hyperbolic cosine

短语

双曲函数

词形变化

hyperbolic cosines 复数 hyperbolic cosines

释义与例句

n.
  1. 1.

    A hyperbolic function that is the analogue of the cosine function for hyperbolic spaces, taking in a hyperbolic angle as an argument and returning the y-coordinate for the corresponding point on the unit hyperbola, symbolically represented as

    双曲函数

    数学

    cosh (x)= tfrac 1 2(eˣ+e⁻ˣ).