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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Computer methods for calculating eigenvalue and eigenvectors of real symmetric matrices arising in problems of molecular quantum mechanics
Mathematical models for determining eigenvalue bounds of matrix
Numerical methods for integrating nonlinear differential equations with parasitic eigenvalues
Monte Carlo method for estimating eigenvalues of elliptical partial differential equations
Schroedinger equation eigenvalues lower bounds, noting relationship between intermediate Hamiltonians method and partitioning technique
Lower bounds to eigenvalues of bounded self adjoint Hamiltonian calculated using partitioning technique
Eigenvalues and eigenvectors of symmetric matrices using FORTRAN 4 subroutines
Exact expressions for rates of change of eigenvalues and eigenvector to facilitate computerized design of complex structures
Asymptotic solutions of linear difference equations, discussing applications to eigenvalue problems of free oscillations of model galaxies
Upper bounds of eigenvalues of simply-supported rectangular plate using Rayleigh-Ritz method
Generalized Rayleigh quotients for calculating eigenvalues and eigenvectors of large matrices
Triangular decomposition as aid in determining eigenvalues of large-order banded symmetric matrices
Localization of linear integral equation eigenvalues with applications to linear ordinary differential equations
Noniterative homogeneous solutions of integral equations for coupled open channel and coupled eigenvalue scattering
Subroutine ALLMAT for eigenvalues and eigenvectors of general complex nature
Discussing problem of symbolic numeric conversion in solving quantum mechanical eigenvalue problems with FORMAC
Discrete linear vibration systems viscous damping local modifications effect on eigenvalues and vectors, using Weissenburgers procedure in matrix form
Extreme eigenvalues of Toeplitz matrices associated with Laguerre and Jacobi polynomials, using finite difference operators