事物的方面
发表于 2025-3-25 06:10:04
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争论
发表于 2025-3-25 07:29:44
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白杨
发表于 2025-3-25 15:29:18
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分开如此和谐
发表于 2025-3-25 16:19:02
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虚度
发表于 2025-3-25 20:36:50
Appendix,This optional appendix upgrades in short a few of the results in the text, that are not necessarily directly used there.
有权
发表于 2025-3-26 02:38:55
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PALMY
发表于 2025-3-26 05:51:32
Function Convergence,lementary functions (polynomials, trigonometric polynomials, etc.). On the other hand, it may be convenient to approximate a given function by functions that have good properties in order to simplify computations or whole theories. The purpose of this chapter is to investigate all this..We shall con
freight
发表于 2025-3-26 11:57:00
Metric Spaces,rn mathematics isolates these two activities in two subjects: . (for a theory of .) and . (that presents a theory of . or, if the reader prefers, . based in the notion of an ., also called a .. Most interestingly, this notion—an inner product— is powerful enough to induce also a distance, and so the
BRUNT
发表于 2025-3-26 13:50:55
Fourier Series,ach to it in order to explain the analytic theory of heat— is to represent functions . defined on . as the sum of a series whose terms are simple trigonometric functions, i.e., the nowadays called .., a series of the form .. This aim may look difficult to achieve, since . is not, in general, .-perio
FOLLY
发表于 2025-3-26 17:18:05
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