Modules

constructors

A module to construct specific Matrices

Classes

Matrix

constructors

A module to construct specific Matrices

• constructors
  • full(dimX, dimY, value, type) ⇒ Matrix ⏏
  • ones(dimX, dimY, type) ⇒ Matrix ⏏
  • zeros(dimX, dimY, type) ⇒ Matrix ⏏
  • identity(size, type) ⇒ Matrix ⏏
  • fromArray(array) ⇒ Matrix ⏏

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full(dimX, dimY, value, type) ⇒ Matrix ⏏

Creates a matrix filled with given value

Kind: Exported function Returns: Matrix - Created matrix

Param	Type	Description
dimX	Number	Row size of the matrix
dimY	Number	Column size of the matrix
value	Number	Value to give all elements of the matrix
type	String	Expected C-type of the matrix elements

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ones(dimX, dimY, type) ⇒ Matrix ⏏

Creates a matrix filled with 1s

Kind: Exported function Returns: Matrix - Created matrix

Param	Type	Description
dimX	Number	Row size of the matrix
dimY	Number	Column size of the matrix
type	String	Expected C-type of the matrix elements

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zeros(dimX, dimY, type) ⇒ Matrix ⏏

Creates a matrix filled with 0s

Kind: Exported function Returns: Matrix - Created matrix

Param	Type	Description
dimX	Number	Row size of the matrix
dimY	Number	Column size of the matrix
type	String	Expected C-type of the matrix elements

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identity(size, type) ⇒ Matrix ⏏

Creates an identity matrix of given size

Kind: Exported function Returns: Matrix - Created identity matrix

Param	Type	Description
size	Number	Edge size of the square identity matrix
type	String	Expected C-type of the matrix elements

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fromArray(array) ⇒ Matrix ⏏

Creates a vector or a matrix from given JavaScript array

Kind: Exported function Returns: Matrix - Created identity matrix

Param	Type	Description
array	Array	JavaScript array to be converted into a matrix or vector

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Matrix

Kind: global class

• Matrix
  • new Matrix(dimX, dimY, type)
  • .get(x, y) ⇒ any
  • .getRow(x) ⇒ Float64Array
  • .set(x, y, entry) ⇒ void
  • .t() ⇒ Matrix
  • .flatten() ⇒ Matrix
  • .dot(other) ⇒ Number
  • .shape() ⇒ array
  • .tril() ⇒ Matrix
  • .triu() ⇒ Matrix
  • .diag() ⇒ array
  • .print() ⇒ void
  • .isVector(mat) ⇒ boolean
  • .is3dVector(mat) ⇒ boolean
  • .isScalar(mat) ⇒ boolean
  • .isSquare(mat) ⇒ boolean
  • .isIdentity(mat) ⇒ boolean

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new Matrix(dimX, dimY, type)

Creates an instance of Matrix.

Param	Type	Description
dimX	Number	Row size of the matrix
dimY	Number	Column size of the matrix
type	String	Expected C-type of the matrix elements (Defaults to double)

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matrix.get(x, y) ⇒ any

Returns the value of given location

Kind: instance method of Matrix Returns: any - value of given index

Param	Type	Description
x	any	column index
y	any	row index

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matrix.getRow(x) ⇒ Float64Array

Returns values of given row

Kind: instance method of Matrix Returns: Float64Array - A TypedArray containing the values of given row

Param	Type	Description
x	Number	Row index

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matrix.set(x, y, entry) ⇒ void

Sets the value of given location

Kind: instance method of Matrix

Param	Type	Description
x	any	column index
y	any	row index
entry	any	value to set given index

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matrix.t() ⇒ Matrix

Returns transposed copy of self

Kind: instance method of Matrix Returns: Matrix - Transposed self

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matrix.flatten() ⇒ Matrix

Returns row-major flattened version of self

Kind: instance method of Matrix Returns: Matrix - row-major flattened copy of self

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matrix.dot(other) ⇒ Number

Returns dot product of self with given matrix

Kind: instance method of Matrix Returns: Number - Dot product with other

Param	Type	Description
other	Matrix	The second matrix

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matrix.shape() ⇒ array

Returns the shape of the array as an array of dimensions

Kind: instance method of Matrix Returns: array - Tuple of rowCount and colCount

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matrix.tril() ⇒ Matrix

Returns lower triangle of the matrix

Kind: instance method of Matrix Returns: Matrix - Lower triangle of self

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matrix.triu() ⇒ Matrix

Returns upper triangle of the matrix

Kind: instance method of Matrix Returns: Matrix - Lower triangle of self

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matrix.diag() ⇒ array

Extract diagonal of self

Kind: instance method of Matrix Returns: array - Diagonal array of self

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matrix.print() ⇒ void

Prints the text representation of self to console

Kind: instance method of Matrix

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matrix.isVector(mat) ⇒ boolean

Returns whether the matrix is a Vector

Kind: instance method of Matrix Returns: boolean - True if the matrix is 1D

Param	Type	Description
mat	Matrix	Matrix to be checked

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matrix.is3dVector(mat) ⇒ boolean

Returns whether the matrix is a 3D Vector

Kind: instance method of Matrix Returns: boolean - True if the matrix is a 3D Vector

Param	Type	Description
mat	Matrix	Matrix to be checked

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matrix.isScalar(mat) ⇒ boolean

Returns whether the matrix is 1x1

Kind: instance method of Matrix Returns: boolean - True if matrix is 1x1

Param	Type	Description
mat	Matrix	Matrix to be checked

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matrix.isSquare(mat) ⇒ boolean

Returns whether the matrix is a square matrix

Kind: instance method of Matrix Returns: boolean - True if matrix is square

Param	Type	Description
mat	Matrix	Matrix to be checked

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matrix.isIdentity(mat) ⇒ boolean

Returns whether the matrix is an identity matrix

Kind: instance method of Matrix Returns: boolean - True if the matrix is an identity matrix

Param	Type	Description
mat	Matrix	Matrix to be checked

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