The phrase "a separate function" is correct and usable in written English.
It can be used when referring to a distinct role or purpose that is different from others in a particular context, such as programming or organizational tasks.
Example: "In our software, the user authentication process is handled by a separate function to ensure security."
Alternatives: "an independent function" or "a distinct function".
Each box serves a separate function and each has been carefully placed to maximise light and outlook without encroaching on the neighbours' space or privacy.
There's a separate function for drilling in masonry and a handy LED light for working in darker areas.
Is it better to have several buttons, each assigned to a separate function, or fewer buttons that require riders to learn a code for different features?
Then the picture will widen to feature the Tri-Centric Orchestra, led by three separate conductors, each fulfilling a separate function.
Each signal has a separate function, and now to nullify the distinction between yellow light and red light is not only unfeasible but also in conflict with current law".
Already, said Walter Ulrich, an early developer of commercial e-mail who is now an entrepreneur and consultant in Houston, "the interlinking of e-mail, information, directories, etc., is so smooth that e-mail almost disappears as a separate function and becomes part of the plumbing".
However, if those patients can be identified, specifying a separate mapping function for that part of the populations is still a suggested option to reduce prediction error.
Alternatively, one option is to specify a separate mapping function for patients in poor health whose utility values are overpredicted.
Hopefully it's some sort of layer that can be served up over top of the cable or satellite content and not a totally separate function requiring switching inputs or changing modes.
Second, the expression of Caps in R8 is already known to have a quite separate function, in the targeting of the R8 axon growth cones to the appropriate layer of the optic lobe [8].
This paper examines an altogether separate function for acetylcholine and that is its role as an important and generalized vasodilator.
