- An
eikonal equation (from Gr**** εἰκών, image) is a non-linear first-order
partial differential equation that is
encountered in
problems of wave propagation...
-
Eikonal is the
German form of the Gr**** word εἰκών,
meaning likeness, icon or image. It can
refer to:
Eikonal equation, a non-linear
partial differential...
- In
theoretical physics, the
eikonal approximation (Gr**** εἰκών for likeness, icon or image) is an
approximative method useful in wave
scattering equations...
-
Operation Eikonal is a
collaboration between the
National Security Agency (NSA) and
Bundesnachrichtendienst (BND) for the
sharing of
telephony and Internet...
-
function is
differentiable almost everywhere, and its
gradient satisfies the
eikonal equation | ∇ f | = 1. {\displaystyle |\nabla f|=1.} If the
boundary of...
- ^{2}S=-\nabla ^{2}A_{m-1}.} The
first equation is
known as the
eikonal equation,
which determines the
eikonal S ( r ) {\displaystyle S(\mathbf {r} )} is a Hamilton–Jacobi...
-
method is a
numerical method for
solving boundary value problems of the
Eikonal equation. | ∇ u ( x ) | = 1 f ( x ) for x ∈ Ω {\displaystyle |\nabla...
-
method created by
James Sethian for
solving boundary value problems of the
Eikonal equation: | ∇ u ( x ) | = 1 / f ( x ) for x ∈ Ω {\displaystyle |\nabla...
- fact that the
important "quasi-optical"
singularities of the so-called
eikonal approximations of many wave equations,
namely the "caustics", are resolved...
- part in a "ritual" that "shall seem like an investigation". In
Operation Eikonal German BND
agents received "Selector Lists" from the NSA −
search terms...
