smoothfunction
nounUK /smuːð ˈfʌŋkʃən/
US /smuːð ˈfʌŋkʃən/
A smooth function is a math rule that makes a line with no sharp corners or jumps.
The teacher drew a smooth function on the board that curved gently like a hill.
RELATED WORDS
OTHER MEANINGS
2. In advanced math, a function that has derivatives of every order.
Polynomials are smooth functions because you can keep taking their derivatives forever.
3. A function whose graph looks like a soft, unbroken curve.
The roller coaster path was modeled as a smooth function so the ride felt gentle.
4. A nice, predictable rule in math that changes gradually.
Scientists used a smooth function to show how the temperature slowly rose during the day.