SciPy konstantalari
SciPy’dagi konstantalar
SciPy ko‘proq ilmiy hisob-kitoblarga yo‘naltirilganligi sababli, u ko‘plab o‘rnatilgan ilmiy konstantalarni taqdim etadi.
Bu konstantalar Data Science bilan ishlaganingizda foydali bo‘lishi mumkin.
PI ilmiy konstantaga misol bo‘la oladi.
Misol
PI konstantasining qiymatini chiqaring:
from scipy import constants
print(constants.pi)
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Konstanta birliklari
constants modulidagi barcha birliklar ro‘yxatini dir() funksiyasi yordamida ko‘rish mumkin.
Misol
Barcha konstantalar ro‘yxatini chiqaring:
from scipy import constants
print(dir(constants))
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Birlik toifalari
Birliklar quyidagi toifalarga bo‘lingan:
- Metrik
- Ikkilik
- Massa
- Burchak
- Vaqt
- Uzunlik
- Bosim
- Hajm
- Tezlik
- Harorat
- Energiya
- Quvvat
- Kuch
Metrik (SI) prefikslar:
Ko‘rsatilgan birlikni metrlarda qaytaradi (masalan, centi 0.01 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.yotta) #1e+24
print(constants.zetta) #1e+21
print(constants.exa) #1e+18
print(constants.peta) #1000000000000000.0
print(constants.tera) #1000000000000.0
print(constants.giga) #1000000000.0
print(constants.mega) #1000000.0
print(constants.kilo) #1000.0
print(constants.hecto) #100.0
print(constants.deka) #10.0
print(constants.deci) #0.1
print(constants.centi) #0.01
print(constants.milli) #0.001
print(constants.micro) #1e-06
print(constants.nano) #1e-09
print(constants.pico) #1e-12
print(constants.femto) #1e-15
print(constants.atto) #1e-18
print(constants.zepto) #1e-21
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Ikkilik prefikslar:
Ko‘rsatilgan birlikni baytlarda qaytaradi (masalan, kibi 1024 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.kibi) #1024
print(constants.mebi) #1048576
print(constants.gibi) #1073741824
print(constants.tebi) #1099511627776
print(constants.pebi) #1125899906842624
print(constants.exbi) #1152921504606846976
print(constants.zebi) #1180591620717411303424
print(constants.yobi) #1208925819614629174706176
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Massa:
Ko‘rsatilgan birlikni kilogrammlarda (kg) qaytaradi (masalan, gram 0.001 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.gram) #0.001
print(constants.metric_ton) #1000.0
print(constants.grain) #6.479891e-05
print(constants.lb) #0.45359236999999997
print(constants.pound) #0.45359236999999997
print(constants.oz) #0.028349523124999998
print(constants.ounce) #0.028349523124999998
print(constants.stone) #6.3502931799999995
print(constants.long_ton) #1016.0469088
print(constants.short_ton) #907.1847399999999
print(constants.troy_ounce) #0.031103476799999998
print(constants.troy_pound) #0.37324172159999996
print(constants.carat) #0.0002
print(constants.atomic_mass) #1.66053904e-27
print(constants.m_u) #1.66053904e-27
print(constants.u) #1.66053904e-27
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Burchak:
Ko‘rsatilgan birlikni radianlarda qaytaradi (masalan, degree 0.017453292519943295 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.degree) #0.017453292519943295
print(constants.arcmin) #0.0002908882086657216
print(constants.arcminute) #0.0002908882086657216
print(constants.arcsec) #4.84813681109536e-06
print(constants.arcsecond) #4.84813681109536e-06
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Vaqt:
Ko‘rsatilgan birlikni sekundlarda qaytaradi (masalan, hour 3600.0 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.minute) #60.0
print(constants.hour) #3600.0
print(constants.day) #86400.0
print(constants.week) #604800.0
print(constants.year) #31536000.0
print(constants.Julian_year) #31557600.0
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Uzunlik:
Ko‘rsatilgan birlikni metrlarda qaytaradi (masalan, nautical_mile 1852.0 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.inch) #0.0254
