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searching for Saddle point 117 found (233 total)

alternate case: saddle point

Condorcet (crater) (407 words) [view diff] exact match in snippet view article

Hansen and Alhazen. The outer rim of Condorcet is eroded, with a low saddle point along the northern wall and the satellite crater Condorcet Y lies across

recently of wetted surfaces. DMol3 permits geometry optimisation and saddle point search with and without geometry constraints, as well as calculation

outer wall has not been significantly eroded, although it has a low saddle-point along the south. The interior floor has been resurfaced by basaltic-lava

located at the eastern side of Corinthian Bay, close west to Saddle Point. Saddle Point separates Downes Glacier from Challenger Glacier. Surveyed by

west to Saddle Point. To the east of Challenger Glacier is Downes Glacier, whose terminus is located at Mechanics Bay, between Saddle Point and Cape

Passeier Valley in the Italian province of South Tyrol, as it bridges the saddle point between the Jochköpfl (3,141 metres (10,305 ft)) and Wurmkogl (3,082

the electron density is a maximum at the corresponding internuclear saddle point, which also lies at the minimum of the ridge between corresponding pair

Minimax (sometimes Minmax, MM or saddle point) is a decision rule used in artificial intelligence, decision theory, game theory, statistics, and philosophy

integral; Rice's contribution was to demonstrate its utility by applying saddle-point techniques to its evaluation. The nth forward difference of a function

Downes Glacier, whose terminus is located at Mechanics Bay, between Saddle Point and Cape Bidlingmaier. Ealey Glacier is named after E. H. M. "Tim" Ealey

sufficient condition for a saddle point problem to have a unique solution that depends continuously on the input data. Saddle point problems arise in the discretization

is important to consider the topology of the unstable manifold of the saddle point. The figures show two cases. First, when the stable manifold is topologically

equilibrium points, they must be two clockwise spiral points and one saddle point. If the linear nullcline pierces the cubic nullcline from downwards then

and extremely huge as a castle of this period. The entrance was at the saddle point between these two peaks, and was protected by a masugata-gate and stone

so-called Fuente Berroqueña (Villatoro, province of Ávila), near the saddle point between La Serrota [es] and the Sierra de Ávila. Initially following

terminus is located at the eastern side of Corinthian Bay, close west to Saddle Point. To the south of Baudissin Glacier is Schmidt Glacier, and to the northwest

wide and recedes 1.5 miles (2.4 km), entered between Rogers Head and Saddle Point on the north coast of Heard Island in the southern Indian Ocean. The

Bay is a bay, 1 nautical mile (2 km) wide, lying immediately east of Saddle Point on the north coast of Heard Island in the southern Indian Ocean. It was

A col, also called saddle point or neutral point, is in meteorology, the point of intersection of a trough and a ridge in the pressure pattern of a weather

latter done jointly with Antonio Ambrosetti. However also the linking and saddle point theorems, results concerning the existence of periodic solutions to hamiltonian

enforcing the applicable partial differential equations. This results in a saddle point system having negative pivots and eigenvalues, rendering the system matrix

conjecture regarding high energy symmetry of string theory was based on the saddle-point calculation of hard string scattering amplitudes (SSA) of both the closed

connection refers to a situation where an orbit from one saddle point enters the same or another saddle point, i.e. the unstable and stable separatrices are connected

of cairns. The trail levels about 200 feet (61 m) below the summit at saddle point before beginning the final ascent. Alternative trails cover the eastern

a<0<b} , then det A < 0 {\displaystyle \det A<0} , and the origin is a saddle point. with integral curves of form y = c x − | b / a | {\displaystyle y=cx^{-|b/a|}}

eleven kilometers to the east. The Cauldstane Slap pass runs at the saddle point between West and East Cairn Hill. The surrounding hills include Colzium

maximum, as well a local contrast defined from a so-called delimiting saddle point. A local extremum with extent defined in this way was referred to as

electrostatic embedding QM/MM calculations Automatic geometry optimization, saddle-point searches Automatic searches for the minima on conical intersection seams

physical system, by identifying it as an extremum (minimum, maximum or saddle point) of a function or functional. Variational methods are exploited in many

