[PDF] Top 20 La lógica dialéctica y las ciencias sociales

... the multistep integration method for approximating directly the solutions of the second order boundary value problems (BVPs) with Robin boundary ...Adam's method. ... See full document

... that block backward differentiation formula is more effective for solving stiff initial value ...fixed point y 1. For future research, we map out the strategy to improve the performance of ... See full document

... of implicit 2-point block method based on Backward Differentiation Formulae (BDF) of variable step size for solving first order stiff initial value ... See full document

... initial value problems can be implemented without the need for predictors or starting values from other ...in block modes. [11] investigated and developed a two-point block ... See full document

... In this paper, under the assumption that f can be suitably decomposed, we shall apply the abstract continuation type theorem of Petryshyn on A-proper mappings to prove approximation solvability results for (1.1) with the ... See full document

... For solving the boundary integral the problem is reduced at there can be used different kinds of boundary ...linear boundary elements, so the geometries involved are approximated by polygonal ... See full document

... integral boundary conditions arise naturally in thermal conduction prob- lems [], semiconductor problems [], hydrodynamic problems ...notes boundary conditions) cover multi-point BCs ... See full document

... As is well known, the differential equations with right hand sides satisfying the Lipschitz conditions (Lipschitz equations for short) are important, and thus their solvability has at- tracted much attention from many ... See full document

... u(x, t) = 2 sech ( √ 2{sinh (1)}x − {cosh (1)}t) (16) where sinh and cosh are known hyperbolic functions [33]. This solution represents a traveling wave of amplitude 2 whose peak is positioned at x = 0 initially. As time ... See full document

... x nJ+l matrix and r is an nJ+l-vector Employing Euler's method to approximate the differential equation lala, this formulation of the discrete problem becomes This example will be used t[r] ... See full document

... The exact solution is y(x) = cos(π x/2) and the order of convergence, according to the scheme in [7], is O(hln h). Numerical results using the new scheme are shown in Table 4.1. The results show that the order of ... See full document

... Proof It is clear that m w [a, b] is a finite-dimensional inner product space, so by Theo- rems . and ., m w [a, b] is a RKHS, which completes the proof. For practical use of the RKM method, it is necessary to ... See full document

... on two standard test problems from the recent literature. Two numerical experiments widely solved by Kayode et al (2018), and Kayode and Adeyeye ...developed method is shown in Tables 1-5, ... See full document

... a block method with one hybrid point for solving Jerk equa- tions is ...hybrid point is chosen to optimize the local truncation errors of the main formulas for the solution and the ... See full document

... proposed method, as well as give some examples of the method, section 3 considers the local truncation error and order of the method proposed, we analyze the A-stability property of the proposed ... See full document

... the boundary surfaces. In the present study, a method is developed to define the local sub-domains as spheres, with the use of a transformation which maps a circle on a semi- sphere for numerical ... See full document

... on solving the problem which the conventional FDM and FEM are difficult to apply such as problems with deformable boundary, free surface (for FDM), large deformation (for FEM), mesh adaptivity and ... See full document

... continuous implicit one-step hybrid methods can be formulated as implicit hybrid block methods for the direct solution of problems in the class of ...one-step implicit ... See full document

... A large number of publications address the use of MoM in solving various problems. Djordjevic and Sarkar in [3] showed that the inner product involved in MoM is usually an integral, which is evaluated ... See full document

... moving boundary problems at least one of the boundary points of the admissible function is movable along a boundary ...to problems in which not only boundary conditions, but also ... See full document