GetEdgeLabels (Combinatorica Package Symbol)

GetEdgeLabels[g] returns the list of labels of the edges of g. GetEdgeLabels[g, e] returns the list of labels in graph g of the edges in e.

GetEdgeWeights (Combinatorica Package Symbol)

GetEdgeWeights[g] returns the list of weights of the edges of g. GetEdgeWeights[g, e] returns the list of weights in graph g of the edges in e.

Variant Letters (Mathematica Guide)

In catering to the fine points of mathematical typesetting and notational clarity, Mathematica provides a variety of special variant forms of letters.

Identity (Built-in Mathematica Symbol)

Identity[expr] gives expr (the identity operation).

Last (Built-in Mathematica Symbol)

Last[expr] gives the last element in expr.

Exact Linear Second-Order Equations (Mathematica Tutorial)

A linear second-order ordinary differential equation is said to be exact if An exact linear second-order ODE is solved by reduction to a linear first-order ODE.

References (Mathematica Tutorial)

[AB04] Abell, M. L. and J. P. Braselton. Differential Equations with Mathematica. (3rd ed.) Elsevier Academic Press, 2004. [A89] Abramov, S. A. "Rational Solutions of Linear ...

Is the Problem Well-Posed? (Mathematica Tutorial)

DSolve returns a general solution for a problem if no initial or boundary conditions are specified. The general solution to this equation is returned. However, if initial or ...

AppendTo (Built-in Mathematica Symbol)

AppendTo[s, elem] appends elem to the value of s, and resets s to the result.

InverseFourierSinTransform (Built-in Mathematica Symbol)

InverseFourierSinTransform[expr, \[Omega], t] gives the symbolic inverse Fourier sine transform of expr. InverseFourierSinTransform[expr, {\[Omega]_1, \[Omega]_2, \ ...}, ...