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Physics "back-of-the-envelope": Analyse, Abschätzung und Überschlagsberechnung

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Art:Schlüsselqualifikation
Semester:SS 2008
Dozent:Riedle
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From Wikipedia, the free encyclopedia

The phrase back-of-the-envelope calculations (abbreviated "BotEC") refers to rough calculations that, while not rigorous, test or support a point. They are far more than a guess but far less than a proof. The phrase is generally used in mathematics, physics and engineering.
The phrase is derived from the practice of quickly jotting down calculations on the nearest available piece of paper, which often means the back of an envelope.
Note that the term is an idiom; back-of-the-envelope calculations need not be performed on an envelope, or even written on paper; they could be performed on a computer. The defining factor is the use of simplified, scaled-down models.

http://en.wikipedia.org/wiki/Back-of-the-envelope_calculation

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Letzte Änderung: 2017-10-16 09:30
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ERRNO: 0
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RESULT:
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ABORTED
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nav.inc[abfrage], query:INSERT INTO kurzzeitstatistik (Datei, Adresse, id, TS) VALUES ("", "3.144.252.140" , "312" , "1714621015 " )
-------------------------------------------
ERRNO: 0
-------------------------------------------
RESULT:
-------------------------------------------
ABORTED
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nav.inc[abfrage], query:INSERT INTO statistik (Datei, Adresse, id, TS, Laufzeit) VALUES ("", "3.144.252.140" , "312" , "1714621015 ","" )
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ERRNO: 0
-------------------------------------------
RESULT:
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ABORTED
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