(0)} is very close to a saddle point. The body would linger near the saddle point, then rapidly move to the other saddle point, near ω ( T / 2 ) {\displaystyle

eleven kilometers to the east. The Cauldstane Slap pass runs at the saddle point between West and East Cairn Hill. The surrounding hills include Wether

prominence, (6,073 ft), and the center of the mesa contains a minor saddle point. One famous historical native tribes remains, is the Nankoweap Granaries

across the surface such that the position of the transition state (the saddle point) is altered. Consider a generic example in which the initial transition

area of 20th-century housing known as Penyraber, beside the cliffs of Saddle Point. It also includes the steep slopes of the Lower Town area and the quayside

certain forms of crystalline carbon, such as diamond and graphite, a saddle point or "hump" occurs at the bond site in the charge density. The triplet

\mathrm {d} z.} This line integral can then be approximated using the saddle-point method with an appropriate choice of contour radius r = r n {\displaystyle

(x)=e^{-1/(1-x^{2})}\mathbf {1} _{\{|x|<1\}}} from above can be analyzed by a saddle-point method, and decays asymptotically as | k | − 3 / 4 e − | k | {\displaystyle

a short ridgeline with a summit of 63 ft (19 m) prominence above the saddle point to Big Round Top to the south. It is located in Cumberland Township,

Chenmo valley. To all appearances, the Kongka Pass was an unimportant saddle point, while the normal travel route followed the course of the Changchenmo

for the right. The separatrix itself is the stable manifold for the saddle point in the middle. Details are found in the page. The separatrix is clearly

reaches the level of the critical saddle point between the two hills the island contours touch at precisely the saddle point. We observe that our object count

He won a SIAM Outstanding Paper Prize in 2001. Numerical solution of saddle point problems. M Benzi, GH Golub, J Liesen. Acta Numerica 14, 1-137 Preconditioning

Alpine-like relief with 24 summits more than 6,000 m in height. The lowest saddle point, Kamaloyak (Камалояк), is at the altitude of 4,340 m (14,240 ft). The

5 ft × 4 ft). The hanging cables rise ten meters to the top from the saddle point and the bracing cables fall four meters to the valley of the ring beam

2019-11-24. Shen, Bo-Wen; Pielke, Roger A.; Zeng, Xubin (2022-05-07). "One Saddle Point and Two Types of Sensitivities within the Lorenz 1963 and 1969 Models"

(considered in the rotating frame) cancel out. Mass can flow through the saddle point L1 from one star to its companion, if the star fills its Roche lobe.

Title Year First published in Reprinted in "The Saddle Point Sequence" 1996 Science Fiction Age (Jul 1996) "Last Contact" 2007 The Solaris Book of New

enabled chemical engineers to improve a process that had been stuck at a saddle-point for years. The engineers had not been able to afford to fit a cubic three-level

of Goldstone bosons. Sphalerons are a field configuration which is a saddle point of the Yang–Mills field equations. Sphalerons are used in nonperturbative

typically arise in the approximation of certain integrals (Laplace's method, saddle-point method, method of steepest descent) or in the approximation of probability

Shrewsbury, UK Occupation Statistician Known for The Parry-Daniels map Saddle point approximation Spouse Barbara Pickering (m. 1950) Children 2 Academic

(state-operated), in Las Vegas, Nevada Red Rocks Park, Colorado Red Rock Pass (a saddle-point), Idaho Red Rock State Park, in Arizona Red Rock Preserve, within Edge

OCLC 56620850. Shen, Bo-Wen; Pielke, Roger A.; Zeng, Xubin (2022-05-07). "One Saddle Point and Two Types of Sensitivities within the Lorenz 1963 and 1969 Models"

S2CID 122339502. Shen, Bo-Wen; Pielke, Roger A.; Zeng, Xubin (2022-05-07). "One Saddle Point and Two Types of Sensitivities within the Lorenz 1963 and 1969 Models"

"saddle point" configuration. As the nucleus deforms, the nuclear Coulomb energy decreases while the nuclear surface energy increases. At the saddle point

including Eigenvector Following (EF) algorithm for minimization and saddle-point search, Pulay's GDIIS algorithm for minimization, use of Cartesian, Z-matrix

Nevea; through the Dogna Valley, from the town of Dogna to the Somdogna Saddle, point of connection with the Saisera Valley; through the Rio del Lago Valley

extends to the northeast. The ridge to the northwest is broken by a saddle point but otherwise extends several miles, curving north and east, around Silver

this method to a large number of combinatorial examples, and study the saddle-point method of contour integration for handling some trickier examples. The

condition for the numerical stability of mixed finite element problems with saddle point structure, such as the discretization of the incompressible Navier-Stokes

bladder inflated and properly closed, the sleeve securely sewn to the saddle point and laced on the side (resulting in a ball that resembled a rugby of

mechanics Feynman path integral Partition function (quantum field theory) Saddle point approximation Daniell, P. J. (July 1919). "Integrals in An Infinite Number

