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Performance on minimization problem

Application-Specific Hardware. Another interesting trend is the development of appHcation-specific hardware. These systems are usually minimally programmable, but can offer exceptional performance on the class of problem for which they are designed. A particularly interesting appHcation-specific processor for molecular mechanics is currently being developed (31). [Pg.97]

The crane simulation is also performed within a few seconds. The size and the complexity depend on the problem instance. Since the number of batches is always fixed, the main factor affecting the number of binary variables is the number of maintenance jobs. It should be mentioned that each schedule optimization run also considers two previous batches that are already in production from a resource availability perspective. The initial situation based on the previous batches, defines the complexity. If the production is far from the ideal production cycle, the flexibility may be very low and the main task of the optimization is to increase the total throughput as fast as possible. At this point, the schedule is very sensitive to additional disturbances, which may directly affect the throughput. However, when an optimal production cycle has been reached, a rescheduling optimization may use the existing flexibility (for instance time buffers between the most critical steps) to minimize or to eliminate the throughput decrease caused by disturbances. [Pg.107]

It should be noted that the solution of the minimization problem simplifies to the updating step of a Kalman filter. In fact, if instead of applying the matrix inversion lemma to Eq. (8.19) to produce Eq. (8.20), the inversion is performed on the estimate equation (8.18), the well-known form of the Kaman filter equations is obtained. [Pg.159]

Bender-Gestalt Test. The Bender-Gestalt is a nonverbal performance test in which the individual copies a design shown on a card. It is often used to identify a problem of visual perception and/or motor performance or minimal brain dysfunction in children. [Pg.818]

The issue of the chemical nature of graphene edges, and thus of (re)active sites, was addressed head-on by Radovic and Bockrath [29]. Density functional theory was used to minimize problems that truly ab initio approaches such as Hartree-Fock are known to have, but careful comparison with experimental results in several seemingly unrelated fields was also performed. The key argument of relevance here is that, rather than being H-terminated, the sites that are most relevant for the chemical (re)activity of sp2 hybridized carbon materials are of carbene- and carbyne-type, as illustrated below for the zigzag (a) and armchair edges (b). [Pg.507]

Raman microspectroscopy is readily performed on multiple locations inside each well. As in other instances, the results might not be representative of the whole sample because of the small sample volume probed. Polarization effects can be pronounced, but may be mitigated by averaging the results from additional locations. An alternative is rotating the sample, but this usually is not practical for multiwell plates. Both options increase analysis time. Such problems appear to be minimized when handling bulk powders [222,223,230], Several vendors sell systems preconfigured for automated analysis of microtiter plates and are typically integrated with optical microscopy. [Pg.225]

Many different methods have been presented for finding MEPs and saddle points, Since a first order saddle point is a maximum in one direction and a minimum in all other directions, methods for finding saddle points invariably involve some kind of maximization of one degree of freedom and minimization in other degrees of freedom. The critical issue is to find a good and inexpensive estimate of which degree of freedom should be maximized. Below, we give an overview of several commonly used methods in studies of transitions in condensed matter. We then compare their performance on the surface island test problem. [Pg.272]

Protein identification by PMF is usually performed on protein bands or spots cut from ID or 2D PAGE gels, so this is the method described here however, it can also be applied to proteins in solution with minor modifications. One of the biggest problems that may be encountered, particularly when low amounts of protein are analyzed, is contamination. Note 1 describes some precautions to minimize the effects of contamination. [Pg.229]

Under normal conditions, PMTFPS is relatively inert. Skin tests performed on albino rabbits have shown no dermal irritation or toxicity. In more than 40 years of indns-trial nse of fluorosilicone componnds, no problems have been reported with respect to hnman dermal contact with these materials, nncnred or cnred [96]. It is prndent to minimize the direct contact with the materials and exposnre of personnel to fnmes in the workplace. More on this snbject is discnssed in Chapter 8. [Pg.128]


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Minimization problem

Performance problems (

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