title: Piecewise linear
text: # Piecewise linear
  
  Piecewise linear may refer to:
  
  * Piecewise linear curve, a connected sequence of line segments
  * Piecewise linear function, a function whose domain can be decomposed into pieces on which the function is linear
  * Piecewise linear manifold, a topological space formed by gluing together flat spaces
  * Piecewise linear homeomorphism, a topological equivalence between two piecewise linear manifolds
  * Piecewise linear cobordism, a cohomology theory
  * Piecewise linear continuation, a method for approximating functions by piecewise linear functions
  