inverse function
短语[计] 反函数
发音
其它
词形变化
inverse functions
复数
inverse functions
释义与例句
n.
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1.
For a given function f, another function, denoted f⁻¹, that reverses the mapping action of f; (formally) given a function f:X→Y, a function g:Y→X such that, ∀x∈X,f(x)=y⟹g(y)=x.
数学Halving is the inverse function of doubling.
If an inverse function exists for a given function, then it is unique.
The inverse function of an inverse function is the original function.
In words, this formula says that the derivative of a function, f, with respect to x, is the reciprocal of the derivative of its inverse function with respect to f.