Examples
- The functions and are concave, as the second derivative is always negative.
- Any linear function is both concave and convex.
- The function is concave on the interval .
- The function, where is the determinant of a nonnegative-definite matrix B, is concave.
- Practical example: rays bending in Computation of radiowave attenuation in the atmosphere.
Read more about this topic: Concave Function
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