## Category Documents

Physics/Assume
places assumptions without redefining the variables receiving assumptions - suitable for working with the Physics, VectorCalculus and MathematicalFunctions packages

Physics/Bra
create a Bra state vector of a discrete or continuous space of quantum states in Dirac's notation

Physics/Bracket
compute the scalar product between Bras, Kets, and quantum operators in Dirac's notation

Physics/Check
check the occurrence of more than one noncommutative or anticommutative object in commutative products and the correctness of the free and repeated spacetime indices in a mathematical expression

Physics/Coefficients
extract all coefficients of a multivariate polynomial involving commutative and anticommutative variables

Physics/D_
indexed covariant/contravariant differential operator with respect to curvilinear spacetime coordinates

Physics/Dagger
compute the Hermitian conjugate or Adjoint of a given mathematical object

Physics/Define
define a Physics tensor, its structure, and the (anti)symmetry of its indices under permutation

Physics/.
scalar product between Bras, Kets, and quantum operators, and simplification of contracted indices in spacetime tensors

Physics/Expand
expand noncommutative products over sums, Commutators, Brackets, etc.

Physics/Geodesics
computes and solves the geodesic equations for the spacetime metric

Physics/GrassmannParity
compute the Grassmannian parity, as 0, 1 or undefined, according to whether an expression is commutative, anticommutative or noncommutative

Physics/Gtaylor
Taylor series expansion of expressions involving anticommutative variables

Physics/Intc
quick input of multiple integrals from -infinity to infinity

Physics/Inverse
compute the inverse of an object with respect to noncommutative products

Physics/LieBracket
Compute the Lie bracket of two vector fields using algebraic tensor notation