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

rank_e() Instance Public methods deprecated; use

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

to_s() Instance Public methods Overrides

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

new(a) Class Public methods

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

real?() Instance Public methods Returns true if all entries of

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

row(i) Instance Public methods Returns row vector number i of the

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

elements_to_r() Instance Public methods

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

to_a() Instance Public methods Returns an array of arrays that describe the

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