Struct argmin::solver::linesearch::backtracking::BacktrackingLineSearch [−][src]
pub struct BacktrackingLineSearch<P, L, F> { /* fields omitted */ }
Expand description
The Backtracking line search is a simple method to find a step length which obeys the Armijo (sufficient decrease) condition.
References:
[0] Jorge Nocedal and Stephen J. Wright (2006). Numerical Optimization. Springer. ISBN 0-387-30303-0.
[1] Wikipedia: https://en.wikipedia.org/wiki/Backtracking_line_search
Implementations
Trait Implementations
impl<P, L, F> ArgminLineSearch<P, F> for BacktrackingLineSearch<P, L, F> where
P: Clone + Serialize + ArgminSub<P, P> + ArgminDot<P, f64> + ArgminScaledAdd<P, f64, P>,
L: LineSearchCondition<P, F>,
F: ArgminFloat + Serialize + DeserializeOwned,
impl<P, L, F> ArgminLineSearch<P, F> for BacktrackingLineSearch<P, L, F> where
P: Clone + Serialize + ArgminSub<P, P> + ArgminDot<P, f64> + ArgminScaledAdd<P, f64, P>,
L: LineSearchCondition<P, F>,
F: ArgminFloat + Serialize + DeserializeOwned,
Set search direction
Set initial alpha value
impl<'de, P, L, F> Deserialize<'de> for BacktrackingLineSearch<P, L, F> where
P: Deserialize<'de>,
L: Deserialize<'de>,
F: Deserialize<'de>,
impl<'de, P, L, F> Deserialize<'de> for BacktrackingLineSearch<P, L, F> where
P: Deserialize<'de>,
L: Deserialize<'de>,
F: Deserialize<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
impl<O, P, L, F> Solver<O> for BacktrackingLineSearch<P, L, F> where
P: Clone + Default + Serialize + DeserializeOwned + ArgminScaledAdd<P, F, P>,
O: ArgminOp<Param = P, Output = F, Float = F>,
L: LineSearchCondition<P, F>,
F: ArgminFloat,
impl<O, P, L, F> Solver<O> for BacktrackingLineSearch<P, L, F> where
P: Clone + Default + Serialize + DeserializeOwned + ArgminScaledAdd<P, F, P>,
O: ArgminOp<Param = P, Output = F, Float = F>,
L: LineSearchCondition<P, F>,
F: ArgminFloat,
Auto Trait Implementations
impl<P, L, F> RefUnwindSafe for BacktrackingLineSearch<P, L, F> where
F: RefUnwindSafe,
L: RefUnwindSafe,
P: RefUnwindSafe,
impl<P, L, F> Send for BacktrackingLineSearch<P, L, F> where
F: Send,
L: Send,
P: Send,
impl<P, L, F> Sync for BacktrackingLineSearch<P, L, F> where
F: Sync,
L: Sync,
P: Sync,
impl<P, L, F> Unpin for BacktrackingLineSearch<P, L, F> where
F: Unpin,
L: Unpin,
P: Unpin,
impl<P, L, F> UnwindSafe for BacktrackingLineSearch<P, L, F> where
F: UnwindSafe,
L: UnwindSafe,
P: UnwindSafe,
Blanket Implementations
Mutably borrows from an owned value. Read more