Keyword: differential equations

Found 193 papers in total
A non-nonstandard proof of Reimers' existence result for heat SPDEs
A non-nonstandard proof of Reimers' existence result for heat SPDEs
1998,
In 1989, Reimers gave a nonstandard proof of the existence of a solution to heat...
An ODE method of solving nonlinear programming
An ODE method of solving nonlinear programming
1997,
This paper proposes a new method to solve general constrained optimization problem....
On Gaver’s parallel system sustained by a cold standby unit and attended by two repairmen
On Gaver’s parallel system sustained by a cold standby unit and attended by two repairmen
1996,
The authors consider Graver’s parallel system sustained by a cold standby unit...
A unified approach to the first derivatives of graph polynomials
A unified approach to the first derivatives of graph polynomials
1995,
A general graph polynomial is introduced. It is proved that . Special cases of this...
Perpetuities with thin walls
Perpetuities with thin walls
1996,
The authors investigate the behaviour of nd as for the random variable , where is an...
Stationary distributions under mutation-Selection balance: Structure and properties
Stationary distributions under mutation-Selection balance: Structure and properties
1996,
A general model for the evolution of the frequency distribution of types in a...
Epidemic models featuring behaviour change
Epidemic models featuring behaviour change
1995,
This paper considers a model for the spread of an epidemic in a closed population...
An efficient parallel algorithm for the solution of block tridiagonal linear systems
An efficient parallel algorithm for the solution of block tridiagonal linear systems
1995,
A parallel overlapping preconditioner is applied to ICCG method and the effect of the...
On 3-stage implicit Runge-Kutta methods
On 3-stage implicit Runge-Kutta methods
1995,
The authors research the relations among the truncation error, the stability and the...
On the stability of a discrete dynamic producer-consumer model
On the stability of a discrete dynamic producer-consumer model
1994,
In the paper Arrow’s dynamic market model and dynamic oligopoly models are...
Adaptive and extrapolative estimations in a special discrete dynamic producer-consumer model
Adaptive and extrapolative estimations in a special discrete dynamic producer-consumer model
1994,
In the present paper a special discrete dynamic producer-consumer model is examined...
A new products diffusion model with consideration of repeat purchase
A new products diffusion model with consideration of repeat purchase
1994,
This paper is concerned with the dynamic behaviour of new products diffusing into the...
Combat modelling with spatial effects, reserve deployment and termination decision rules
Combat modelling with spatial effects, reserve deployment and termination decision rules
1994,
This paper analyses the effect of combat termination and reserve deployment policies...
A value function criterion in a linear differential game
A value function criterion in a linear differential game
1991,
The paper considers linear differential games with a convex terminal payoff function....
A probit model of choice dynamics
A probit model of choice dynamics
1992,
There are many products which are repeatedly purchased by consumers. In such cases it...
Stationary freeway traffic flow modelled by a linear stochastic partial differential equation
Stationary freeway traffic flow modelled by a linear stochastic partial differential equation
1992,
A stochastic model of stationary high density freeway traffic flow is presented. The...
Brownian motion with a discrete drag coefficient and its analysis in terms of characteristic functionals
Brownian motion with a discrete drag coefficient and its analysis in terms of characteristic functionals
1990,
A functional formalism is presented to determine multi-time statistics of the...
Nonstandard finite difference schemes for partial differential equations
Nonstandard finite difference schemes for partial differential equations
1991,
The paper presents recent results on the construction of nonstandard finite difference...
Solving convex programs by means of ordinary differential equations
Solving convex programs by means of ordinary differential equations
1992,
Within a Hilbert space nonsmooth convex programs with sharp constraints are...
Numerical solutions of nonlinear integral equations by approximations of fixed-points
Numerical solutions of nonlinear integral equations by approximations of fixed-points
1990,
This paper considers a numerical method for approximating solutions of...
Direct algebraic solution for linear differential equations using PL transform
Direct algebraic solution for linear differential equations using PL transform
1989,
A new direct algebraic algorithm is developed for the numerical solution of linear...
Simulation of diffusion processes with PRESTO building systems like PRESTO with ADAGIO
Simulation of diffusion processes with PRESTO building systems like PRESTO with ADAGIO
1990,
PRESTO is an expert-system which performs the automatic generation of complete Fortran...
On the effectiveness of the diagonally scaled conjugate gradient algorithm on vector computers
On the effectiveness of the diagonally scaled conjugate gradient algorithm on vector computers
1989,
The efficiency of the diagonally scaled conjugate gradient algorithm on vector...
Combat modeling with partial differential equations
Combat modeling with partial differential equations
1989,
The authors propose an extension of the classical modeling of combat via Lanchester...
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