Struct argmin::solver::particleswarm::ParticleSwarm

pub struct ParticleSwarm<'a, O> where
    O: ArgminOp<Output = f64>,
    <O as ArgminOp>::Param: Position,  { /* fields omitted */ }

Particle Swarm Optimization (PSO)

Example

References:

TODO

Methods

impl<'a, O> ParticleSwarm<'a, O> where
    O: ArgminOp<Output = f64>,
    <O as ArgminOp>::Param: Position, 

pub fn new(
    search_region: (O::Param, O::Param),
    num_particles: usize,
    weight_momentum: f64,
    weight_particle: f64,
    weight_swarm: f64
) -> Result<Self, Error>

Constructor

Parameters:

• cost_function: cost function
• init_temp: initial temperature

pub fn set_iter_callback(
    &mut self,
    callback: &'a mut dyn FnMut(&O::Param, f64, &Vec<Particle<O::Param>>)
)

Set callback

Trait Implementations

impl<'a, O> Solver<O> for ParticleSwarm<'a, O> where
    O: ArgminOp<Output = f64>,
    <O as ArgminOp>::Param: Position,
    <O as ArgminOp>::Hessian: Clone + Default, 

const NAME: &'static str

fn init(
    &mut self,
    _op: &mut OpWrapper<O>,
    _state: &IterState<O>
) -> Result<Option<ArgminIterData<O>>, Error>

Initializes the algorithm

fn next_iter(
    &mut self,
    _op: &mut OpWrapper<O>,
    _state: &IterState<O>
) -> Result<ArgminIterData<O>, Error>

Perform one iteration of algorithm

fn terminate_internal(&mut self, state: &IterState<O>) -> TerminationReason

Checks whether basic termination reasons apply.

fn terminate(&mut self, _state: &IterState<O>) -> TerminationReason

Checks whether the algorithm must be terminated

impl<'de, 'a, O> Deserialize<'de> for ParticleSwarm<'a, O> where
    O: ArgminOp<Output = f64>,
    <O as ArgminOp>::Param: Position,
    O::Param: Deserialize<'de>, 

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl<'a, O> Serialize for ParticleSwarm<'a, O> where
    O: ArgminOp<Output = f64>,
    <O as ArgminOp>::Param: Position,
    O::Param: Serialize, 

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.