# equation

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## equation

a means of portraying arithmetically the relationship between VARIABLES. For example, the equation: C = 1,000 + 0.9Y suggests a particular relationship between consumer expenditure (C) and disposable income (Y), which would be true for certain values of C and Y (such as 10,000 and 10,000 respectively) but not true of other values of C and Y (such as 6,000 and 10,000 respectively). Equations are generally written with a two-bar equals sign (=), with the value to the left of the sign being equal to the value to the right of the sign. The validity of an equation can be tested statistically by collecting paired observations of the variables involved and testing whether or not these observations conform with the equation formulated. See IDENTITY.
References in periodicals archive ?
The values of the target reliability index [beta] at the final solution point are presented under respective columns of each of the three inverse reliability algorithms.
In the proposed IMLD scheme, the a-posteriori probabilities of all of the candidate solution points are considered to estimate the instantaneous covariance matrix of the effective noise.
(9) Set best and worst solution points. (10) While Iter < Maxlter do (11) For i = 1 to PopSize (12) For j = 1 to PopSize (13) Calculate [a.sub.ij] (14) Calculate [F.sub.ij] (15) End for (16) Calculate resultant force [F.sub.i] (17) End for (18) Move each solution point.
Swedish IT consulting company Know IT AB said on Monday (18 June) that it has agreed to acquire the testing and quality assurance consultant Solution Point AB for SEK7m in cash.
If one envisions the set of hyperplanes as all cutting a hypersphere through its center (which is the solution point, i.e., the point of intersection of all the hyperplanes), then reflecting a point on the surface of the hypersphere about a hyperplane (by means of an orthogonal projection through the hyperplane), results in another point also on the surface of the hypersphere.
We start with the tallest, thinnest empty region [A.sub.1] where T_k = 1 and T_j = 217, since ([k.sub.diff], [j.sub.diff]) = (1,217), an integral solution point, has to be excluded.
Therefore, one solution point dominates another when it is as good in every objective and formally better in at least one objective.

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