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:

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

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

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

determinant() Instance Public methods Alias for:

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

transpose() Instance Public methods Returns the transpose of the matrix.

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

elements_to_r() Instance Public methods

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

hash() Instance Public methods Returns a hash-code for the matrix.

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

regular?() Instance Public methods Returns true if this is a regular

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

rectangular() Instance Public methods Alias for:

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