dynamics

package

v0.0.0-...-0502445 Latest Latest Go to latest Published: Jan 18, 2017 License: MIT Imports: 2 Imported by: 0

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Repository

github.com/christopherrabotin/ode

Links

Open Source Insights

Documentation ¶

Index ¶

func Cartesian2Spherical(a []float64) (b []float64)
func Deg2rad(a float64) float64
func Rad2deg(a float64) float64
func Spherical2Cartesian(a []float64) (b []float64)
type Attitude
- func NewAttitude(sigma, omega [3]float64, tensor []float64) *Attitude
type MRP

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Cartesian2Spherical ¶

func Cartesian2Spherical(a []float64) (b []float64)

Cartesian2Spherical returns the provided Cartesian coordinates vector in spherical.

func Deg2rad ¶

func Deg2rad(a float64) float64

Deg2rad converts degrees to radians.

func Rad2deg ¶

func Rad2deg(a float64) float64

Rad2deg converts radians to degrees.

func Spherical2Cartesian ¶

func Spherical2Cartesian(a []float64) (b []float64)

Spherical2Cartesian returns the provided spherical coordinates vector in Cartesian.

Types ¶

type Attitude ¶

type Attitude struct {
	Attitude      *MRP
	Velocity      *mat64.Vector
	InertiaTensor *mat64.Dense
	// contains filtered or unexported fields
}

Attitude defines an attitude with an orientation, an angular velocity and an inertial tensor. *ALMOST* implements rk4.Integrable.

func NewAttitude ¶

func NewAttitude(sigma, omega [3]float64, tensor []float64) *Attitude

NewAttitude returns an Attitude pointer.

func (*Attitude) Func ¶

func (a *Attitude) Func(t float64, s []float64) []float64

Func is the integrator function.

func (*Attitude) GetState ¶

func (a *Attitude) GetState() []float64

GetState returns the state of this attitude for the EOM as defined below.

func (*Attitude) Momentum ¶

func (a *Attitude) Momentum() float64

Momentum returns the angular moment of this body.

func (*Attitude) SetState ¶

func (a *Attitude) SetState(t float64, s []float64)

SetState sets the state of this attitude for the EOM as defined below.

type MRP ¶

type MRP struct {
	// contains filtered or unexported fields
}

MRP defines Modified Rodrigez Parameters.

func (*MRP) B ¶

func (s *MRP) B() *mat64.Dense

B returns the B matrix for MRP computations.

func (*MRP) Equals ¶

func (s *MRP) Equals(o *MRP) bool

Equals returns true if both MRPs correspond to the same attitude.

func (*MRP) OuterProduct ¶

func (s *MRP) OuterProduct(m float64) *mat64.Dense

OuterProduct returns the outer product of this MRP with itself. The m parameter allows to multiply directly the outer product with a scalar.

func (*MRP) Short ¶

func (s *MRP) Short()

Short refreshes this MRP representation to use its short notation.

func (*MRP) Tilde ¶

func (s *MRP) Tilde(m float64) *mat64.Dense

Tilde returns the tilde matrix of this MRP. The m parameter allows to multiply directly the Tilde matrix.

Source Files ¶

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