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2. Earth mover's distance - Wikipedia

   en.wikipedia.org/wiki/Earth_mover's_distance

   Earth mover's distance. In computer science, the earth mover's distance ( EMD) [ 1] is a measure of dissimilarity between two frequency distributions, densities, or measures, over a metric space D . Informally, if the distributions are interpreted as two different ways of piling up earth (dirt) over D, the EMD captures the minimum cost of ...

3. Graph edit distance - Wikipedia

   en.wikipedia.org/wiki/Graph_edit_distance

   Graph edit distance. In mathematics and computer science, graph edit distance ( GED) is a measure of similarity (or dissimilarity) between two graphs . The concept of graph edit distance was first formalized mathematically by Alberto Sanfeliu and King-Sun Fu in 1983. [ 1] A major application of graph edit distance is in inexact graph matching ...

4. Comoving and proper distances - Wikipedia

   en.wikipedia.org/wiki/Comoving_and_proper_distances

   Comoving distance and proper distance. Comoving distance is the distance between two points measured along a path defined at the present cosmological time. For objects moving with the Hubble flow, it is deemed to remain constant in time. The comoving distance from an observer to a distant object (e.g. galaxy) can be computed by the following ...

5. Cosmic distance ladder - Wikipedia

   en.wikipedia.org/wiki/Cosmic_distance_ladder

   The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects. A direct distance measurement of an astronomical object is possible only for those objects that are "close enough" (within about a thousand parsecs) to Earth. The techniques ...

6. How to pay for moving expenses: 4 options to consider - AOL

   www.aol.com/finance/pay-moving-expenses-4...

   Research the cost of moving companies or trucks in your area to estimate your total moving costs. Next, divide the cost by the number of months until your move. For example, if your estimated cost ...

7. Age of the universe - Wikipedia

   en.wikipedia.org/wiki/Age_of_the_universe

   In physical cosmology, the age of the universe is the time elapsed since the Big Bang.Astronomers have derived two different measurements of the age of the universe: [1] a measurement based on direct observations of an early state of the universe, which indicate an age of 13.787 ± 0.020 billion years as interpreted with the Lambda-CDM concordance model as of 2021; [2] and a measurement based ...