logarithm
Longman Dictionary of Contemporary English 5++LDOCE 5++log·a·rith·m /ˈlɒɡərɪðəm $ ˈlɒː-, ˈlɑː-/ noun [countable] technical HMa number representing another number in a mathematical system so that complicated calculations can be done as simple addition 〔数学中的〕对数
Examples from the Corpus
logarithm• Like logarithms and Milton it was just another burden to be borne.• Mispricings were defined as the natural logarithm of the actual futures price minus the natural logarithm of the no-arbitrage futures price.• For minute-to-minute data, they computed the natural logarithm of the variance of price changes for each day.• Expected values of birth weight for gestational age were obtained by regressing the natural logarithm of birth weight on gestational age.• The idea of logarithms is based on exponents.• Volume was measured as the logarithm of the number of futures contracts traded each day in the near contract.• Hence, the use of the change in the logarithm of prices implicitly assumes that F t is the sum invested.• The change in the logarithm of prices has the advantage of being scale-independent.Origin logarithm (1600-1700) Modern Latin logarithmus, from Greek logos ( → LOGIC) + arithmos “number”log·a·rith·m nounChineseSyllable
a number in a another Corpus representing number
logarithm
log‧a‧rith‧m /ˈlɒɡərɪðəm $ ˈlɒː-, ˈlɑː-/
noun [countable] technical
log‧a‧rith‧m /ˈlɒɡərɪðəm $ ˈlɒː-, ˈlɑː-/
noun [countable] technical Date: 1600-1700
Language: Modern Latin
Origin: logarithmus, from Greek logos ( ⇨ logic) + arithmos 'number'
a number representing another number in a mathematical system so that complicated calculations can be done as simple addition
Language: Modern Latin
Origin: logarithmus, from Greek logos ( ⇨ logic) + arithmos 'number'