Примери коришћења Metric space на Енглеском и њихови преводи на Српски
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Let(X, d) be a bounded metric space.
Course content: Metric spaces and function of several variables.
Let(X, d) be a locally finite metric space.
Let( X, d) be a metric space associated with the metric d.
A set with a metric is called a metric space.
A metric space is now considered a special case of a general topological space. .
Then(X, d) forms a non-empty complete metric space.
To prove this fact,note that any open set in a metric space is the union of an increasing sequence of closed sets.
Much of analysis happens in some metric space;
The metric space which most closely corresponds to our intuitive understanding of space is the 3-dimensional Euclidean space. .
Let(X, d) be an infinite locally finite metric space.
The metric space that corresponds most closely to our intuitive understanding of space is the 3-dimensional flat Euclidian space. .
Then\((X, d)\) is a complete dislocated metric space.
Much of analysis happens in some metric space; the most commonly used are the real line, the complex plane, Euclidean space, other vector spaces, and the integers.
Recall that a continuum is a nonempty connected compact metric space.
Therefore the Cantor set itself is a metric space, by using that same metric. .
There are, however, topological spaces that are not metric spaces.
If we further require that the leash must move continuously in the ambient metric space, then we obtain the notion of the homotopic Fréchet distance between two curves.
We have seen above that the Cantor set is a totally disconnected perfect compact metric space.
Given a injective function f from any set A to a metric space(X, d), d(f(x), f(y)) defines a metric on A.
Given by the absolute value, and more generally Euclidean n-space with the Euclidean distance,are complete metric spaces.
It guarantees the existence anduniqueness of fixed points of certain self-maps of metric spaces and provides a constructive method to find those fixed points.
This generalises the Euclidean space example,since Euclidean space with the Euclidean distance is a metric space.
A subset U of a metric space(M, d) is called open if, given any point x in U, there exists a real number ε> 0 such that, given any point y in M with d(x, y)< ε, y also belongs to U.
The rational numbers with the same distance also form a metric space, but are not complete.
The topological definition of open sets generalizes the metric space definition: If one begins with a metric space and defines open sets as before,then the family of all open sets is a topology on the metric space.
The rational numbers with the same distance function also form a metric space, but not a complete one.
The concept can be defined naturally in a metric space where a notion of distance between elements of the space is defined, but it can be generalized to topological spaces where we have no concrete way to measure distances.
Using the absolute value to measure distances,the irrational numbers become a metric space which is not complete.