Ab initio
Ab initio (Latin; abbreviated: a. I.) Means "from the beginning" and is often used in the field of science:
- In chemistry, for example, an ab initio synthesis means the production ( synthesis ) of a chemical compound from basic chemicals.
- In physics , an ab initio calculation is carried out without the results of the corresponding measurement. The difference between an ab initio calculation and an evaluation of the measurement results can show errors in the execution of the experiment, allow a more precise determination of the parameters that are included in the calculation or show an effect that has not been taken into account so far.
- In quantum chemistry and quantum mechanics , ab initio means solving the Schrödinger equation using only natural constants. When using measured values or empirical parameters, in contrast to ab initio methods , what are known as semi-empirical calculations are involved .
- In aviation , ab initio means flight training “right from the start”, i.e. from pedestrian to airline pilot .
- In music , a piece of music is repeated ab initio from the beginning when the expression is given . See Abbreviatur (music) #Arten
- In jurisprudence , company law speaks of an ab initio - or ex nihilo - founding of a company when a completely new company is founded and does not arise through the conversion of one or more existing companies.
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Wiktionary: ab initio - explanations of meanings, word origins, synonyms, translations
