continuous function
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21: 1.16 Distributions
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is called a distribution, or generalized function, if it is a continuous linear functional on , that is, it is a linear functional and for every in ,
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►A tempered distribution is a continuous linear functional
on .
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►A distribution in is a continuous linear functional on .
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►Tempered distributions are continuous linear functionals on this space of test functions.
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22: Bibliography E
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Generating functions of certain continuous orthogonal systems.
Proc. Roy. Soc. Edinburgh. Sect. A. 61, pp. 61–70.
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23: 10.18 Modulus and Phase Functions
24: 10.68 Modulus and Phase Functions
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►where , , , and are continuous real functions of and , with the branches of and chosen to satisfy (10.68.18) and (10.68.21) as .
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25: 18.39 Applications in the Physical Sciences
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►The spectrum is mixed as in §1.18(viii), with the discrete eigenvalues given by (18.39.18) and the continuous eigenvalues by () with corresponding eigenfunctions expressed in terms of Whittaker functions (13.14.3).
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►Given that in both the attractive and repulsive cases, the expression for the absolutely continuous, , part of the function of (18.35.6) may be simplified:
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18.39.50
, .
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26: 22.14 Integrals
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►The branches of the inverse trigonometric functions are chosen so that they are continuous.
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►Again, the branches of the inverse trigonometric functions must be continuous.
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27: 28.29 Definitions and Basic Properties
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is either a continuous and real-valued function for or an analytic function of in a doubly-infinite open strip that contains the real axis.
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28: 2.6 Distributional Methods
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►, a continuous linear functional) on the space of rapidly decreasing functions on .
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►Since the function
and all its derivatives are locally absolutely continuous in , the distributional derivatives in the first sum in (2.6.44) can be replaced by the corresponding ordinary derivatives.
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29: 18.27 -Hahn Class
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►Thus in addition to a relation of the form (18.27.2), such systems may also satisfy orthogonality relations with respect to a continuous weight function on some interval.
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30: 24.17 Mathematical Applications
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►Let denote the class of functions that have
continuous derivatives on and are polynomials of degree at most in each interval , .
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