1. Metric (mathematics)In mathematics, a metric or distance function is a function which defines a distance between elements of a set. A set with a metric is called a metric space. A metric induces a topology on a set but not all topologies can be generated by a metric. A topological space whose topology can be described by a metric is called metrizable.
Read “Metric (mathematics)” on English Wikipedia
Read “距離函数” on Japanese Wikipedia
Read “Metric (mathematics)” on DBpedia
Read “Metric (mathematics)” on English Wikipedia
Read “距離函数” on Japanese Wikipedia
Read “Metric (mathematics)” on DBpedia
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