class Gambit::jswarm_1_0_0::particle #

An individual particle in a swarm.

#include <jswarm.hpp>

Public Functions #

Public Attributes #

Public Functions Documentation #

function particle #

particle(
    int nPar,
    std::vector< double > & lb,
    std::vector< double > & ub,
    rng_type & generator
)

Constructor.

function init #

void init(
    bool zero_vel
)

Initialise a particle with a random position and zero/random velocity.

function update_personal_best #

void update_personal_best()

Update the particle’s personal best-seen fit so far.

Update the particle’s personal best fit seen so far.

function reflect #

void reflect()

Reflect a particle’s position and velocity about the walls of the prior box.

Reflect a particle’s position and velocity off the walls of the prior box.

function discretised_x #

std::vector< double > discretised_x(
    const std::vector< int > & indices
)

Return a particle’s position vector, discretised at some specified indices.

Public Attributes Documentation #

variable x #

std::vector< double > x;

Particle position vector.

variable v #

std::vector< double > v;

Particle velocity vector.

variable lnlike #

double lnlike;

Current objective value.

variable personal_best_value #

double personal_best_value;

Current personal best fit.

variable personal_best_x #

std::vector< double > personal_best_x;

Current personal best-fit vector.

Updated on 2025-02-12 at 15:36:39 +0000