Physics: bra-ket\ip

\ipCommand

Used in quantum-mechanical bra-ket notation as a short alias for inner products such as ⟨\psi|\phi⟩.

\ip{a}
Available in
physics
Kind
prefix
Allowed mode
math
Frequency
Not measured
Commonality
low
Renderer support
PackageMathJaxKaTeXXeTeX
physicsMathJax: FullKaTeX: NoneXeTeX: Full
About the test scope

Syntax#

\ips*starm{a}math contentg{b}optional math content

Argspec s m g — two optional and one mandatory argument. Reading argspecs

Examples#

\ip{a}{b}
\ip*{a}
\ip*{a}{b}

In TeXForm#

TeXForm parses this entry as prefix syntax; the package determines its argument specification.

Expands to#

\ip{a} \left\langle{a}\middle\vert{a}\right\rangle

Short alias for \braket with identical behavior

Equivalent forms#

  • \innerproduct{#1}{#2}exact

    Alias implemented by the same parse method; the same optional star and optional second braced group are also accepted.

  • \braket{#1}{#2}exact

    Alias implemented by the same parse method; if the second braced group is omitted, MathJax duplicates #1 as the ket.

See also#

Test cases#

physics
InputCaseMathJaxKaTeXXeTeX
\ip{a}Positive · baselinePassFailPass
\ip*{a}Positive · vary:s[0]PassFailPass
\ip{a}{b}Positive · vary:g[2]PassFailPass
\ip*{a}{b}Positive · maximalPassFailPass
\ip aPositive · bare[1]PassFailPass
All 22 in Physics: bra-ket