[−][src]Trait argmin::prelude::ArgminIter
Main part of every solver: next_iter
computes one iteration of the algorithm and init
is
executed before these iterations. The init
method comes with a default implementation which
corresponds to doing nothing.
Associated Types
Loading content...Required methods
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
Computes one iteration of the algorithm.
Provided methods
fn init(&mut self) -> Result<(), Error>
Initializes the algorithm
This is executed before any iterations are performed. It can be used to perform precomputations. The default implementation corresponds to doing nothing.
Implementors
impl<'a, O> ArgminIter for NonlinearConjugateGradient<'a, O> where
O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminNorm<f64>,
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O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminNorm<f64>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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Perform one iteration of SA algorithm
impl<'a, O> ArgminIter for SteepestDescent<'a, O> where
O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminNorm<f64>,
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O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminNorm<f64>,
type Param = <O as ArgminOp>::Param
type Output = f64
type Hessian = <O as ArgminOp>::Hessian
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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Perform one iteration of SA algorithm
fn init(&mut self) -> Result<(), Error>
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impl<'a, O> ArgminIter for NewtonCG<'a, O> where
O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminZero + ArgminNorm<f64>,
<O as ArgminOp>::Hessian: ArgminInv<<O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
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O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminZero + ArgminNorm<f64>,
<O as ArgminOp>::Hessian: ArgminInv<<O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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fn init(&mut self) -> Result<(), Error>
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impl<'a, O> ArgminIter for BFGS<'a, O> where
O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Hessian> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminNorm<f64> + ArgminMul<f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminSub<<O as ArgminOp>::Hessian, <O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Hessian, <O as ArgminOp>::Hessian> + ArgminAdd<<O as ArgminOp>::Hessian, <O as ArgminOp>::Hessian> + ArgminMul<f64, <O as ArgminOp>::Hessian> + ArgminTranspose + ArgminEye,
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O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Hessian> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminNorm<f64> + ArgminMul<f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminSub<<O as ArgminOp>::Hessian, <O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Hessian, <O as ArgminOp>::Hessian> + ArgminAdd<<O as ArgminOp>::Hessian, <O as ArgminOp>::Hessian> + ArgminMul<f64, <O as ArgminOp>::Hessian> + ArgminTranspose + ArgminEye,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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impl<'a, O> ArgminIter for TrustRegion<'a, O> where
O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminZero + ArgminMul<f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
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O: 'a + ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminZero + ArgminMul<f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = f64
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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impl<O> ArgminIter for ConjugateGradient<O> where
O: ArgminOp<Output = <O as ArgminOp>::Param>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64>,
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O: ArgminOp<Output = <O as ArgminOp>::Param>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminMul<f64, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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Perform one iteration of SA algorithm
impl<O> ArgminIter for Landweber<O> where
<O as ArgminOp>::Param: ArgminScaledSub<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
O: ArgminOp,
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<O as ArgminOp>::Param: ArgminScaledSub<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
O: ArgminOp,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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fn init(&mut self) -> Result<(), Error>
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impl<O> ArgminIter for BacktrackingLineSearch<O> where
O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
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O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = f64
type Hessian = <O as ArgminOp>::Hessian
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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fn init(&mut self) -> Result<(), Error>
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impl<O> ArgminIter for HagerZhangLineSearch<O> where
O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
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O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = f64
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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impl<O> ArgminIter for MoreThuenteLineSearch<O> where
O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
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O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminScaledAdd<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = f64
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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impl<O> ArgminIter for Newton<O> where
O: ArgminOp,
<O as ArgminOp>::Param: ArgminScaledSub<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminInv<<O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
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O: ArgminOp,
<O as ArgminOp>::Param: ArgminScaledSub<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminInv<<O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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fn init(&mut self) -> Result<(), Error>
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impl<O> ArgminIter for SimulatedAnnealing<O> where
O: ArgminOp<Output = f64>,
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O: ArgminOp<Output = f64>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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Perform one iteration of SA algorithm
fn init(&mut self) -> Result<(), Error>
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impl<O> ArgminIter for CauchyPoint<O> where
O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64>,
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O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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impl<O> ArgminIter for Dogleg<O> where
O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminInv<<O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
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O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminInv<<O as ArgminOp>::Hessian> + ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
type Param = <O as ArgminOp>::Param
type Output = <O as ArgminOp>::Output
type Hessian = <O as ArgminOp>::Hessian
fn init(&mut self) -> Result<(), Error>
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fn next_iter(&mut self) -> Result<ArgminIterData<Self::Param>, Error>
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impl<O> ArgminIter for Steihaug<O> where
O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminZero + ArgminMul<f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,
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O: ArgminOp<Output = f64>,
<O as ArgminOp>::Param: ArgminMul<f64, <O as ArgminOp>::Param> + ArgminWeightedDot<<O as ArgminOp>::Param, f64, <O as ArgminOp>::Hessian> + ArgminNorm<f64> + ArgminDot<<O as ArgminOp>::Param, f64> + ArgminAdd<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminSub<<O as ArgminOp>::Param, <O as ArgminOp>::Param> + ArgminZero + ArgminMul<f64, <O as ArgminOp>::Param>,
<O as ArgminOp>::Hessian: ArgminDot<<O as ArgminOp>::Param, <O as ArgminOp>::Param>,