{\displaystyle N\rightarrow \infty } , that is, in the thermodynamic limit, the saddle point approximation tells us the integral is asymptotically dominated by the

161° between the axial oxygens. The more symmetrical D3h species is a saddle point, 49 kJ/mol above the C2v minimum. The authors invoke a second-order Jahn–Teller

the VSM to maximize the induced signal, reduce the noise, give a wide saddle point, minimize the volume in between the sample and electromagnet to achieve

reached cooperation agreements with activist investors Third Point and Saddle Point Management. The investors now own a 5 per cent stake in Advance Auto

functional S {\displaystyle {\mathcal {S}}} (either a minimum, maximum or saddle point). This requirement can be satisfied if and only if Euler–Lagrange equations

notably by the structure of the pommels but also due to a much longer saddle point on the left side of the saddle. Horses are fitted in a manner similar

Saddle point in the South Shetland Islands, Antarctica

Michele; Golub, Gene H.; Liesen, Jörg (2005). "Numerical solution of saddle point problems". Acta Numerica. 14: 1–137. Bibcode:2005AcNum..14....1B. doi:10

retrieved 2024-04-25 Büttiker, M. (1990). "Quantized Transmission of a Saddle-Point Constriction". Physical Review B. 41 (11): 7906–7909. doi:10.1103/PhysRevB

optimization problem with continuous convex objectives and for convex-concave saddle point problems. These algorithms were observed to attain the nonasymptotic

(BCP) existing between two nuclei. This can be understood simply as a saddle point on an electron density map of a molecule. Hydrogen and halogen bonds

{q} _{1}} and q 2 {\displaystyle \mathbf {q} _{2}} is a minimum or a saddle point of the abbreviated action functional, S 0 [ q ( t ) ]   = d e f   ∫ p

Michele; Golub, Gene H.; Liesen, Jörg (May 2005). "Numerical solution of saddle point problems". Acta Numerica. 14: 1–137. Bibcode:2005AcNum..14....1B. CiteSeerX 10

2021-02-21. Retrieved 2020-10-14. Klinkhammer, F.; Manton, N. (1984). "A Saddle Point Solution in the Weinberg Salam Theory". Physical Review D. 30 (10): 2212

the interaction. The sandwich configuration represents an energetic saddle point, which is consistent with the relative rarity of this configuration in

as }}M\to \infty .} for a path passing through the saddle point at z0. Note the explicit appearance of a minus sign to indicate the direction

1093/biomet/67.1.59, JSTOR 2335316 Lugannani, R.; Rice, S. (1980), "Saddle Point Approximation for the Distribution of the Sum of Independent Random Variables"

little as 100 nanoseconds and beta turns in 1 microsecond. There exists a saddle point in the energy funnel landscape where the transition state for a particular

{\displaystyle f(\theta _{m})} will converge to a local optimum or a saddle point as m goes to infinity. By the above construction f ( θ m + 1 ) ≥ g (

frequency (roughly as k − 2 / 3 {\displaystyle k^{-2/3}} ). Using the saddle point method, we can show that A k ∼ 4 π 3 / 2 3 κ exp ⁡ ( − 3 κ 2 + π 2 4

Reservoir. From there, a path leads to Coldstane Slap, which marks the saddle point between West Cairn Hill and East Cairn Hill at an altitude of 441 meters

"deadline game in a half plane". Proof of the existence of an epsilon-saddle point in piecewise open loop strategies in general dynamic zero-sum games with

Zulehner, Walter (2007-01-01). "Symmetric Indefinite Preconditioners for Saddle Point Problems with Applications to PDE-Constrained Optimization Problems"

properties. Transition state geometry - Locates the nearest first-order saddle point (a maximum in a single dimension and minima in all others) and provides

Mechanics and Analysis. 3: 725–743. JSTOR 24900311. Dolph, C. L. (1957). "A Saddle Point Characterization of the Schwinger Stationary Points in Exterior Scattering

