# Category:Definitions/Piecewise Continuously Differentiable Functions

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This category contains definitions related to Piecewise Continuously Differentiable Functions.

Related results can be found in Category:Piecewise Continuously Differentiable Functions.

$f$ is **piecewise continuously differentiable** if and only if:

- there exists a finite subdivision $\set {x_0, \ldots, x_n}$ of $\closedint a b$, $x_0 = a$ and $x_n = b$, such that:
- $f$ is continuously differentiable on $\closedint {x_{i − 1} } {x_i}$, where the derivative at $x_{i − 1}$ understood as right-handed and the derivative at $x_i$ understood as left-handed, for every $i \in \set {1, \ldots, n}$.

## Pages in category "Definitions/Piecewise Continuously Differentiable Functions"

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