UnitStep2

Notations

Traditional name

Traditional notation

Mathematica StandardForm notation

Primary definition

Specific values

Specialized values

Values at fixed points

Values at infinities

General characteristics

Domain and analyticity

θ((Subscript[x, 1]),(Subscript[x, 2]),…) is a nonanalytical function; it is a piecewise constant function which is defined for all real (Subscript[x, k]).

Symmetries and periodicities

Permutation symmetry

Periodicity

No periodicity

Sets of discontinuity

The function θ((Subscript[x, 1]),(Subscript[x, 2]),…) has discontinuity at the point (Subscript[x, 1])==(Subscript[x, 2])==…==0.

Transformations

Transformations and argument simplifications

Argument involving basic arithmetic operations

Products, sums, and powers of the direct function

Powers of the direct function

Identities

Functional identities

Complex characteristics

Real part

Imaginary part

Absolute value

Argument

Conjugate value

Differentiation

Low-order differentiation

In a distributional sense.

Integration

Indefinite integration

Involving only one direct function

Involving one direct function and elementary functions

Integral transforms

Fourier exp transforms

Inverse Fourier exp transforms

Fourier cos transforms

Fourier sin transforms

Laplace transforms

Representations through more general functions

Through Meijer G

Classical cases for the direct function itself

Representations through equivalent functions

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