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:

scalar

scalar(n, value) Class Public methods Creates an n by n

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clone

clone() Instance Public methods Returns a clone of the matrix, so that the contents

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hermitian?

hermitian?() Instance Public methods Returns true is this is an

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build

build(row_count, column_count = row_count) Class Public methods Creates a matrix

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column

column(j) Instance Public methods Returns column vector number j

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determinant

determinant() Instance Public methods Returns the determinant of the matrix

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element

element(i, j) Instance Public methods Alias for:

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coerce

coerce(other) Instance Public methods The coerce method provides support for

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inspect

inspect() Instance Public methods Overrides

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inverse

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

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