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Recursion introduction

The selection to minimize absolute error [Eq. (6)] calls for optimization algorithms different from those of the standard least-squares problem. Both problems have simple and extensively documented solutions. A slight advantage of the LP solution is that it does not need to be solved for the points for which the approximation error is less than the selected error threshold. In contrast, the least squares problem has to be solved with every newly acquired piece of data. The LP problem can effectively be solved with the dual simplex algorithm, which allows the solution to proceed recursively with the gradual introduction of constraints corresponding to the new data points. [Pg.189]

What does all of the above analysis teach us First and above ail, the correct LR behavior at the FEG limit is vital for design of a good EDF. Second, proper sum rules should be satisfied to build in systematic error cancellation. Third, the introduction of a weight function releases the constraints on the original formulas at the FEG limit, allows any nonlocal effects to be modeled, and somewhat more importantly, provides a new degree of freedom so that other restrictions can be simultaneously satisfied. Fourth, any recursion should be avoided to permit more efficient implementation. This in turn calls for a better understanding of the TBFWV. Finally, the O(M ) numerical barrier must be overcome so that any general application will be possible. [Pg.146]

The advantages of this kind of formulation stand out not only in terms of elegance and beauty (the moment method, the Lanczos method, and the recursion method are relevant but particular cases of the memory function equations), but also in the possibility of providing insight into a number of problems, such as the asymptotic behavior of continued fraction parameters and their relationship with moments, the possible inclusion of nonlinear effects, the introduction of the concept of random forces, and so on. [Pg.150]

Some expressions that appear in the literature for effective operators a are quite complicated because of the particular perturbation expansion or recursive scheme used and/or because of the introduction of a corevalence separation. Section II presents each a definition only in its compact formal form. These simpler expressions have the advantage of enabling the a structures to be studied more readily. Some literature a... [Pg.506]

One of my earliest and most interesting introductions to recursion and self-similarity came in the form of a cartoon by Don Martin in Mad magazine. In the first frame of the cartoon, a man lies anesthetized on a hospital operating table. Under the halogen lamps, the stainless-steel surfaces of the table glisten like diamonds. Blood moves through a clear, plastic IV line and into the patient s body through a vein in... [Pg.198]

Therneau, T, and Atkinson, E. (1997). An introduction to recursive partitioning using the RPARTroutine. [Pg.248]

Introduction In Chapter 7, under the context of batch reaction, it is demonstrated how the fed-batch reactor may be used to approximate the behavior of both the PFR and CSTR, and how the fed-batch reactor is the batch analogue of a DSR. It is therefore possible to construct a candidate AR, composed of all three fundamental reactor types, using only DSR trajectories. This is the basic premise behind the recursive constant control (RCC) policy algorithm (Seodi-geng et al., 2009). [Pg.248]

The case splitting and the introduction of a conjunction of recursive atoms into one of the resulting cases are mere syntactic operations, and hence pretty straightforward. [Pg.171]

How to detect that recursion is useless in some non-minimal sub-cases Step 4 (Syntactic introduction of the recursive atoms) creates a non-recursive case if at least one example Ej leads to a non-admissible procComp(,,yp atom. Howto invent or re-use appropriate predicates How to implement invented predicates The predicate invention problem is tackled at four points during the synthesis. At Steps 2 and 3, the Database Method re-uses predefined predicates this amounts to using domain knowledge. At Step 6, the Synthesis Method (see Section 14.2.4 below) invents new composition operators. As of now, there is no method yet of re-using common composition operators. At Step 7, the PaP Method synthesizes discriminants that are in terms of predicates other than rfn. How to discover which parameters are auxiliary parameters Due to our restriction to version 3 of the divide-and-conquer schema, auxiliary parameters are not taken into account. See Section 14.2.2 below on how to achieve this. [Pg.194]

Generalize into properties, if possible, the examples where X is of a size equal to or less than some integer n, where n is the largest size where this leads to properties without recursion and without redundancy of information. Set m to A2 + d, where d is the decomposition decrement. The most useful generalization technique is the maximally repeated application of the replacing-a-constant-by-a-variable inductive inference rule to an example this often requires a subsequent specialization by introduction of a body to the resulting unit clause. [Pg.205]


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See also in sourсe #XX -- [ Pg.171 , Pg.172 ]




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Recursion

Recursive

Step 4 Syntactic Introduction of the Recursive Atoms

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