Sentence examples for using the backward differentiation from inspiring English sources

This approach allows the angular flux time derivative to be recast principally in terms of the neutron source time derivatives, which are approximated to high-order accuracy using the backward differentiation formula (BDF).

Now, using the backward substitution, we obtain (4.8).

# The variables were selected using the backward Wald stepwise selection method.

The multivariate logistic regression analysis model was derived using the backward conditional method.

The non-significant variables (p > 0.05) were removed stepwise using the backward procedure.

A sensitivity analysis was performed on the reaction mechanism, using the decoupled direct method and the backward differentiation formula method, as implemented in the NASA Glenn chemical kinetics and sensitivity analysis code LSENS [54], [55].

The fast variables are solved using the implicit backward-differentiation formulas but with a Jacobian of much smaller dimension than that of the original stiff system.

In particular, we can cope quite easily with variable time steps and with multistep time differentiation methods like, e.g., the backward differentiation formula of order 2 (BDF2) scheme.

These algorithms are based on a general four-step scheme that has a resemblance to the backward differentiation formulas.

The integration methods are based on the backward differentiation formulae (BDF) and they can be applied without modifications in the semi-Lagrangian integration of convection diffusion problems.

This paper presents a procedure based on the Backward Differentiation Formulas of order 1 to 5 to obtain efficient time integration of the incompressible Navier Stokes equations.