A major goal of evolutionary biology is to understand the dynamics of natural selection within populations. The strength and direction of selection can be described by regressing relative fitness ...

This article describes three approximation methods I used to solve the growth model (Model 1) studied by the National Bureau of Economic Research's nonlinear rational-expectations-modeling group ...

When thermal simulation software isn't available, or for quicker results, designers can apply linear superposition to model the thermal performance of their power systems. This article is the first in ...

MILPITAS, Calif. — Linear Technology Corp. (LTC) has tweaked Spice to enable fast modeling for switching regulator devices. The resulting EDA tool, called SwitcherCAD III, is capable of schematic ...