sklears_kernel_approximation::sparse_gp::kernels

Struct RBFKernel

pub struct RBFKernel {
    pub length_scale: f64,
    pub signal_variance: f64,
}

Expand description

RBF (Gaussian) kernel implementation with optimized computations

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§length_scale: f64

Length scale parameter

§signal_variance: f64

Signal variance parameter

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impl RBFKernel

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pub fn new(length_scale: f64, signal_variance: f64) -> Self

Create new RBF kernel with specified parameters

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impl Clone for RBFKernel

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fn clone(&self) -> RBFKernel

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for RBFKernel

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl SparseKernel for RBFKernel

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fn kernel_matrix(&self, x1: &Array2<f64>, x2: &Array2<f64>) -> Array2<f64>

Compute kernel matrix between two sets of points

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fn kernel_diagonal(&self, x: &Array2<f64>) -> Array1<f64>

Compute kernel diagonal (for efficiency when x1 == x2)

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fn parameters(&self) -> Vec<f64>

Get kernel hyperparameters

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fn set_parameters(&mut self, params: &[f64])

Set kernel hyperparameters

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fn parameter_gradients( &self, x1: &Array2<f64>, x2: &Array2<f64>, ) -> Vec<Array2<f64>> ⓘ

Compute kernel gradient with respect to hyperparameters

Auto Trait Implementations§

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impl UnwindSafe for RBFKernel

Blanket Implementations§

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. 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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