Class NewtonSolverIterative

Inheritance Relationships

Base Type

Class Documentation

class amici::NewtonSolverIterative : public amici::NewtonSolver

The NewtonSolverIterative provides access to the iterative linear solver for the Newton method.

Public Functions

NewtonSolverIterative(realtype *t, AmiVector *x, Model *model)

Constructor, initializes all members with the provided objects.

Parameters

  • t: pointer to time variable

  • x: pointer to state variables

  • model: pointer to the model object

~NewtonSolverIterative() override = default
void solveLinearSystem(AmiVector &rhs) override

Solves the linear system for the Newton step by passing it to linsolveSPBCG.

Parameters

  • rhs: containing the RHS of the linear system, will be overwritten by solution to the linear system

void prepareLinearSystem(int ntry, int nnewt) override

Writes the Jacobian (J) for the Newton iteration and passes it to the linear solver. Also wraps around getSensis for iterative linear solver.

Parameters

  • ntry: integer newton_try integer start number of Newton solver (1 or 2)

  • nnewt: integer number of current Newton step

void prepareLinearSystemB(int ntry, int nnewt) override

Writes the Jacobian (JB) for the Newton iteration and passes it to the linear solver. Also wraps around getSensis for iterative linear solver.

Parameters

  • ntry: integer newton_try integer start number of Newton solver (1 or 2)

  • nnewt: integer number of current Newton step

void linsolveSPBCG(int ntry, int nnewt, AmiVector &ns_delta)

Iterative linear solver created from SPILS BiCG-Stab. Solves the linear system within each Newton step if iterative solver is chosen.

Parameters

  • ntry: integer newton_try integer start number of Newton solver (1 or 2)

  • nnewt: integer number of current Newton step

  • ns_delta: Newton step