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Matrix terms

For the situation where the loading is applied off the fibre axis, then the above approach involving the Plate Constitutive Equations can be used but it is necessary to use the transformed stiffness matrix terms Q. [Pg.198]

See section 2.1.3 for a generail overview of matrix terms and notation. [Pg.429]

Immobilized soybean lipoxygenase With carbonyldiimidazole-activated matrix termed Reacti-Gel(g) 13-Hydroperoxy-acid from linoleic acid Octane-borate buffer pH9 (5/2) No surfactant is required 24... [Pg.565]

It is certainly true that for any arbitrarily chosen equation, we can calculate what the point described by that equation is, that corresponds to any given data point. Having done that for each of the data points, we can easily calculate the error for each data point, square these errors, and add together all these squares. Clearly, the sum of squares of the errors we obtain by this procedure will depend upon the equation we use, and some equations will provide smaller sums of squares than other equations. It is not necessarily intuitively obvious that there is one and only one equation that will provide the smallest possible sum of squares of these errors under these conditions however, it has been proven mathematically to be so. This proof is very abstruse and difficult. In fact, it is easier to find the equation that provides this least square solution than it is to prove that the solution is unique. A reasonably accessible demonstration, expressed in both algebraic and matrix terms, of how to find the least square solution is available. [Pg.34]

Evaluate the remaining Fock and density matrix terms needed to build the perturbed polarizability. [Pg.71]

The solution of the secular equation Fy —F5y = 0 requires the evaluation of the constituent matrix terms Fy. The Fy s are, however, themselves functions of the coefficients of the atomic orbitals amt through Pjel and therefore can only be evaluated by solving the secular equation. The Hartree-Fock procedure thus requires that a preliminary guess be made as to the values of the molecular population distribution terms Pici these values are then used to calculate the matrix elements Fy and thence solve the secular determinant. This, in turn, provides a better approximation to the wave function and an. .improved set of values of Pm. The above procedure is repeated with this first improved set and a second improved set evaluated. The process is repeated until no difference is found between successive improved wave functions. Finally, it may be shown that when such a calculation has been iterated to self-consistency the total electronic energy E of a closed shell molecule is given by... [Pg.11]

A key difference from bilinear PLS1 is that the elements of q have to be recalculated afresh as new components are computed, whereas for two-way PLS, the first element of q, is the same no matter how many components are calculated. This limitation is a consequence of non-orthogonality of components in the algorithms conventionally applied. Therefore, the concentration estimates are best expressed in matrix terms and not so easily as summations. [Pg.17]

This equation expresses both the component liquid and vapor rates for the stage in terms of vapor rates only. In matrix terms, the system of equations is expressed as... [Pg.149]

Although (9.62) may look formidable, there are some conveniences. First of all, for linear systems, the first matrix term on the left-hand side is a constant and can be evaluated once and for all. We write... [Pg.169]

Calculate tire coefficients. It is not necessary to employ specialist statistical software for this. In matrix terms, the response can be given by y = D.b, where b is a vector of the four coefficients and D is presented in Table 2.17. Simply use the matrix inverse so that b =D l.y. Note that there are no replicates and the model will exactly fit the data. The parameters are listed below. [Pg.55]

As an illustration, we will use the case of coupled chromatography, such as HPLC-DAD, as in case study 1. For a simple chromatogram, the underlying dataset can be described as a sum of responses for each significant compound in the data, which are characterised by (a) an elution profile and (b) a spectrum, plus noise or instrumental error. In matrix terms, this can be written as... [Pg.191]

Mahalanobis distance. This method is popular with many chemometricians and, whilst superficially similar to the Euclidean distance, it takes into account that some variables may be correlated and so measure more or less the same properties. The distance between objects k and l is best defined in matrix terms by... [Pg.227]

This form for g is identical with that in Eqn. (75) when B = 0. Thus, sliding at the interface increases the creep rate at a given stress. If BIBD is very large, signifying a very weak interface, then the interface term will dominate the matrix term in Eqn. (76). It should be noted that there is a relative size effect, with large diameter fibers making sliding less important. [Pg.327]

Table IV. Matrix terms (Mq and M] ) for the calculation of the electrochemically available fraction of lead in sea water (28,29)... Table IV. Matrix terms (Mq and M] ) for the calculation of the electrochemically available fraction of lead in sea water (28,29)...
From the now reduced matrix terms delete the elements containing edges included in the cycle. [Pg.36]

For each example, a solution was obtained by applying Eq.(2-23) and the EXCEL software. The solution is presented graphically, which demonstrates the dynamical behavior of the system in occupying the various states under consideration. Such an information was missing in the above refs.[2-8, 15-18, 84]. The latter contained only the one-step transition matrix, termed also as policymaking matrix. [Pg.11]

Reaction rate calculations also require the coupling matrix terms B. The vector B indicates the coupling between motion along the reaction path and the normal modes of vibration corresponding to the projected frequencies, i.e. the normal modes that are perpendicular to the MEP. The ith element of B is... [Pg.241]

In an attempt to simplify searching procedures, we have made an effort to minimize the variety of terms used in the matrix heading. However, in a nmnber of cases, the matrix is associated with various key words that can be used to narrow the search. For exEimple, the term formulations has the key words tablets, creams, ointments, and injections associated with it. Thus, to find references applicable to tablets, search first for formulations under the matrix heading and then tablets under the key word heading. Note that the term bulk is used instead of raw materials. Some of the more common matrix terms md their associated key words are given below. [Pg.1619]

An interesting idea, due to Ugi and his coworkers, [5f,160] is to consider bond and electron matrices for sets of reacting molecules. Thus, any reaction, such as rearrangement, isomerization, addition, substitution or elimination, can be described in matrix terms. This idea allows matricial formulations (including computer storage and retrieval) of both chemical structures and reactions. [Pg.221]


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See also in sourсe #XX -- [ Pg.670 ]




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Chemical source term Jacobian matrix

Chemical source term element matrix

Chemical source term reaction coefficient matrix

Density matrix terms

Force-constant matrix terms

Rotational correction term matrix

Zagreb Matrices in Terms of the Edge-Degrees

Zagreb Matrices in Terms of the Vertex-Degrees

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