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:

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

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

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

collect() Instance Public methods Returns a matrix that is the result of iteration

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

d() Instance Public methods Alias for:

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

imag() Instance Public methods Alias for:

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

real() Instance Public methods Returns the real part of the matrix.

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

elements_to_i() Instance Public methods

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

row_count() Instance Public methods Returns the number of rows.

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

columns(columns) Class Public methods Creates a matrix using columns

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