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Neighborhood vector

From this stage onward, interphase and mitosis (or division) alternate until the final organization of the agent is reached. Again, interphase is the phase in which each and every cell (1) computes its neighborhood vector, (2) allows its RBN to settle into a fixed state, and (3) decides whether to divide or not based on the state of bit 4 of its (settled) state vector. One more cycle of development will be described in detail. All following cycles, which are too many to be described here in detail, follow the same pattern. [Pg.321]

After cells L and R divide, we get four cells LT, LB, RT, and RB (where L is left, R is right, T is top, and B is bottom). All cells have the same genome (and, thus, update rules), but they also inherit the steady state vectors of their parents. The steady states of new cells RT and RB are not perturbed by any external influence, in accordance with the update rules of Table 10.1. However, for new cells LT and LB, the resetting of bit 1 in the neighborhood vector results in bit 2 of their state vectors switching ON. Since this bit is part of the 3-bit cell type bits, the type (and, thus, color) of both resulting cells change. This process is summarized below. [Pg.322]

Neighborhood vector = 011110 State Vector = 001111 -> 011111 Cell Type = 6... [Pg.322]

Now z — cy < 0 must hold for all j in order to have obtained a solution x° whose components are given by the coefficients expressing P0 as a linear combination of Pi and P2. To impose the condition zy — cy < 0 on the parameter t, is to solve a set of simultaneous—not necessarily linear—inequalities in. Then Pi and P2 would be an optimal basis for this interval of values of. By fixing a value of immediately outside the interval and in the neighborhood of a boundary point, the vector to be eliminated and that to be introduced into the basis are produced in the usual manner, and the process is then repeated. If no value of t satisfies the set of inequalities, then by fixing at a given 0, the usual procedure is used to eliminate a vector and introduce another into the basis. [Pg.299]

Derivation of the Structure.—The observed intensities reported by Ludi et al. for the silver salt have been converted to / -values by dividing by the multiplicity of the form or pair of forms and the Lorentz and polarization factors (Table 1). With these / -values we have calculated the section z = 0 of the Patterson function. Maxima are found at the positions y2 0, 0 1/2, and 1/21/2. These maxima represent the silver-silver vectors, and require that silver atoms lie at or near the positions l/2 0 2,0 y2 z, V2 V2 z. The section z = l/2 of the Patterson function also shows pronounced maxima at l/2 0,0 y2, and y2 x/2, with no maximum in the neighborhood of y6 ys. These maxima are to be attributed to the silver-cobalt vectors, and they require that the cobalt atom lie at the position 0 0 0, if z for the silver atoms is assigned the value /. Thus the Patterson section for z = /2 eliminates the structure proposed by Ludi et al. [Pg.612]

Points on the zero-flux surfaces that are saddle points in the density are passes or pales. Should the critical point be located on a path between bonded atoms along which the density is a maximum with respect to lateral displacement, it is known as a pass. Nuclei behave topologically as peaks and all of the gradient paths of the density in the neighborhood of a particular peak terminate at that peak. Thus, the peaks act as attractors in the gradient vector field of the density. Passes are located between neighboring attractors which are linked by a unique pair of trajectories associated with the passes. Cao et al. [11] pointed out that it is through the attractor behavior of nuclei that distinct atomic forms are created in the density. In the theory of molecular structure, therefore, peaks and passes play a crucial role. [Pg.127]

Update the weights vectors of nodes in the neighborhood of the winning node. [Pg.60]

Fig. 7.1 The electron density p(t) is displayed in the and Fig. 7.1 The electron density p(t) is displayed in the and <rv symmetry planes of BF3 in (a) and (b), respectively. The density is a maximum at the position of each nucleus (values of p greater than 2.5 au are not shown in the relief maps) and has a saddle between B and each of the F nuclei. The minimum in p at a saddle point denotes the position of a bond critical point (BCP). The trajectories traced out by the vectors Vp are illustrated in (c) and (d) for the same planes as in (a) and (b). All the paths in the neighborhood of a given nucleus terminate at the maximum value of p found at each nucleus and define the atomic basin. (a) and (b) show two orthogonal views of the same BCP. They indicate that p is a minimum at the BCP along the internuclear axis, the curvature is positive, and two trajec-...
To apply these ideas to a general optimization problem, let the system state vector q correspond to the objects to be optimized (job sequences, vehicle routes, or vectors of decision variables), denoted by x. The system energy level corresponds to the objective function fix). As in Section 10.5.1, let N(x) denote a neighborhood of x. The following procedure (Floquet et al., 1994) specifies a basic SA algorithm ... [Pg.399]

One of the most powerful techniques by which protein-protein neighborhoods within the ribosomal particles can be elucidated is neutron scattering. When using this method to determine the relative positions of proteins in the 30 S subunit, the pardcle is reconstituted with two specific proteins that are deuterated whereas all other ribosomal components are in the protonated form (Moore, 1980). The subunits containing the two deuterated proteins give additional contributions to the scattering curves which provide information on the lengths of the vectors between the two deuterated proteins. [Pg.34]

Were it not for the particle, of course, A would just be a unit vector parallel to the direction of propagation of the incident plane wave, and the field lines would be parallel lines. At sufficiently large distances from the particle the field lines are nearly parallel, but close to it they are distorted. It is the nature of this distortion in the neighborhood of a small sphere and its relation to the optical properties of the sphere that we now wish to investigate. [Pg.339]

The hypothesis of small deformations means that c/.v. the change in die displacement vector when we go from P tu the neighboring point Q, is very small compared m dr. the position vector of Q relative to P. Consequently, the scalar components of the dyadic Vs arc al) very snlull compared lo unity. The geometrical meaning of ihe dyadic Vs is obtained by separating it into its symmetric part S = j(Vs + sV) and iis antisymmetric part R = - I x (V x si. where 1 is the unity dyadic. The antisymmetric part is interpreted as follows if at some point M the symmetric part vanishes, ilien we have for die neighborhood ul M the relation... [Pg.538]

Remark 2 Assumption (vi) requires that for all y Y there exist optimal multiplier vectors and that these multiplier vectors do not go to infinity, that is they are uniformly bounded in some neighborhood of each such point. Geoffrion (1972) provided the following condition to check the uniform boundedness ... [Pg.141]


See other pages where Neighborhood vector is mentioned: [Pg.317]    [Pg.320]    [Pg.320]    [Pg.321]    [Pg.322]    [Pg.322]    [Pg.317]    [Pg.320]    [Pg.320]    [Pg.321]    [Pg.322]    [Pg.322]    [Pg.457]    [Pg.547]    [Pg.66]    [Pg.75]    [Pg.83]    [Pg.400]    [Pg.99]    [Pg.84]    [Pg.228]    [Pg.20]    [Pg.36]    [Pg.342]    [Pg.602]    [Pg.19]    [Pg.539]    [Pg.141]    [Pg.141]    [Pg.66]    [Pg.167]    [Pg.346]    [Pg.5]    [Pg.277]    [Pg.65]    [Pg.66]    [Pg.104]    [Pg.16]    [Pg.255]    [Pg.47]    [Pg.62]    [Pg.53]    [Pg.13]   
See also in sourсe #XX -- [ Pg.317 , Pg.322 ]




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