Usually long-range jet planes use on-board general purpose computers in ground-independent navigational systems. But the price of this computers turns out to be very high to use in small planes (i.e. for sport, mailing, and so on). In this report the possibility of using Digital Differential...

Parameter optimization in systems described by differential equations is a demanding task, and can be done efficiently only by using high-quality software for integration and optimization. This paper discussed the philosophy of implementing parameter optimization in continuous simulation...

The method of orthogonal collocation on finite elements (OCFE) has been used to solve the flow problem of Newtonian fluid in an internally finned tube. Cylindrical coordinates were employed and Legendre shifted orthogonal polynomials were employed as basis functions. An alternating direction...

An algorithm called SAMOPT is developed for optimizing the response function of simulation models that describe systems exhibiting stochastic behavior. Because of the stochastic nature of these simulated systems, the result of each evaluation of response by simulation is only a noisy (i.e.,...

The model of n-dimensional random field with a bounded discrete parameter space is presented. To obtain simple method for generating random field with a computer it is assumed the field is Gaussian and Markovian. The special cases of two- and three-dimensional random fields are considered...

Many biological systems exhibit periodic or rhythmic behaviour. Some mathematical models proposed for this class of systems involve an on-off relay followed by a large time delay within a feedback structures. This paper presents a method for simulating the relay-delay combination exactly without...

In this paper, the successive over-relaxation method (S.O.R.) is outlined for the numerical solution of the implicit finite difference equations derived from the Crank-Nicolson approximation to a mildly non-linear parabolic partial differential equation with periodic spatial boundary conditions....

The paper considers in detail the feasibility of constructing a digital analogue computer (or differential analyser) on the basis of full-word or total transfer, rather than the incremental transfer which has been preferred in the past. After an analysis of the errors inherent in the integrating...