Enum HessianUpdateMethod 

pub enum HessianUpdateMethod {
    Bfgs,
    Bofill,
    BfgsPure,
    Powell,
    BfgsPowellMix,
}

Hessian update method selection.

Variants

Bfgs

BFGS update for minima (MthUpd=3)

Bofill

Bofill weighted update for saddle points (MthUpd=4)

BfgsPure

Pure BFGS without curvature check (MthUpd=5)

Powell

Powell symmetric rank-one update (MthUpd=6)

BfgsPowellMix

BFGS/Powell mixture following Bofill (MthUpd=7)

Trait Implementations

impl Clone for HessianUpdateMethod

fn clone(&self) -> HessianUpdateMethod

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HessianUpdateMethod

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HessianUpdateMethod

fn default() -> HessianUpdateMethod

Returns the “default value” for a type.

impl PartialEq for HessianUpdateMethod

fn eq(&self, other: &HessianUpdateMethod) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for HessianUpdateMethod

impl Eq for HessianUpdateMethod

impl StructuralPartialEq for HessianUpdateMethod