# Struct argmin::solver::quasinewton::sr1_trustregion::SR1TrustRegion[−][src]

`pub struct SR1TrustRegion<B, R, F> { /* fields omitted */ }`
Expand description

SR1 Trust Region method

Example

# References:

[0] Jorge Nocedal and Stephen J. Wright (2006). Numerical Optimization. Springer. ISBN 0-387-30303-0.

## Implementations

### `impl<B, R, F: ArgminFloat> SR1TrustRegion<B, R, F>`[src]

Constructor

#### `pub fn hessian(self, init_hessian: B) -> Self`[src]

provide initial Hessian (if not provided, the algorithm will try to compute it using the `hessian` method of `ArgminOp`.

Set r

Set eta

#### `pub fn with_tol_grad(self, tol_grad: F) -> Self`[src]

Sets tolerance for the stopping criterion based on the change of the norm on the gradient

## Trait Implementations

### `impl<B: Clone, R: Clone, F: Clone> Clone for SR1TrustRegion<B, R, F>`[src]

#### `fn clone(&self) -> SR1TrustRegion<B, R, F>`[src]

Returns a copy of the value. Read more

#### `fn clone_from(&mut self, source: &Self)`1.0.0[src]

Performs copy-assignment from `source`. Read more

### `impl<'de, B, R, F> Deserialize<'de> for SR1TrustRegion<B, R, F> where    B: Deserialize<'de>,    R: Deserialize<'de>,    F: Deserialize<'de>, `[src]

#### `fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where    __D: Deserializer<'de>, `[src]

Deserialize this value from the given Serde deserializer. Read more

### `impl<B, R, F> Serialize for SR1TrustRegion<B, R, F> where    B: Serialize,    R: Serialize,    F: Serialize, `[src]

#### `fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where    __S: Serializer, `[src]

Serialize this value into the given Serde serializer. Read more

### `impl<O, B, R, F> Solver<O> for SR1TrustRegion<B, R, F> where    O: ArgminOp<Output = F, Hessian = B, Float = F>,    O::Param: Debug + Clone + Default + Serialize + ArgminSub<O::Param, O::Param> + ArgminAdd<O::Param, O::Param> + ArgminDot<O::Param, O::Float> + ArgminDot<O::Param, O::Hessian> + ArgminNorm<O::Float> + ArgminZeroLike + ArgminMul<F, O::Param>,    B: Debug + Clone + Default + Serialize + DeserializeOwned + ArgminSub<O::Hessian, O::Hessian> + ArgminDot<O::Param, O::Param> + ArgminDot<O::Hessian, O::Hessian> + ArgminAdd<O::Hessian, O::Hessian> + ArgminMul<F, O::Hessian>,    R: ArgminTrustRegion<F> + Solver<OpWrapper<O>>,    F: ArgminFloat + ArgminNorm<O::Float>, `[src]

#### `const NAME: &'static str`[src]

Name of the solver

#### `fn next_iter(    &mut self,     op: &mut OpWrapper<O>,     state: &IterState<O>) -> Result<ArgminIterData<O>, Error>`[src]

Computes one iteration of the algorithm.

#### `fn terminate(&mut self, state: &IterState<O>) -> TerminationReason`[src]

Checks whether the algorithm must be terminated

#### `fn terminate_internal(&mut self, state: &IterState<O>) -> TerminationReason`[src]

Checks whether basic termination reasons apply. Read more

## Blanket Implementations

### `impl<T> Any for T where    T: 'static + ?Sized, `[src]

#### `pub fn type_id(&self) -> TypeId`[src]

Gets the `TypeId` of `self`. Read more

### `impl<T> Borrow<T> for T where    T: ?Sized, `[src]

#### `pub fn borrow(&self) -> &T`[src]

Immutably borrows from an owned value. Read more

### `impl<T> BorrowMut<T> for T where    T: ?Sized, `[src]

#### `pub fn borrow_mut(&mut self) -> &mut T`[src]

Mutably borrows from an owned value. Read more

### `impl<T> From<T> for T`[src]

#### `pub fn from(t: T) -> T`[src]

Performs the conversion.

### `impl<T, U> Into<U> for T where    U: From<T>, `[src]

#### `pub fn into(self) -> U`[src]

Performs the conversion.

### `impl<T> ToOwned for T where    T: Clone, `[src]

#### `type Owned = T`

The resulting type after obtaining ownership.

#### `pub fn to_owned(&self) -> T`[src]

Creates owned data from borrowed data, usually by cloning. Read more

#### `pub fn clone_into(&self, target: &mut T)`[src]

🔬 This is a nightly-only experimental API. (`toowned_clone_into`)

Uses borrowed data to replace owned data, usually by cloning. Read more

### `impl<T, U> TryFrom<U> for T where    U: Into<T>, `[src]

#### `type Error = Infallible`

The type returned in the event of a conversion error.

#### `pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`[src]

Performs the conversion.

### `impl<T, U> TryInto<U> for T where    U: TryFrom<T>, `[src]

#### `type Error = <U as TryFrom<T>>::Error`

The type returned in the event of a conversion error.

#### `pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`[src]

Performs the conversion.