If the input (also known as domain) belongs to \ (\mathbb {R\) (all real numbers), a simple rule can be written in the form of f (x) =. For example, f (x) = x 2 means that for any real value of x, the ...

A function links an input value to an output value. Functions are written in function notation with the name of the function (usually \ (f\) or \ (g\)), a variable written in brackets and an ...

Functions are written in function notation with the name of the function (usually f or g), a variable written in brackets and an expression. When calculating the value of a function, the input ...

As these issues were considered limitations in our original study, this work presents an attempt to improve and clarify the following points: (1) the effects of VOI definition, size, and correction ...