Struct nalgebra::linalg::Hessenberg[−][src]

pub struct Hessenberg<T: ComplexField, D: DimSub<U1>> where
    DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,  { /* fields omitted */ }

Expand description

Hessenberg decomposition of a general matrix.

Implementations

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impl<T: ComplexField, D: DimSub<U1>> Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, D> + Allocator<T, DimDiff<D, U1>>,

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pub fn new(hess: OMatrix<T, D, D>) -> Self

Computes the Hessenberg decomposition using householder reflections.

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pub fn new_with_workspace(
hess: OMatrix<T, D, D>,
work: &mut OVector<T, D>
) -> Self

Computes the Hessenberg decomposition using householder reflections.

The workspace containing D elements must be provided but its content does not have to be initialized.

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pub fn unpack(self) -> (OMatrix<T, D, D>, OMatrix<T, D, D>)

Retrieves (q, h) with q the orthogonal matrix of this decomposition and h the hessenberg matrix.

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pub fn unpack_h(self) -> OMatrix<T, D, D>

Retrieves the upper trapezoidal submatrix H of this decomposition.

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pub fn h(&self) -> OMatrix<T, D, D>

Retrieves the upper trapezoidal submatrix H of this decomposition.

This is less efficient than .unpack_h() as it allocates a new matrix.

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pub fn q(&self) -> OMatrix<T, D, D>

Computes the orthogonal matrix Q of this decomposition.

Trait Implementations

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impl<T: Clone + ComplexField, D: Clone + DimSub<U1>> Clone for Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,

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fn clone(&self) -> Hessenberg<T, D>

Returns a copy 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<T: Debug + ComplexField, D: Debug + DimSub<U1>> Debug for Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,

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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<T: ComplexField, D: DimSub<U1>> Copy for Hessenberg<T, D> where
 DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,
 OMatrix<T, D, D>: Copy,
 OVector<T, DimDiff<D, U1>>: Copy,

Auto Trait Implementations

impl<T, D> !RefUnwindSafe for Hessenberg<T, D>

impl<T, D> !Send for Hessenberg<T, D>

impl<T, D> !Sync for Hessenberg<T, D>

impl<T, D> !Unpin for Hessenberg<T, D>

impl<T, D> !UnwindSafe for Hessenberg<T, D>

Blanket Implementations

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

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pub 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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pub 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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pub 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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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,

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pub fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more

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pub fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).

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pub fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.

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pub fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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pub fn clone_into(&self, target: &mut T)

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

recently added

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct nalgebra::linalg::Hessenberg[−][src]

Implementations

impl<T: ComplexField, D: DimSub<U1>> Hessenberg<T, D> where DefaultAllocator: Allocator<T, D, D> + Allocator<T, D> + Allocator<T, DimDiff<D, U1>>,

pub fn new(hess: OMatrix<T, D, D>) -> Self

pub fn new_with_workspace( hess: OMatrix<T, D, D>, work: &mut OVector<T, D>) -> Self

pub fn unpack(self) -> (OMatrix<T, D, D>, OMatrix<T, D, D>)

pub fn unpack_h(self) -> OMatrix<T, D, D>

pub fn h(&self) -> OMatrix<T, D, D>

pub fn q(&self) -> OMatrix<T, D, D>

Trait Implementations

impl<T: Clone + ComplexField, D: Clone + DimSub<U1>> Clone for Hessenberg<T, D> where DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,

fn clone(&self) -> Hessenberg<T, D>

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

impl<T: Debug + ComplexField, D: Debug + DimSub<U1>> Debug for Hessenberg<T, D> where DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,

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

impl<T: ComplexField, D: DimSub<U1>> Copy for Hessenberg<T, D> where DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>, OMatrix<T, D, D>: Copy, OVector<T, DimDiff<D, U1>>: Copy,

Auto Trait Implementations

impl<T, D> !RefUnwindSafe for Hessenberg<T, D>

impl<T, D> !Send for Hessenberg<T, D>

impl<T, D> !Sync for Hessenberg<T, D>

impl<T, D> !Unpin for Hessenberg<T, D>

impl<T, D> !UnwindSafe for Hessenberg<T, D>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<SS, SP> SupersetOf<SS> for SP where SS: SubsetOf<SP>,

pub fn to_subset(&self) -> Option<SS>

pub fn is_in_subset(&self) -> bool

pub fn to_subset_unchecked(&self) -> SS

pub fn from_subset(element: &SS) -> SP

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

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

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T: ComplexField, D: DimSub<U1>> Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, D> + Allocator<T, DimDiff<D, U1>>,

pub fn new_with_workspace(
hess: OMatrix<T, D, D>,
work: &mut OVector<T, D>
) -> Self

impl<T: Clone + ComplexField, D: Clone + DimSub<U1>> Clone for Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,

impl<T: Debug + ComplexField, D: Debug + DimSub<U1>> Debug for Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,

impl<T: ComplexField, D: DimSub<U1>> Copy for Hessenberg<T, D> where
DefaultAllocator: Allocator<T, D, D> + Allocator<T, DimDiff<D, U1>>,
OMatrix<T, D, D>: Copy,
OVector<T, DimDiff<D, U1>>: Copy,

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

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

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

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

impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,

impl<T> ToOwned for T where
T: Clone,

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

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,