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Mathematics definite integration

They point out that at the heart of technical simulation there must be unreality otherwise, there would not be need for simulation. The essence of the subject linder study may be represented by a model of it that serves a certain purpose, e.g., the use of a wind tunnel to simulate conditions to which an aircraft may be subjected. One uses the Monte Carlo method to study an artificial stochastic model of a physical or mathematical process, e.g., evaluating a definite integral by probability methods (using random numbers) using the graph of the function as an aid. [Pg.317]

A function/(x) starts with a number, x, performs mathematical operations, and produces another number, /. It transforms one number into another. A functional starts with a function, performs mathematical operations, and produces a number. It transforms an entire function into a single number. The simplest and most common example of a functional is a definite integral. The goal in Example 6.5 was to maximize the integral... [Pg.207]

In Sect. 2.7.2 the mathematical definition of a projection has been given. A projection is an operator which maps a multidimensional function on a subspace by means of an integration. [Pg.147]

It follows that the functions in the left-hand column of the preceding table are the integrals of the functions in the right-hand column. More formally, they are the indefinite integrals of the function, in contrast to the definite integrals described next. Tables of indefinite integrals in reference books may be consulted for more complex examples, or mathematical software can be used to evaluate them. [Pg.995]

This equation is the Ornstein-Zernike (OZ) equation and gives the mathematical definition of c(r 2) with the indirect effect being expressed as a convolution integral of h and c. By Fourier transformation, one obtains... [Pg.70]

The quantitative definition of this critical spatial coordinate is I a = 0 at = criticai- Two Constants of integration appear when the mass balance is solved for the basic information, I a = fiv)- These two integration constants, together with ncriticah represent three unknowns that are determined from two boundary conditions and the mathematical definition of the critical spatial coordinate. Hence, the three conditions are ... [Pg.462]

In mathematical jargon, this is called a Riemann sum. As we divide the area into a greater and greater number of narrower strips, n oo and Ax 0. The limiting process defines the definite integral (also called a Riemann integral) ... [Pg.91]

The definite integral on the right side of this equation is a function of the parameter t, and it is generally a valid mathematical operation to calculate its derivative with respect to t by differentiating the integrand with respect to t ... [Pg.205]

Optimal control problems in optimization involve vector decision variables like the technological and socio-economic profiles to be determined for sustainabdity. It involves integral objective function and the underlying model is a differential algebraic system. Shastri and Diwekar [24] presented a mathematical definition of the sustainability hypothesis proposed by Cabezas and Path [16] based on FI. They assumed a system with n species, and calculated the time average Fb using Eq. [8.16]. [Pg.195]

Comment. Number of operators ranges from 1 to whatever. Speaking of common mathematical operators the maximum number is 4 (definite integral (see Fig. 6.47), sum and others). However, if we consider that a plot in Mathcad (see Fig. 6.11) is represented by an operator the maximum number of operands is questionable. In case of a plot, we can tell about variable number of operands too. [Pg.216]

Given ng and 1(R, p), Eqs. (7.32a, b) can be integrated successively from r = R to a large value of r. By definition Z(R, p) = -y where yis the recombination probability in presence of scavenger. Only for the correct value of ydo the solutions of (7.32a, b) smoothly vanish asymptotically as r—-o° otherwise, they diverge. Thus, the mathematics is reduced to a numerical eigenvalue problem of finding the correct value of I(R, p). [Pg.235]

Note 7 There are definitions of linear viscoelasticity which use integral equations instead of the differential equation in Definition 5.2. (See, for example, [11].) Such definitions have certain advantages regarding their mathematical generality. However, the approach in the present document, in terms of differential equations, has the advantage that the definitions and descriptions of various viscoelastic properties can be made in terms of commonly used mechano-mathematical models (e.g. the Maxwell and Voigt-Kelvin models). [Pg.163]


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