The natural domain of a formula is the set of values for which it is defined, typically within the reals but sometimes among the integers or complex numbers. For instance the natural domain of square root is the non-negative reals when considered as a real number function. When considering a natural domain the set of possible values of the function is typically called its range.
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Famous quotes containing the words natural and/or domain:
“Art is not tame, and Nature is not wild, in the ordinary sense. A perfect work of man’s art would also be wild or natural in a good sense.”
—Henry David Thoreau (1817–1862)
“You are the harvest and not the reaper
And of your domain another is the keeper.”
—John Ashbery (b. 1927)