• Thumbnail for Stability derivatives
    Stability derivatives, and also control derivatives, are measures of how particular forces and moments on an aircraft change as other parameters related...
    20 KB (3,324 words) - 13:57, 3 April 2025
  • Thumbnail for Aircraft flight dynamics
    their time derivatives. These are characterized by stability derivatives determined from the flight condition. The possible stability derivatives are: Z α...
    49 KB (8,502 words) - 12:49, 28 May 2025
  • description of an aircraft, and outputs its corresponding dimensionless stability derivatives according to the specified flight conditions. The values obtained...
    15 KB (1,875 words) - 08:15, 31 March 2025
  • natural gas, electricity and oil businesses use derivatives to mitigate risk from adverse weather. Derivatives can be used to protect lenders against the risk...
    90 KB (11,331 words) - 21:41, 24 May 2025
  • In flight dynamics, longitudinal stability is the stability of an aircraft in the longitudinal, or pitching, plane. This characteristic is important in...
    20 KB (2,763 words) - 04:44, 28 May 2025
  • {de(t)}{dt}}.} Derivative action predicts system behavior and thus improves settling time and stability of the system. An ideal derivative is not causal...
    85 KB (12,085 words) - 07:59, 24 May 2025
  • electromagnetic, mechanical and acoustic fields. Linear stability Tangent stiffness matrix Stability derivatives Linearization theorem Taylor approximation Functional...
    10 KB (1,446 words) - 15:00, 1 December 2024
  • Various types of stability may be discussed for the solutions of differential equations or difference equations describing dynamical systems. The most...
    24 KB (3,887 words) - 13:20, 27 April 2025
  • immediate price stability but proposed a trend of more stability in the future. Aberrancy (geometry) Derivative (mathematics) Second derivative do Carmo, Manfredo...
    4 KB (543 words) - 20:26, 5 December 2024
  • Thumbnail for Stability theory
    In mathematics, stability theory addresses the stability of solutions of differential equations and of trajectories of dynamical systems under small perturbations...
    18 KB (2,934 words) - 17:17, 9 March 2025
  • Thumbnail for Fluorocarbon
    enhanced[clarification needed] stability, volatility, and hydrophobicity. Several fluorocarbons and their derivatives are commercial polymers, refrigerants...
    25 KB (2,335 words) - 10:18, 17 March 2025
  • Thumbnail for Nyquist stability criterion
    In control theory and stability theory, the Nyquist stability criterion or Strecker–Nyquist stability criterion, independently discovered by the German...
    22 KB (3,429 words) - 19:16, 21 May 2025
  • Thumbnail for Mechanical equilibrium
    investigate the precise stability of the system, higher order derivatives can be examined. The state is unstable if the lowest nonzero derivative is of odd order...
    9 KB (1,043 words) - 05:03, 12 March 2025
  • )\end{aligned}}} The military specifications give criteria based on vehicle stability derivatives to determine whether the gust angular velocity components are significant...
    7 KB (1,330 words) - 13:22, 5 August 2024
  • function of several variables is the matrix of all its first-order partial derivatives. If this matrix is square, that is, if the number of variables equals...
    26 KB (3,766 words) - 19:10, 22 May 2025
  • )\end{aligned}}} The military specifications give criteria based on vehicle stability derivatives to determine whether the gust angular velocity components are significant...
    9 KB (1,652 words) - 11:16, 17 February 2025
  • sufficiently slow at 0 °C to allow alkylated derivatives to be manipulated selectively. Even more fluxional are the derivatives C5H5E(CH3)3 (E = Si, Ge, Sn), wherein...
    13 KB (1,043 words) - 05:40, 13 August 2024
  • Thumbnail for Modified starch
    Modified starch, also called starch derivatives, is prepared by physically, enzymatically, or chemically treating native starch to change its properties...
    12 KB (1,267 words) - 12:48, 24 May 2025
  • AO-38 assault rifle (category Kalashnikov derivatives)
    rifle and AK derivative designed by Peter Andreevich Tkachev and first to use the Balanced Automatic Recoil System (BARS) to improve stability giving better...
    2 KB (68 words) - 18:50, 24 June 2024
  • Thumbnail for Tetrakis(1-norbornyl)cobalt(IV)
    low-spin complex with tetrahedral geometry to be isolated. The exceptional stability of the complex is in large part due to its inability to undergo either...
    7 KB (712 words) - 11:10, 14 May 2025
  • Lyapunov function (category Stability theory)
    prove the stability of an equilibrium of an ODE. Lyapunov functions (also called Lyapunov’s second method for stability) are important to stability theory...
    7 KB (1,115 words) - 15:03, 25 May 2025
  • the gust angular velocity but gives criteria based on airplane stability derivatives for when they can be omitted. The Dryden model is one of the most...
    12 KB (1,517 words) - 19:12, 10 September 2023
  • Thumbnail for Chitosan
    solubility and metal chelating properties of phosphorylated chitosan and its derivatives make them widely used in tissue engineering, drug delivery carriers,...
    64 KB (6,371 words) - 20:20, 29 May 2025
  • Thumbnail for Dihedral (aeronautics)
    Sir George Cayley. In analysis of aircraft stability, the dihedral effect is also a stability derivative called Cl β {\displaystyle \beta } meaning the...
    20 KB (2,670 words) - 21:20, 29 January 2025
  • Over-the-counter (finance) (category Derivatives (finance))
    online or by telephone. For derivatives, these agreements are usually governed by an International Swaps and Derivatives Association agreement. This segment...
    15 KB (1,654 words) - 16:22, 27 May 2025
  • Thumbnail for Rayleigh's equation (fluid dynamics)
    Rayleigh's equation or Rayleigh stability equation is a linear ordinary differential equation to study the hydrodynamic stability of a parallel, incompressible...
    8 KB (1,203 words) - 06:01, 25 October 2024
  • Thumbnail for Penicillin
    of the orally active phenoxymethylpenicillin, led to the search for derivatives of penicillin that could treat a wider range of infections. The isolation...
    100 KB (10,776 words) - 21:50, 29 May 2025
  • derivatives have analogs to Rolle's theorem and the interior extremum theorem. Classical fractional derivatives include: Grünwald–Letnikov derivative...
    59 KB (7,991 words) - 01:56, 28 May 2025
  • same software is available for each of them. Unofficial variants and derivatives are not controlled or guided by Canonical Ltd. and generally have different...
    91 KB (3,273 words) - 14:27, 28 May 2025
  • Thumbnail for Fourth-generation fighter
    generation. During this period, maneuverability was enhanced by relaxed static stability, made possible by introduction of the fly-by-wire (FBW) flight-control...
    26 KB (2,751 words) - 18:55, 8 April 2025