High order time derivatives of powers of the radius vector
High order time derivatives of powers of radius vector and power series expansions for celestial mechanics
Sconzo, P.↗
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Graphical Approximation to the Domain of Attraction for Second Order Systems
Reverse solution trajectory approximations to domain of attraction for second order differential equations
Kinnen, E.↗
The effect of crystal symmetry on field ion images of ordered alloys.
Crystal symmetry effect on field ion images of ordered alloys noting crystal structure definition by point lattice
Hren, J. J.↗
Higher-order ring currents and particle energy storage in the magnetosphere.
Computer programs to calculate higher order ring currents and particle energy storage in magnetosphere
Brachen, P. A.↗
Some singular explicit fifth order Runge- Kutta solutions.
Singular fifth order Runge-Kutta solution conditions for differential system
Konen, H. P.↗
Order of levels of symmetric Hamiltonians. I.
Bound levels of particle in symmetric potential, discussing ordering by symmetry types and eigenfunctions behavior for cubic and tetrahedral symmetry
Saffren, M. M.↗
Lexicographical order, range of integrals and ''bang-bang'' principle.
Lexicographical order of Euclidean n space and Lebesgue space, generalizing extremal solutions of control systems
Olech, C.↗
Controllability of higher order linear systems.
Dynamical system with time evolution described by second order linear differential equation in complex Banach space, discussing controllability
Fattorini, H. O.↗
A determination of the second and fourth order sectorial harmonics in the geopotential from the motion of 12-hr satellites.
Second and fourth order sectorial harmonics determined for geopotential from long term perturbations on 12 hr satellites
Murphy, J. P.↗
Diatomic isotope effects and second-order corrections in the JWKB approximation.
JWKB approximation reliability in study of diatomic isotope vibrations and potential functions construction, calculating second order corrections
Eberhardt, W. H.↗
A first order iteration process for simultaneous equations.
First order iterative process for solving simultaneous equations to alter character of region where convergence is expected
Luther, H. A.↗
Simplification of second order systems of ordinary differential equations with a turning point.
Reduction theorem for second order differential equations with turning point involving simultaneous change of dependent/independent variables and matrix equation solution
Hanson, R. J.↗
First-order secular perturbations of an artificial earth satellite due to the sun and moon.
Artificial earth satellite orbital elements first order secular perturbations due to sun and moon mass derived, using Lagrangian perturbation equations
Dearman, C. C., Jr.↗
A second-order feedback method for optimal control computations.
Second order feedback method for computing optimal control corrections from state perturbations, noting results for nonlinear examples based of van der Pol equation
Bullock, T. E.↗
Probability distribution of time to phase lock for a second-order phase-locked loop.
Probability distribution of time required for second order phase locked loop to achieve phase lock following step function perturbation
Keblawi, F. S.↗
First-order worldwide geodetic triangulation network.
Geometric directions and dynamic method for determining site locations for first order worldwide geodetic triangulation network, noting Smithsonian Standard Earth
Gaposchkin, E. M.↗
Stability of linear second-order equations with time-varying coefficients.
Sufficient conditions for asymptotic stability of linear second order equations with time varying coefficients
Walker, J. A.↗
The non-linear transient behavior of second, third and fourth order phase-locked loops.
Nonlinear transient behavior of second, third and fourth order phase locked loops from state space projections on hyperplanes
Carden, F. F.↗