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Displaying 161 – 180 of 1228

A mathematical model for the dynamics of Hepatitis C.

Avendaño, R., Esteva, L., Flores, J.A., Fuentes Allen, J.L., Gómez, G., López-Estrada, Je. (2002)

Journal of Theoretical Medicine

A mean value property for pairs of integrals.

Mingarelli, A.B., Pacheco, J.M., Plaza, A. (2009)

Acta Mathematica Universitatis Comenianae. New Series

A method for determining constants in the linear combination of exponentials

Jiří Cerha (1996)

Mathematica Bohemica

Shifting a numerically given function $b_{1} exp a_{1} t + \dots + b_{n} exp a_{n} t$ we obtain a fundamental matrix of the linear differential system $\dot{y} = A y$ with a constant matrix $A$ . Using the fundamental matrix we calculate $A$ , calculating the eigenvalues of $A$ we obtain $a_{1}, \dots, a_{n}$ and using the least square method we determine $b_{1}, \dots, b_{n}$ .

A method for finding the step size of integration of a system of ordinary differential equations

J. S. Chomicz, A. Olejniczak, M. Szyszkowicz (1983)

Applicationes Mathematicae

A method in diophantine approximation V

Charles Osgood (1973)

Acta Arithmetica

A method in diophantine approximation (VI)

Charles Osgood (1973)

Acta Arithmetica

A method of discretization for the Lagerström-Cole model equation.

Usón-Forniés, Fernando (2000)

Revista Colombiana de Matemáticas

A method of solving $y^{(k)} - f (x) y = 0$ .

O'Hara, P.J., Osteen, R., Rodriguez, R.S. (1992)

International Journal of Mathematics and Mathematical Sciences

A method to solve an equation with left and right fractional derivatives

B. Stanković (2007)

Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques

A methodology for the numerical computation of normal forms, centre manifolds and first integrals of Hamiltonian systems.

Jorba, Àngel (1999)

Experimental Mathematics

A minimax inequality for a class of functionals and applications to the existence of solutions for two-point boundary-value problems.

Afrouzi, Ghasem Alizadeh, Heidarkhani, Shapour (2006)

Electronic Journal of Differential Equations (EJDE) [electronic only]

A min-max theorem and its applications to nonconservative systems.

Weiguo, Li, Hongjie, Li (2003)

International Journal of Mathematics and Mathematical Sciences

A model for gene activation.

Oppenheimer, Seth F., Fan, Ruping, Pruett, Stephan (2009)

Electronic Journal of Differential Equations (EJDE) [electronic only]

A model for phenomena of instability

Capriz, G. (1973)

Proceedings of Equadiff III

A model of competition

Peter Kahlig (2012)

Applicationes Mathematicae

A competition model is described by a nonlinear first-order differential equation (of Riccati type). Its solution is then used to construct a functional equation in two variables (admitting essentially the same solution) and several iterative functional equations; their continuous solutions are presented in various forms (closed form, power series, integral representation, asymptotic expansion, continued fraction). A constant C = 0.917... (inherent in the model) is shown to be a transcendental number....