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发表于 2025-4-1 04:31:19
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fodlder
发表于 2025-4-1 06:36:42
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ETHER
发表于 2025-4-1 11:07:15
A Few Applications of Hilbert SpacesIn the previous chapter we developed, with the help of analysis, an understanding of Hilbert (and Banach) spaces as a kind of satisfactory generalization of linear algebra to infinite-dimensional spaces. In particular, we developed modified notions of duals and bases which behave well in this situation.
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发表于 2025-4-1 17:16:43
sed not only as a textbook for a course but also as a refereThe book begins at the level of an undergraduate student assuming only basic knowledge of calculus in one variable. It rigorously treats topics such as multivariable differential calculus, Lebesgue integral, vector calculus and differential