WOLFRAM

Wolfram Language & System Documentation Center

\[LeftAngleBracket]

  • Unicode: 2329.
  • Alias: <.
  • Matchfix operator.
  • x is by default interpreted as AngleBracket[x].
  • Used in the form x to indicate expected or average value.
  • Called bra in quantum mechanics.
  • Used in the form x,y to indicate various forms of inner product.
  • Used in the form x,y,… to denote an ordered set of objects.
  • Not the same as \[RawLess].
  • Extensible character; grows by default to limited size.