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matrix

package

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Versions in this module

v0

v0.4.0

Feb 15, 2025

v0.3.1

Aug 6, 2024

v0.3.0

Aug 6, 2024

v0.2.15

Aug 6, 2024

v0.2.13

Aug 6, 2024

v0.2.12

Aug 6, 2024

v0.2.11

Jul 5, 2024

Changes in this version

+ const DefaultEpsilon

+ var ErrDimensionMismatch = errors.New("dimension mismatch")

+ var ErrPolyRegArraysSameLength = errors.New("polynomial array inputs must be the same length")

+ var ErrSingularValue = errors.New("singular value")

+ func Poly(xvalues, yvalues []float64, degree int) ([]float64, error)

+ type Matrix struct

+ func Eye(n int) *Matrix

+ func Identity(order int) *Matrix

+ func New(rows, cols int, values ...float64) *Matrix

+ func NewFromArrays(a [][]float64) *Matrix

+ func Ones(rows, cols int) *Matrix

+ func Zero(rows, cols int) *Matrix

+ func (m *Matrix) Arrays() [][]float64

+ func (m *Matrix) Augment(m2 *Matrix) (*Matrix, error)

+ func (m *Matrix) Col(col int) Vector

+ func (m *Matrix) Copy() *Matrix

+ func (m *Matrix) Diagonal() *Matrix

+ func (m *Matrix) DiagonalVector() Vector

+ func (m *Matrix) Each(action func(row, col int, value float64))

+ func (m *Matrix) Epsilon() float64

+ func (m *Matrix) Equals(other *Matrix) bool

+ func (m *Matrix) Get(row, col int) float64

+ func (m *Matrix) Inverse() (*Matrix, error)

+ func (m *Matrix) IsSquare() bool

+ func (m *Matrix) IsSymmetric() bool

+ func (m *Matrix) L() *Matrix

+ func (m *Matrix) LU() (l, u, p *Matrix)

+ func (m *Matrix) Multiply(m2 *Matrix) (m3 *Matrix, err error)

+ func (m *Matrix) Pivotize() *Matrix

+ func (m *Matrix) QR() (q, r *Matrix)

+ func (m *Matrix) Round() *Matrix

+ func (m *Matrix) Row(row int) Vector

+ func (m *Matrix) ScaleRow(row int, scale float64)

+ func (m *Matrix) Set(row, col int, val float64)

+ func (m *Matrix) Size() (rows, cols int)

+ func (m *Matrix) String() string

+ func (m *Matrix) SubMatrix(i, j, rows, cols int) *Matrix

+ func (m *Matrix) SwapRows(i, j int)

+ func (m *Matrix) Times(m2 *Matrix) (*Matrix, error)

+ func (m *Matrix) Transpose() *Matrix

+ func (m *Matrix) U() *Matrix

+ func (m *Matrix) WithEpsilon(epsilon float64) *Matrix

+ type Vector []float64

+ func (v Vector) DotProduct(v2 Vector) (result float64, err error)