RungeKutta (bristlecone)

RungeKutta Module

Namespace: Bristlecone.Integration
Assembly: Bristlecone.dll

Functions and values

Function or value	Description
`flattenState stateMap` Full Usage: `flattenState stateMap` Parameters: stateMap : `CodedMap<TypedTensor<Scalar, MeasureProduct<state, MeasureOne>>>` Returns: `ShortCode list * Tensor`	stateMap : `CodedMap<TypedTensor<Scalar, MeasureProduct<state, MeasureOne>>>` Returns: `ShortCode list * Tensor`
`rk4 tInitial tEnd tStep t0 rhs` Full Usage: `rk4 tInitial tEnd tStep t0 rhs` Parameters: tInitial : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tEnd : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tStep : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` t0 : `CodedMap<TypedTensor<Scalar, MeasureProduct<state, MeasureOne>>>` rhs : `ParameterisedRHS` Returns: `CodedMap<TypedTensor<Vector, MeasureProduct<state, MeasureOne>>>`	tInitial : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tEnd : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tStep : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` t0 : `CodedMap<TypedTensor<Scalar, MeasureProduct<state, MeasureOne>>>` rhs : `ParameterisedRHS` Returns: `CodedMap<TypedTensor<Vector, MeasureProduct<state, MeasureOne>>>`
`rk4WithStepCount tInitial tFinal steps y0 f` Full Usage: `rk4WithStepCount tInitial tFinal steps y0 f` Parameters: tInitial : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tFinal : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` steps : `int` y0 : `Tensor` f : `Tensor -> Tensor -> Tensor` Returns: `Tensor`	tInitial : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tFinal : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` steps : `int` y0 : `Tensor` f : `Tensor -> Tensor -> Tensor` Returns: `Tensor`
`rk4WithStepWidth tInitial tFinal dt y0 f` Full Usage: `rk4WithStepWidth tInitial tFinal dt y0 f` Parameters: tInitial : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tFinal : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` dt : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` y0 : `Tensor` f : `Tensor -> Tensor -> Tensor` Returns: `Tensor`	tInitial : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` tFinal : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` dt : `TypedTensor<Scalar, MeasureProduct<time index, MeasureOne>>` y0 : `Tensor` f : `Tensor -> Tensor -> Tensor` Returns: `Tensor`
`rk4float tInitial tFinal steps initialVector f` Full Usage: `rk4float tInitial tFinal steps initialVector f` Parameters: tInitial : `float<MeasureProduct<time index, MeasureOne>>` tFinal : `float<MeasureProduct<time index, MeasureOne>>` steps : `float<MeasureProduct<time index, MeasureOne>>` initialVector : `float[]` f : `float -> float[] -> float[]` Returns: `float[][]`	tInitial : `float<MeasureProduct<time index, MeasureOne>>` tFinal : `float<MeasureProduct<time index, MeasureOne>>` steps : `float<MeasureProduct<time index, MeasureOne>>` initialVector : `float[]` f : `float -> float[] -> float[]` Returns: `float[][]`
`unflattenTrajectory keys traj` Full Usage: `unflattenTrajectory keys traj` Parameters: keys : `ShortCode list` traj : `Tensor` Returns: `Map<ShortCode, TypedTensor<Vector, MeasureProduct<state, MeasureOne>>>`	Unflatten trajectory Tensor back into ``CodedMap``. traj has shape [timeSteps; stateCount]. keys : `ShortCode list` traj : `Tensor` Returns: `Map<ShortCode, TypedTensor<Vector, MeasureProduct<state, MeasureOne>>>`
`wrapRhs keys rhs t y` Full Usage: `wrapRhs keys rhs t y` Parameters: keys : `ShortCode list` rhs : `ParameterisedRHS` t : `Tensor` y : `Tensor` Returns: `Tensor`	keys : `ShortCode list` rhs : `ParameterisedRHS` t : `Tensor` y : `Tensor` Returns: `Tensor`