Mataupu
Logarithm o se numera o le mana lea e tatau ona siitia i ai le tasi numera ina ia maua ai le isi.
Afai o le numera b i le tulaga y tutusa x:
by = x
O lea la o le logarithm o le numera x i le mafuaaga b is y:
y = logb(X)
Faataitaiga:
24 = 16
log2(16) = 4
Logarithm e pei ole galuega fa'afeagai ile fa'atele
galuega tau logarithmic y = logb(x) o le galuega fa'afeagai o le fa'asologa x=b y.
Afai la tatou te fa'atatauina le galuega fa'aopoopo o le logarithm x (x > 0), e foliga mai:
f (f -1(x)) = blogb(x) = x
Pe a tatou fa'atatauina le logarithm o le galuega fa'aopoopo х:
f -1(f (x)) = ogalaaub(bx) = x
Logarithm faanatura (ln)
O le logarithm masani o le logarithm faavae е.
ln (x) = ogalaaue(x)
nūmera e ose tumau e mafai ona faauigaina o se tapulaa:
Pe fa'apea:
Logarithm faafeagai
Logaritma faafeagai (po o le antilogarithm) o se numera n o se numera o logaritma faavae a e tutusa ma le numera n.
ogalaau loian = an
Lisi o meatotino o logarithms
O lo'o i lalo mea taua o logarithms i fa'asologa fa'asologa.
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meatotino | fomula | faataitaiga | |||||
Fa'asinomaga logarithmic faavae | Logarithm o le oloa | Vaega/quotient logarithm | Logarithmic tikeri | Logarithm o se numera i le faavae i le tikeri | |||
logarithm a'a | |||||||
Toe fa'atulagaina le fa'avae o le logarithm | Suiga i se faavae fou | Fa'atupuina ole logarithm | Logarithm tu'ufa'atasi | Logarithm o se numera leaga | Logarithm o se numera e tutusa ma le faavae | Logarithm o le le i'u | Логарифмическая функция Функция, которая определена формулой f (x)= ogalaaua(x) – это логарифмическая функция с основанием a... Lea a>0, a≠1. График функции логарифмаГрафик логарифмической функции (логарифмика) может быть двух типов, в зависимости от значения основания a:
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