print(constants.foot) #0.30479999999999996
print(constants.yard) #0.9143999999999999
print(constants.mile) #1609.3439999999998
print(constants.mil) #2.5399999999999997e-05
print(constants.pt) #0.00035277777777777776
print(constants.point) #0.00035277777777777776
print(constants.survey_foot) #0.3048006096012192
print(constants.survey_mile) #1609.3472186944373
print(constants.nautical_mile) #1852.0
print(constants.fermi) #1e-15
print(constants.angstrom) #1e-10
print(constants.micron) #1e-06
print(constants.au) #149597870691.0
print(constants.astronomical_unit) #149597870691.0
print(constants.light_year) #9460730472580800.0
print(constants.parsec) #3.0856775813057292e+16
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Bosim:
Ko‘rsatilgan birlikni paskallarda qaytaradi (masalan, psi 6894.757293168361 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.atm) #101325.0
print(constants.atmosphere) #101325.0
print(constants.bar) #100000.0
print(constants.torr) #133.32236842105263
print(constants.mmHg) #133.32236842105263
print(constants.psi) #6894.757293168361
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Yuza:
Ko‘rsatilgan birlikni kvadrat metrlarda qaytaradi (masalan, hectare 10000.0 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.hectare) #10000.0
print(constants.acre) #4046.8564223999992
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Hajm:
Ko‘rsatilgan birlikni kub metrlarda qaytaradi (masalan, liter 0.001 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.liter) #0.001
print(constants.litre) #0.001
print(constants.gallon) #0.0037854117839999997
print(constants.gallon_US) #0.0037854117839999997
print(constants.gallon_imp) #0.00454609
print(constants.fluid_ounce) #2.9573529562499998e-05
print(constants.fluid_ounce_US) #2.9573529562499998e-05
print(constants.fluid_ounce_imp) #2.84130625e-05
print(constants.barrel) #0.15898729492799998
print(constants.bbl) #0.15898729492799998
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Tezlik:
Ko‘rsatilgan birlikni metr/sekund birligida qaytaradi (masalan, speed_of_sound 340.5 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.kmh) #0.2777777777777778
print(constants.mph) #0.44703999999999994
print(constants.mach) #340.5
print(constants.speed_of_sound) #340.5
print(constants.knot) #0.5144444444444445
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Harorat:
Ko‘rsatilgan birlikni kelvinlarda qaytaradi (masalan, zero_Celsius 273.15 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.zero_Celsius) #273.15
print(constants.degree_Fahrenheit) #0.5555555555555556
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Energiya:
Ko‘rsatilgan birlikni joullarda qaytaradi (masalan, calorie 4.184 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.eV) #1.6021766208e-19
print(constants.electron_volt) #1.6021766208e-19
print(constants.calorie) #4.184
print(constants.calorie_th) #4.184
print(constants.calorie_IT) #4.1868
print(constants.erg) #1e-07
print(constants.Btu) #1055.05585262
print(constants.Btu_IT) #1055.05585262
print(constants.Btu_th) #1054.3502644888888
print(constants.ton_TNT) #4184000000.0
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Quvvat:
Ko‘rsatilgan birlikni vattlarda qaytaradi (masalan, horsepower 745.6998715822701 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.hp) #745.6998715822701
print(constants.horsepower) #745.6998715822701
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Kuch:
Ko‘rsatilgan birlikni nyutonlarda qaytaradi (masalan, kilogram_force 9.80665 qiymatini qaytaradi)
Misol
from scipy import constants
print(constants.dyn) #1e-05
print(constants.dyne) #1e-05
print(constants.lbf) #4.4482216152605
print(constants.pound_force) #4.4482216152605
print(constants.kgf) #9.80665
print(constants.kilogram_force) #9.80665
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