Moor Cliff West Moor Cliff Trewent Point Greenala Point Stackpole Head Saddle Point Long Matthew Point St Govan's Head* Saddle Head Mewsford Point Moody

into any quantity can be evaluated at large N {\displaystyle N} in the saddle-point approximation for functional integrals and is determined by instanton

for vertices. The move to be made corresponded to a certain specified saddle point in the network. The machine played a reasonably good game of Hex. Later

using pairwise Jacobi rotations. However, this approach is prone to saddle point convergence (if it even converges), and thus other approaches have also

{x}}.} This value of θ {\displaystyle \theta } is referred to as the saddle-point, and the above expansion is always evaluated at the expectation of the

Iterative solvers and preconditioning techniques for sparse linear systems Saddle-point linear systems Numerical solution of elliptic partial differential equations

the values with zero tangent slope are indeed a maximum (instead of a saddle-point or a minimum) one has to also satisfy the condition that the curvature

the values with zero tangent slope are indeed a maximum (instead of a saddle-point or a minimum) one has to also satisfy the condition that the curvature

B. O. (1965-07-19). "Optical-Field Effect on Thresholds, Saddle-Point Edges, and Saddle-Point Excitons". Physical Review Letters. 15 (3). American Physical

/ 12 , 5 / 12 ) {\displaystyle b\in (-1/12,5/12)} , the origin is a saddle point, so the amplitude of oscillation A 2 + B 2 {\displaystyle {\sqrt {A^{2}+B^{2}}}}

change in conductivity depends only on the distance between a fixed saddle point and the conductivity. The scaling behavior near the quantum Hall transitions

saddle and there is a mountain hut Rifugio Bocca di Navene directly at the saddle point. List of highest paved roads in Europe List of mountain passes

(m-p_{1}x_{1}-p_{2}x_{2}),} taking first-order conditions and solving for its saddle point we obtain x 1 ∗ , x 2 ∗ , λ ∗ {\displaystyle x_{1}^{*},\,x_{2}^{*},\

linked to surface weather patterns. rotation See cyclonic rotation. saddle point See col. Saffir–Simpson hurricane wind scale (SSHWS) A rating system

difference between an attracting LCS and a classic unstable manifold of a saddle point, for evolving times, in an autonomous dynamical system. Assume that the

Rye. Arvania  United Kingdom The ship was driven ashore and wrecked at Saddle Point, Pembrokeshire. Her crew were rescued. She was on a voyage from London

of Elephant Spit. It is 20 kilometres (12 mi) wide at a point between Saddle Point on the north coast and the Long Beach on the south coast. It has two

either a maxima or a minima, and a negative A {\displaystyle A} means a saddle point in the arrival surface. For a single point lens, one can show (albeit

along the hill until it reaches northern side of the hill. From the saddle point one path leads to the top of the fort and other leads to the needle hole

1090/tran/8186, MR 4196380, S2CID 59366007 Au, Thomas Kwok-Keung (2010), "On the saddle point property of Abresch-Langer curves under the curve shortening flow", Communications

suitable for pitching a tent until on July 2 Petzoldt found a small saddle point hidden away but suitable for several tents. This decided the line of

for crossing the barrier ( ν ‡ {\displaystyle \nu ^{\ddagger }} ) at a saddle point in the potential energy surface: d = − 1 3 ( h ν ‡ 2 E o ) 2 {\displaystyle

Lawrence, N. D.; Weinberger, K. Q. (eds.). Identifying and attacking the saddle point problem in high-dimensional non-convex optimization (PDF). Curran Associates

ripening [16,17]. He also contributed into binary nucleation theory with a saddle point of the formation energy, with applications in growth theory of strain-induced

Full Characterizations of Minimax Inequality, Fixed Point Theorem, Saddle Point Theorem, and KKM Principle in Arbitrary Topological Spaces. Journal of

algorithms using surface fitting, which has the problem of determining the saddle point as a local maximum or minimum. Sifting is the process which separates

G} , respectively. The Chambolle-Pock algorithm solves the so-called saddle-point problem min x ∈ X max y ∈ Y ⟨ K x , y ⟩ + G ( x ) − F ∗ ( y ) {\displaystyle

from the initial molecular state to the dissociated state. This is the saddle point of the potential energy surface of the process. Another approach for

to forecasts, the storm made a sharp turn east; Jelawat had entered a saddle point between subtropical ridges to the east and west. Jelawat continued to

Island 12.8 m, 26 ton fishing vessel 6 Easy Rider 2012 Capsized near Saddle Point 38 foot fishing vessel 8 Secret Drifted into Horseshoe Bay after her