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v0.0.0-...-4f40efb Latest Latest Go to latest Published: Nov 21, 2015 License: Apache-2.0 Imports: 4 Imported by: 0

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linear algebra routines.

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type Matrix struct {
	Rows, Cols   int
	ColumnStride int // increment index by this, to move to next column in same row
	Elements     []float64
}

a column-major matrix

func Multiply(m ...*Matrix) *Matrix

func MultiplyPair(a, b *Matrix) *Matrix

func NewDiagonalMatrixWithElements(e []float64) *Matrix

func NewMatrix(m, n int) *Matrix

func NewMatrixWithElements(m, n int, elements []float64) *Matrix

func (m *Matrix) Copy() *Matrix

func (m *Matrix) Get(i, j int) float64

func (m *Matrix) Inc(i, j int, v float64)

func (m *Matrix) Index(i, j int) int

func (m *Matrix) Set(i, j int, v float64)

func (m *Matrix) String() string

type Svd struct {
	U, S, Vt *Matrix
}

func ComputeSvd(a *Matrix) *Svd

func (s *Svd) String() string

type Vector struct {
	Size     int
	Stride   int
	Elements []float64
}

vector

func NewVector(m int) *Vector

func (m *Vector) AsColumnVector() *Matrix

func (m *Vector) Get(i int) float64

func (m *Vector) Set(i int, v float64)