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:

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

new(rows, column_count = rows[0].size) Class Public methods

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

unit(n) Class Public methods Alias for:

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[]
  • References/Ruby on Rails/Ruby/Classes/Matrix

[](*rows) Class Public methods Creates a matrix where each argument is a row

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

zero?() Instance Public methods Returns true is this is a matrix

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

tr() Instance Public methods Alias for:

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

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

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

eigensystem() Instance Public methods Returns the Eigensystem of the matrix;

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

det() Instance Public methods Alias for:

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

rect() Instance Public methods Returns an array containing matrices corresponding

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

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

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