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Results tagged with real-analysis
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user 18827
Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.
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How to determine whether a multivariate function is bounded or not
Suppose there is a function $f:\mathbb{R}_+^n\mapsto \mathbb{R}$. Are there any systematic ways to determine whether the range of $f$ is bounded or not?
For example, there is a function $f(x,y)=-x^2+ …
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