functions

Concepts

• image

Properties

• continuity
• convex vs concave
• bounded
• cardinality
  • injection: is injective if for every , there is at most one s.t. .
  • surjection: is surjective if for every , there is at least one s.t. .
  • bijection: injective and surjective
• periodic function

Operations

• inverse
• convolution
• Laplace transform
• Fourier transform

Other

• special functions
• support
• generalized function
• involution