Search results
Jump to navigation
Jump to search
- Using this definition, the negative of a non-zero gradient is always a ...all with differing merits, such as [[gradient descent]] or the [[conjugate gradient method]]. ...2 KB (276 words) - 17:40, 18 January 2025
- ...rst order]]. However under certain conditions it's possible to recover the gradient at certain locations within each element to [[Second order approximation|se ...2=R. D. | title=On the supraconvergence of elliptic finite difference methods | journal=Applied Numerical Mathematics | volume=28 | pages=275–292 | year= ...2 KB (213 words) - 21:45, 5 May 2021
- * [[Stochastic gradient descent]] [[Category:Optimization algorithms and methods]] ...749 bytes (97 words) - 15:25, 27 May 2022
- * [[Newtonianism]], the philosophical principle of applying Newton's methods in a variety of fields ...like water—its shear stress is linearly proportional to the velocity gradient in the direction perpendicular to the plane of shear ...688 bytes (91 words) - 14:28, 7 February 2024
- ...s]], more specifically in [[numerical linear algebra]], the '''biconjugate gradient method''' is an [[algorithm]] to solve [[system of linear equations|systems Unlike the [[conjugate gradient method]], this algorithm does not require the [[matrix (mathematics)|matrix ...7 KB (1,159 words) - 06:59, 23 January 2025
- ==Active-set methods== Methods that can be described as '''active-set methods''' include:<ref>{{harvnb|Nocedal|Wright|2006|pp=467–480}}</ref> ...6 KB (846 words) - 21:11, 7 May 2025
- ...| last1 = Wolfe | first1 = P. | title = Convergence Conditions for Ascent Methods. II: Some Corrections | doi = 10.1137/1013035 | journal = [[SIAM Review]] | In these methods the idea is to find ...7 KB (1,039 words) - 16:51, 18 January 2025
- ...o generate an effect which can be measured using several [[spectroscopic]] methods, such as [[nuclear magnetic resonance]] (NMR), [[microwave spectroscopy]], ...up>2</sup>. [[Density functional theory]] has become an important tool for methods of [[nuclear spectroscopy]] to calculate EFGs and provide a deeper understa ...5 KB (737 words) - 17:31, 26 January 2025
- ...ction. The descent direction can be computed by various methods, such as [[gradient descent]] or [[quasi-Newton method]]. The step size can be determined eithe === Zero-order methods === ...9 KB (1,323 words) - 01:59, 11 August 2024
- ...ics | volume = 6 | issue = 5 | pages = 1 | year = 1966 }}</ref> '''reduced gradient algorithm''' and the '''convex combination algorithm''', the method was ori While competing methods such as [[gradient descent]] for constrained optimization require a [[Projection (mathematics) ...8 KB (1,226 words) - 19:37, 11 July 2024
- ...f the crucible, in vertical Bridgman method allows for a small temperature gradient only near the liquid-solid interface.<ref>https://books.google.com.pa/books ...n of the Bridgman technique allows for better control over the temperature gradient at the melt/crystal interface. ...6 KB (798 words) - 01:03, 11 May 2025
- ...e observed negative [[Hessian matrix]] with the [[outer product]] of the [[gradient]]. This approximation is based on the [[Fisher information|information matr ...'Econometric Modelling with Time Series'', Chapter 3 'Numerical Estimation Methods'. Cambridge University Press, 2015. ...4 KB (586 words) - 15:26, 22 June 2025
- * [[Geothermal gradient]], down which heat flows within the Earth * [[Geothermal heating]], methods of heating and cooling a building using underground heat ...1 KB (198 words) - 13:44, 26 March 2024
- ...erential expression that corresponds to the second-order derivative in the gradient direction (both of these operations preceded by a Gaussian smoothing step). ...2 KB (326 words) - 12:03, 1 March 2023
- ...rative method is usually performed; however, [[heuristic]]-based iterative methods are also common. ...nvolving many variables (sometimes on the order of millions), where direct methods would be prohibitively expensive (and in some cases impossible) even with t ...11 KB (1,637 words) - 01:03, 20 June 2025
- '''Ordination''' or '''gradient analysis''', in [[multivariate analysis]], is a method complementary to [[d == Methods == ...7 KB (952 words) - 00:29, 24 May 2025
- ...is governed by the [[Mass diffusivity|diffusivity]] and the concentration gradient. ...t of atoms) is always in the opposite direction of the [[concentration]] [[gradient]].]] ...4 KB (602 words) - 08:33, 8 April 2023
- ...an explicit representation of <math>A</math>, giving rise to [[Matrix-free methods]]. ...endence|linearly dependent]] due to the properties of [[power iteration]], methods relying on Krylov subspace frequently involve some [[orthogonalization]] sc ...7 KB (986 words) - 18:22, 17 February 2025
- | class="mw-no-invert" style={{Linear-gradient background|#{{Color temperature|15000|hexval}}|#{{Color temperature|27000|h | class="mw-no-invert" style={{Linear-gradient background|#{{Color temperature|10000|hexval}}|#{{Color temperature|12000|h ...8 KB (998 words) - 15:46, 25 May 2025
- The '''Understeer Gradient (U)''' is the rate of change of the understeer angle with respect to latera ...understeer gradient is negative, and '''Neutral steer''' if the understeer gradient is zero. ...10 KB (1,495 words) - 06:33, 15 April 2025