Word Pronunciation & Dictionary

inverse function

Word Rarity Rare

Frequency: Zipf frequency 3.40 in modern English

Syllables: in-verse -func-tion
IPA

23

Scrabble Score

15

Letters

4

Syllables

11

Unique Chars

Meaning

noun

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.

Example Sentences

"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 the context of linearization, we recall the reflective property of inverse functions; the ƒ curve contains the point (a,b) if and only if the ƒ⁻¹ curve contains the point (b,a)."
"An example of another function that has an inverse function is f(x)#61;4x#43;5. Its inverse is f#123;-1#125;(x)#61;#92;frac#123;x-5#125;#123;4#125;."
"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."

Inflected Forms

inverse functions (plural)

Frequently Paired Words

invertible

Synonyms

anti-function

Questions

What does inverse function mean?: 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.

How to pronounce inverse function

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