NHoldRest (Built-in Mathematica Symbol)

NHoldRest is an attribute which specifies that all but the first argument to a function should not be affected by N.

Cosh (Built-in Mathematica Symbol)

Cosh[z] gives the hyperbolic cosine of z.

Equal (Built-in Mathematica Symbol)

lhs == rhs returns True if lhs and rhs are identical.

Sech (Built-in Mathematica Symbol)

Sech[z] gives the hyperbolic secant of z.

Sinh (Built-in Mathematica Symbol)

Sinh[z] gives the hyperbolic sine of z.

ArrayQ (Built-in Mathematica Symbol)

ArrayQ[expr] gives True if expr is a full array or a SparseArray object, and gives False otherwise. ArrayQ[expr, patt] requires expr to be a full array with a depth that ...

Advanced Matrix Operations (Mathematica Tutorial)

Finding singular values and norms of matrices. The singular values of a matrix m are the square roots of the eigenvalues of m.m^*, where * denotes Hermitian transpose. The ...

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 ...

Generic and Non-Generic Solutions (Mathematica Tutorial)

If you have an equation like 2x==0, it is perfectly clear that the only possible solution is x->0. However, if you have an equation like ax==0, things are not so clear. If a ...

Csc (Built-in Mathematica Symbol)

Csc[z] gives the cosecant of z.