单词 | exponential function |
释义 | > as lemmasexponential function exponential function n. Mathematics any function having a variable in an exponent; spec. the function ez where e is Euler's number (E n.1 7a) and z is a real or complex variable. ΚΠ 1800 Monthly Rev. 32 App. 487 The present chapter is a rich and well-arranged repository of these methods; by which may be integrated rational functions..or irrational functions..or logarithmic and exponential functions. 1920 A. S. Gale & C. W. Watkeys Elem. Functions & Applic. v. 215 Exponential functions are important because in many fields especially in physics one variable changes increases or decreases in geometrical progression as another, frequently time, changes in arithmetical progression. 2014 C. W. Cryer Math Primer Engineers iii. 37 The exponential function is often used and it is sometimes convenient to write exp(x) instead of ex. < as lemmas |
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