instance Public methods Returns a section of the matrix. The

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

rank_e() Instance Public methods deprecated; use

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u
  • References/Ruby on Rails/Ruby/Classes/Matrix/Matrix::LUPDecomposition

u() Instance Public methods Returns the upper triangular factor U

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

column_vector(column) Class Public methods Creates a single-column matrix where

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

rank() Instance Public methods Returns the rank of the matrix. Beware that using

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