CHE SIGNIFICA EIGENFUNCTION IN INGLESE
autofunzione
Nella matematica, una funzionalità di un operatore lineare A definita in un certo spazio di funzione è qualsiasi funzione non nullo f in quel spazio che restituisce esattamente l'operatore, ad eccezione di un fattore di scala moltiplicativo. Più precisamente, per uno scalare, λ, si ha l'autovalore corrispondente. La soluzione del problema differenziale di autovalore dipende anche da qualsiasi condizione di confine richiesta da f. In ogni caso esistono solo alcune autovalori λ = λn che ammette una soluzione corrispondente per f = fn quando combinata con le condizioni di confine. Per esempio, fk = ekx è una funzione degli operatori differenziali per ogni valore di k, con una corrispondente autovalore λ = k2-k. Se vengono applicate condizioni di confine a questo sistema, solo alcuni valori di k = kn soddisfano le condizioni del contorno, generando corrispondenti autovalori discreti.
definizione di eigenfunction nel dizionario inglese
La definizione di autofunzione nel dizionario è una funzione che soddisfa un'equazione differenziale, in particolare una funzione consentita per un sistema in meccanica ondulatoria.
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10 LIBRI IN INGLESE ASSOCIATI CON «EIGENFUNCTION»
Scopri l'uso di
eigenfunction nella seguente selezione bibliografica. Libri associati con
eigenfunction e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
Eigenfunction Expansions, Operator Algebras and Riemannian ...
Chapter. 4. Eigenfunction. Expansions. on. The expansions which appear in
applications are generally parameterized by points of complex n dimensional
space CTM rather than by elements of the maximal ideal space of a von
Neumann ...
2
Separation of Variables for Partial Differential Equations: ...
An Eigenfunction Approach George Cain, Gunter H. Meyer. suitably chosen, then
u N is a good approximation to the unknown solution u. As we shall see, M will be
defined such that uN is just the partial sum of the first N terms of the infinite ...
George Cain, Gunter H. Meyer,
2011
3
The Construction of Spin Eigenfunctions: An Exercise Book
There is an alternative approach where we start from a trial spin function which is
not an eigenfunction of the S2 operator and we project from it a spin
eigenfunction. We have already used this idea in Sec. 2.2 when we annihilated
one ...
4
Quanta, Matter, and Change: A Molecular Approach to Physical ...
the function that occurs on both sides of the equation is called the eigenfunction
of the operator. Each function that satisfies an equation of this form corresponds
to a characteristic multiplicative factor. That is, each eigenfunction corresponds to
...
Peter Atkins, Julio de Paula, Ronald Friedman,
2009
5
Partial Differential Equations: Methods and Applications
where we repeat each eigenvalue according to its multiplicity. If we choose an
orthonormal basis of eigenfunctions in each eigenspace, we may arrange that {^
n}?Li is pairwise orthonormal: (69) In this notation, the eigenfunction expansion
of ...
6
Variational Methods: Open Problems, Recent Progress, and ...
It is known that A2 is the minimum of all eigenvalues, variational or otherwise,
that are strictly greater than AI, (see [3]), and it is known that any eigenfunction
associated with A2 has exactly two nodal domains (See [9] or [14].). (More about
this ...
7
Sturm-Liouville Theory: Past and Present
The. Titchmarsh-Weyl. Eigenfunction. Expansion. Theorem. for. Sturm-Liouville.
Differential. Equations. Christer Bennewitz and W. Norrie Everitt Dedicated to the
achievements and memory of Hermann Weyl 1885-1955 and Edward Charles ...
Werner O. Amrein, Andreas M. Hinz, David P. Pearson,
2005
8
Essential Mathematical Methods for Physicists
Hψ(x) = Eψ(x), is a major example of an eigenvalue equation in physics; here,
the differential operator L is defined by the Hamiltonian H and the eigenvalue is
the total energy E of the system. The eigenfunction ψ(x) is usually called a wave ...
Hans-Jurgen Weber, George Brown Arfken,
2004
9
The Symmetric Group in Quantum Chemistry
There is an alternative approach where we start from a trial spin function which is
not an eigenfunction of the S2 operator and we project from it a spin
eigenfunction. It is usual to take the trial spin function to be an eigenfunction of
the Sz ...
10
Solid State Theory in Metallurgy
The eigenfunction of the system is then : <j>i = 4>* 4>bi (5.9) where <j>al
represents the one electron eigenfunction for ion a and electron 1, and 4>bi the
eigenfunction for ion b and electron 2. Equation (5.9) is exactly analogous to the
...
7 NOTIZIE DOVE SI INCLUDE IL TERMINE «EIGENFUNCTION»
Vedi di che si parla nei media nazionali e internazionali e come viene utilizzato il termine ino
eigenfunction nel contesto delle seguenti notizie.
MathWorks Logo, Part Three, PDE Toolbox
Here is the first eigenfunction, obtained with the coarse grid, plotted with the default cool colormap. The first eigenvalue, reported in the title, ... «Automated Trader, nov 14»
Florida Tech Faculty Members Honored for Excellence
Fulton earned his award for research excellence through his contributions to the mathematical eigenfunction expansion theory associated with ... «SpaceCoastDaily.com, mag 13»
Wheeler's Utterly Simple Idea That Demands The Quantum
The Born probabilities are a natural way of extracting the amplitude of an eigenfunction from a superposition. It can hardly be a coincidence that ... «Science 2.0, set 12»
Single-Cell Level Systems Biology
This approach was appealing because it yielded a simple eigenfunction that could serve as bases to model regulatory cascades. The group ... «The New York Academy of Sciences, apr 12»
Dumb voters
... of on-going government might the democratic eigenfunction choose? .... We could say that non-privileging devices are the eigenfunction for ... «The Economist, gen 12»
Finding the Interference
Note that only one eigenfunction is used to estimate the signal. . . . Example 3: Wideband Signal Detection The previous example showed that the KLT performs ... «Inside GNSS, mag 11»
In The Beginning: A Creation Myth
More strikingly, since the theory is linear, all the infinite possible sums and differences of any pair of eigenfunction solutions, are also possible ... «NPR, apr 10»