An ALGOL 68 routine for the approximation of partial derivatives on a two-dimensional grid / J. KokDesign and implementation of elementary functions in Ada / J. KokProposal for standard mathematical packages in Ada / J. KokA semi-discretization algorithm for two-dimensional partial differential equations / J. Kok, P.J. van der Houwen & P.H.M. WolkenfeltA proposal for standard basic functions in Ada / J. Kok, G.T. SymmTwo Ada mathematical functions packages for use in real time / J. Kok
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Nonlinear least squares estimation / B. van Domselaar [and] J. KokA project on parameter identification in reaction kinetics / P.W. Hemker, J. KokTime integration of three-dimensional numerical transport models / B.P. Sommeijer, P.J. van der Houwen, J. KokImplementation and performance of a three-dimensional numerical transport model / B.P. Sommeijer, J. KokA vector/parallel method for a three-dimensional transport model coupled with bio-chemical terms / B.P. Sommeijer, J. KokSplitting methods for three-dimensional bio-chemical transport / B.P. Sommeijer, J. KokThe iterative solution of fully implicit discretizations of three-dimensional transport models / P.J. van der Houwen, B.P. Sommeijer, J. KokSystematic index of NUMPAS : a library of numerical procedures in PASCAL / J. Kok (ed.)