[−][src]Struct argmin::solver::gradientdescent::steepestdescent::SteepestDescent
Steepest descent iteratively takes steps in the direction of the strongest negative gradient. In each iteration, a line search is employed to obtain an appropriate step length.
References:
[0] Jorge Nocedal and Stephen J. Wright (2006). Numerical Optimization. Springer. ISBN 0-387-30303-0.
Methods
impl<L> SteepestDescent<L>
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Trait Implementations
impl<L: Clone> Clone for SteepestDescent<L>
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fn clone(&self) -> SteepestDescent<L>
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fn clone_from(&mut self, source: &Self)
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impl<'de, L> Deserialize<'de> for SteepestDescent<L> where
L: Deserialize<'de>,
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L: Deserialize<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
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__D: Deserializer<'de>,
impl<L> Serialize for SteepestDescent<L> where
L: Serialize,
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L: Serialize,
fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
__S: Serializer,
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__S: Serializer,
impl<O, L, F> Solver<O> for SteepestDescent<L> where
O: ArgminOp<Output = F, Float = F>,
O::Param: Clone + Default + Serialize + ArgminSub<O::Param, O::Param> + ArgminDot<O::Param, O::Float> + ArgminScaledAdd<O::Param, O::Float, O::Param> + ArgminMul<O::Float, O::Param> + ArgminNorm<O::Float>,
O::Hessian: Default,
L: Clone + ArgminLineSearch<O::Param, O::Float> + Solver<OpWrapper<O>>,
F: ArgminFloat,
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O: ArgminOp<Output = F, Float = F>,
O::Param: Clone + Default + Serialize + ArgminSub<O::Param, O::Param> + ArgminDot<O::Param, O::Float> + ArgminScaledAdd<O::Param, O::Float, O::Param> + ArgminMul<O::Float, O::Param> + ArgminNorm<O::Float>,
O::Hessian: Default,
L: Clone + ArgminLineSearch<O::Param, O::Float> + Solver<OpWrapper<O>>,
F: ArgminFloat,
const NAME: &'static str
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fn next_iter(
&mut self,
op: &mut OpWrapper<O>,
state: &IterState<O>
) -> Result<ArgminIterData<O>, Error>
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&mut self,
op: &mut OpWrapper<O>,
state: &IterState<O>
) -> Result<ArgminIterData<O>, Error>
fn init(
&mut self,
_op: &mut OpWrapper<O>,
_state: &IterState<O>
) -> Result<Option<ArgminIterData<O>>, Error>
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&mut self,
_op: &mut OpWrapper<O>,
_state: &IterState<O>
) -> Result<Option<ArgminIterData<O>>, Error>
fn terminate_internal(&mut self, state: &IterState<O>) -> TerminationReason
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fn terminate(&mut self, _state: &IterState<O>) -> TerminationReason
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Auto Trait Implementations
impl<L> RefUnwindSafe for SteepestDescent<L> where
L: RefUnwindSafe,
L: RefUnwindSafe,
impl<L> Send for SteepestDescent<L> where
L: Send,
L: Send,
impl<L> Sync for SteepestDescent<L> where
L: Sync,
L: Sync,
impl<L> Unpin for SteepestDescent<L> where
L: Unpin,
L: Unpin,
impl<L> UnwindSafe for SteepestDescent<L> where
L: UnwindSafe,
L: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> SendSyncUnwindSafe for T where
T: Send + Sync + UnwindSafe + ?Sized,
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T: Send + Sync + UnwindSafe + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,