An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 10 Search : fit
best fit
  بهترین سز   
behtarin saz

Fr.: meilleur ajustement   

In a scatter plot, a mathematical line or curve that passes as near to as many of the data points as possible.

Best, M.E., from O.E. betst, akin toi O.E. bot "remedy." Fit, from M.E. fitten "to marchal troops," from or akin to M.Dutch vitten "to be suitable."

Behtarin supperlative of beh "good, fine" (Mid.Pers. veh "better, good," O.Pers. vahav-, vahu-, Av. vah-, vohu- "good," cf. Skt. vasu- "good," Hittite wasu-, Gaulish vesus "good") + saz, from sazidan "to be fit, proper," from Mid.Pers. saz, sazistan "to be fitting, proper."

curve fitting
  سز ِ خم، سزکرد ِ ~   
saz-e xam, sazkard-e ~

Fr.: ajustement de courbe   

Construction of mathematical functions whose graphs are curves that "best" approximate a given collection of data points.

→ curve; → fitting.

fit
  ۱) سز کردن؛ ۲) سز   
1) saz kardan; 2) saz

Fr.: 1) ajuster; 2) ajustement   

1) (v.) To pass a mathematical line or curve through data points.
2) (n.) The act of fitting.

From M.E. fitten; akin to M.Du. vitten "to befit."

Saz, from sazidan "to suit, fit, be worthy," sazâ "suitable, agreeing with, congruous, deserving of," Mid.Pers. sacitan/sazidan "to fit," sazešn "fitness," sazâg "fitting, worth;" Av. 1sak- "to understand or know a thing; to mark;" cf. Skt. śak- "to be able, powerful" śakta- "able, competent," śakti- "ability, power;" alternatively from Av. 2sak- "to go by, pass, pass away; to be up or over (of time)."

fitting
  سزکرد، سز   
saz-kard, saz

Fr.: ajustement   

The process or instance of adapting a mathematical curve to data points.

Verbal form of → fit.

fitting error
  ایرنگ ِ سزکرد، ~ سز   
irang-e saz-kard, ~ saz

Fr.: erreur d'ajustement   

The discrepancy between the mathematical curve and data points. → fit.

→ fitting; → error.

least-squares fit
  سز ِ کوچکترین چاروش‌ها   
saz-e kucaktarin cârušhâ

Fr.: ajustement moindres carrées   

A fit through data points using least squares.

→ least squares; → fit.

main-sequence fitting
  سزکرد ِ رشته‌ی ِ فریست   
sazkard-e reshteh-ye farist

Fr.: ajustement par la séquence principale   

The method of determining the distance to a star cluster by overlaying its main sequence on the theoretical zero-age main sequence and noting the difference between the cluster's apparent magnitude and the zero-age main sequence's absolute magnitude.

→ main sequence; → fitting.

profile fitting method
  روش ِ سزکرد ِ فراپال   
raveš-e sazkard-e farâpâl

Fr.: méthode de l'ajustement de profils   

A method of analysis in which the observed stellar image profiles or spectral line profiles are fitted by model profiles in order to study and derive some properties of the object.

→ profile; → fitting; → method.

SED fitting
  سزکرد با SED   
sazkard bâ SED

Fr.: ajustement par distribution de l'énergie spectrale   

A technique that uses → spectral energy distribution results from models to reproduce observational data.

→ spectral energy distribution; → fitting.

specifity
  آبیزگی   
âbizegi

Fr.: spécifité   

The state or character of being → specific.

→ specific; → -ity.