Metric SpaceYou are currentlybrowsing as guest. Click here to log in |
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A Metric Space is a set with a concept of distance. That concept is embodied in a function which is called a metric. More formally, given a set, a metric on that set is a function d(x,y) that takes two elements and returns a real number. The metric has to satisfy the following conditions:
From Metric Spaces we can get the concept of Open Sets, which in turn leads to the idea of a topological space, which manages to keep the concept of closeness, without requiring the concept of distance.
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