MUMatrix

public struct MUMatrix<T> where T : MUFloatingPoint, T : CustomStringConvertible

MUMatrix struct of floating point elements

  • 2D array of matrix datas.

    Declaration

    Swift

    public private(set) var datas: [[T]] {
  get
  }

  • Number of rows.

    Declaration

    Swift

    public private(set) var rowsCount: Int {
  get
  }

  • Number of columns.

    Declaration

    Swift

    public private(set) var columnsCount: Int {
  get
  }

  • Initialize a matrix with a single value repeated on each rows and columns.

    Declaration

    Swift

    public init(rows: Int, columns: Int, repeatedValue: T)

  • Accesses the element at the specified position.

    Declaration

    Swift

    public subscript(row: Int, column: Int) -> T { get set }

Public functions

  • Get the row at the specified index.

    Declaration

    Swift

    public func row(_ index: Int) -> [T]

  • Get the column at the specified index.

    Declaration

    Swift

    public func column(_ index: Int) -> [T]

  • Flips the matrix over its diagonal.

    Declaration

    Swift

    public func transpose() -> MUMatrix

  • Resize the matrix and crop values if new matrix is smaller or add 0 if new matrix is bigger.

    Declaration

    Swift

    public func resize(row: Int, column: Int) -> MUMatrix

  • Jacobi Single Value Backward Substitution.

    Declaration

    Swift

    public func singleValueBackSubstitution(row: Int,
                                        column: Int,
                                        wMatrix: MUMatrix,
                                        vMatrix: MUMatrix?,
                                        bMatrix: MUMatrix?) -> MUMatrix

Mutating functions

  • Fill the selected row at index with a repeated value.

    Declaration

    Swift

    public mutating func fillRow(_ index: Int, value: T)

  • Fill the selected column at index with a repeated value.

    Declaration

    Swift

    public mutating func fillColumn(_ index: Int, value: T)

  • Insert a new row at selected index and fill it with a repeated value.

    Declaration

    Swift

    @discardableResult
public mutating func insertRow(_ index: Int, value: T) -> MUMatrix

  • Insert a new column at selected index and fill it with a repeated value.

    Declaration

    Swift

    @discardableResult
public mutating func insertColumn(_ index: Int, value: T) -> MUMatrix

  • Perform a rotation in Euclidean space.

    Declaration

    Swift

    public mutating func rotate(firstRow: Int, secondRow: Int, cosine: T, sine: T)

  • Swap first and second value at specified row/column.

    Declaration

    Swift

    public mutating func swapValue(first: (row: Int, column: Int), second: (row: Int, column: Int))

  • Jacobi Singular Value Decomposition

    Declaration

    Swift

    public mutating func jacobiSVD(n: Int = -1) -> MUMatrix

  • Jacobi Singular Value Decomposition

    Declaration

    Swift

    public mutating func jacobiSVD(_ matrixV: inout MUMatrix?, n: Int = -1) -> MUMatrix

  • A textual representation of this instance.

    Declaration

    Swift

    public var description: String { get }

  • The type of the elements of an array literal.

    Declaration

    Swift

    public typealias ArrayLiteralElement = [T]

  • Creates an instance initialized with the given elements.

    Declaration

    Swift

    public init(arrayLiteral elements: [T]...)