Now showing items 1-5 of 5

    • Efficient Nonlinear Parameter Estimation for Exponential Type, Least Square Approximation 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1985-03)
      **Please note that the full text is embargoed** ABSTRACT: A computer algorithm is described for fitting data sets by least squares to the functions [see pdf for notation]. A non matrix form of Newton's method is utilized ...
    • An Elementary Algebraic Method for Approximating Average Radii of First and Secong Ring Electrons 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984-11)
      **Please note that the full text is embargoed** ABSTRACT: In this paper, experimental ionization energies are used to determine algebraic equations whose solutions approximate relativistic quantum mechanical estimates ...
    • Fortran Program HH1 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 2002-03)
      **Please note that the full text is embargoed**
    • On Nonlinear Parameter Estimation in Least Squares Approximation 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1993-03)
      **Please note that the full text is embargoed** ABSTRACT: A non-matrix form of Newton's method for systems of nonlinear equations is described for nonlinear parameter estimation in least squares approximation. Computer ...
    • Rapid Approximation of the Energy States of Three-Electron Systems 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1985-03)
      **Please note that the full text is embargoed** ABSTRACT: In this paper, we show how to approximate rapidly the energy states of systems with one electron in the second ring. Using known energy states and average radii of ...