Dapatadu, Rohan; Gibson, Charles; Gregory, John Numerical methods for nonlinear optimal control problems: Application to abnormal problems. (English) Zbl 0729.65048 J. Math. Anal. Appl. 159, No. 1, 27-43 (1991). Reviewer: G.Jumarie (Montreal) MSC: 65K10 49M15 PDFBibTeX XMLCite \textit{R. Dapatadu} et al., J. Math. Anal. Appl. 159, No. 1, 27--43 (1991; Zbl 0729.65048) Full Text: DOI
Gregory, John; Lin, Cantian; Wang, Rong Sheng Numerical extremal methods and biological models. (English) Zbl 0722.49024 Rocky Mt. J. Math. 20, No. 4, 933-945 (1990). MSC: 49K15 65K10 PDFBibTeX XMLCite \textit{J. Gregory} et al., Rocky Mt. J. Math. 20, No. 4, 933--945 (1990; Zbl 0722.49024) Full Text: DOI
Gregory, John; Sarker, Tejandra; Zeman, Marvin Higher order discretization methods for \(y''=f(x,y,y')\). (English) Zbl 0664.65079 J. Math. Anal. Appl. 136, No. 1, 141-156 (1988). Reviewer: T.Mitsui MSC: 65L10 34B15 PDFBibTeX XMLCite \textit{J. Gregory} et al., J. Math. Anal. Appl. 136, No. 1, 141--156 (1988; Zbl 0664.65079) Full Text: DOI
Gregory, John Numerical methods for extremal problems in the calculus of variations and optimal control theory. (English) Zbl 0641.49021 Bull. Am. Math. Soc., New Ser. 18, No. 1, 31-34 (1988). Reviewer: J.Ramik MSC: 49M29 65K10 65N15 PDFBibTeX XMLCite \textit{J. Gregory}, Bull. Am. Math. Soc., New Ser. 18, No. 1, 31--34 (1988; Zbl 0641.49021) Full Text: DOI
Gregory, John; Zeman, Marvin; Badiey, Mohsen A finite element approximation for the initial-value problem for nonlinear second-order differential equations. II: Systems. (English) Zbl 0609.65054 J. Math. Anal. Appl. 115, 131-139 (1986). Reviewer: P.Chocholatý MSC: 65L05 65L60 34A34 PDFBibTeX XMLCite \textit{J. Gregory} et al., J. Math. Anal. Appl. 115, 131--139 (1986; Zbl 0609.65054) Full Text: DOI
Gregory, John; Zeman, Marvin; Badiey, Mohsen A finite element approximation for the initial-value problem for nonlinear second-order differential equations. (English) Zbl 0585.65052 J. Math. Anal. Appl. 111, 90-104 (1985). Reviewer: P.Chocholatý MSC: 65L05 65L60 34A34 PDFBibTeX XMLCite \textit{J. Gregory} et al., J. Math. Anal. Appl. 111, 90--104 (1985; Zbl 0585.65052) Full Text: DOI
Gregory, John; Zeman, Marvin A Galerkin approximation for the initial-value problem for linear second- order differential equations. (English) Zbl 0553.65049 Appl. Math. Comput. 15, 93-108 (1984). Reviewer: P.Chocholatý MSC: 65L05 34A30 PDFBibTeX XMLCite \textit{J. Gregory} and \textit{M. Zeman}, Appl. Math. Comput. 15, 93--108 (1984; Zbl 0553.65049) Full Text: DOI