Inverse functions

function that "reverses" another function: if the function f applied to an input x gives a result of y, then applying its inverse function g to y gives the result x, and vice versa. i.e., f(x) = y if and only if g(y) = x

finding values for variables that make an equation true

theorem that, if a function is continuously differentiable with nonzero Jacobian determinant at a given point, then it is locally invertible near that point

points of the domain of some function at which the function values are maximized or minimized

a natural number that cannot be written as the sum of any other natural number n and the individual digits of n

calculus identity

point of interest for complex multi-valued functions

mathematical operation on invertible matrices

theorem

Generalization of the inverse function theorem