Real Function/Examples/Arbitrary Temperature

Example of Real Function

The following is an invented graph of a hypothetical output from an automatic temperature sensing device over the period of $12$ hours.

Note that while there is no way to express the temperature as a formula, the relation between the time and the temperature is still a function.

Sources

• 1963: Morris Tenenbaum and Harry Pollard: Ordinary Differential Equations ... (previous) ... (next): Chapter $1$: Basic Concepts: Lesson $2 \text B$: The Meaning of the Term Function of One Independent Variable: Example $2.22$