scirs2_autograd::testing::finite_differences

Struct FiniteDifferenceComputer

pub struct FiniteDifferenceComputer<F: Float> { /* private fields */ }

Expand description

Finite difference gradient computer

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impl<F: Float> FiniteDifferenceComputer<F>

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pub fn new() -> Self

Create a new finite difference computer

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pub fn with_config(config: FiniteDifferenceConfig) -> Self

Create with custom configuration

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pub fn compute_gradient<'a, Func>( &self, function: Func, input: &Tensor<'a, F>, ) -> Result<Tensor<'a, F>, StabilityError>
where Func: for<'b> Fn(&Tensor<'b, F>) -> Result<Tensor<'b, F>, StabilityError>,

Compute finite difference approximation of gradient

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pub fn compute_hessian<'a, Func>( &self, function: Func, input: &Tensor<'a, F>, ) -> Result<Array<F, IxDyn>, StabilityError>
where Func: for<'b> Fn(&Tensor<'b, F>) -> Result<Tensor<'b, F>, StabilityError>,

Compute second-order derivatives (Hessian approximation)

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impl<F: Float> Default for FiniteDifferenceComputer<F>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<F> UnwindSafe for FiniteDifferenceComputer<F>
where F: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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