ca2 (continuum analysis, 2- dimensional) is a computer program developed by the author. ca2 can solve a variety of complex geotechnical problems using explicit finite difference method. in this paper, an introduction will be given to the theoretical and numerical basis of the program and the capability of the code will be shown by solving a few interesting nonlinear and transient problems. fina...

although explicit and implicit knowledge of language learners are essential to theoretical and pedagogical debates in second language acquisition (sla), little research has addressed the effects of instructional interventions on the two knowledge types (r. ellis, 2005).this study examined the relative effectiveness of explicit and implicit types of form-focused instruction (ffi) on the acquisit...

in this paper we have discussed the main features of a finite clement program which we have developed for nonlinear dynamic analysis of plates and shells with material and geometric nonlinear behaviour. for this purpose, initially, the finite element model which we have used is briefly described. afterwards, the nonlinear viscoplastic material model in one-dimensional and multi-dimensional medi...

In this paper, the authors mention that there are two forms of TLP for Chip multiprocessors (CMPs): explicit threading and implicit threading. However, explicit threading is hard to program manually and, if automated, is limited in performance due to serialization of unanalyzable program segments. Implicit threading, on the other hand, requires buffering of program state to handle misspeculatio...

Object-oriented systems are frequently built around idioms, design patterns, and other abstractions that can be captured only indirectly in source code. The loss of design information in code often impedes later development activities. Explicit programming attacks this information loss by enabling developers to introduce projectspecific design vocabulary into existing general-purpose languages....

and quantitative notion of utility, which automatically mixes up them with the decision criteria. This makes impossible to deal with several critical differences between concepts that are crucial for the understanding of human social behavior, like as I have already shown the difference between a selfish and an altruistic act, the difference between a gift and a merchandise; they both have just...

Today, object-oriented (OO) technology is a de facto approach in software development and several OO software applications are presently in use. For these systems to remain useful, they have to be effectively and efficiently maintained. As changes are both important and risky, Change impact analysis (CIA) is used to preserve the quality of the software system. OO software have complex dependenc...

This paper revisits the Taylor method for the numerical integration of initial value problems of Ordinary Differential Equations (ODEs). The main goal is to show that the Taylor method can be competitive, both in speed and accuracy, with the standard methods. To this end, we present a computer program that outputs an specific numerical integrator for a given set of ODEs. The generated code incl...

This paper presents a new dual formulation for quadratically constrained convex programs (QCCP). The special structure of the derived dual problem allows to apply the gradient projection algorithm to produce a simple explicit method involving only elementary vector-matrix operations, that is proven to converge at a linear rate.