Now let’s consider real functions of a real variable, that is, functions that go from the real numbersReal numbers to the real numbers. First, we must define what the limit of a function at a point means.

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Continuous Functions

  • Arturo Portnoy

摘要

Now let’s consider real functions of a real variable, that is, functions that go from the real numbersReal numbers to the real numbers. First, we must define what the limit of a function at a point means.