IncludeConstantBasis (Built-in Mathematica Symbol)

IncludeConstantBasis is an option for LinearModelFit and other fitting functions that specifies whether a constant term should be included if not explicitly given in the list ...

Protect (Built-in Mathematica Symbol)

Protect[s_1, s_2, ...] sets the attribute Protected for the symbols s_i. Protect["form_1", "form_2", ...] protects all symbols whose names match any of the string patterns ...

QGamma (Built-in Mathematica Symbol)

QGamma[z, q] gives the q-gamma function \[CapitalGamma]_q (z).

TimeUsed (Built-in Mathematica Symbol)

TimeUsed[] gives the total number of seconds of CPU time used so far in the current Mathematica session.

Defining Numerical Values (Mathematica Tutorial)

If you make a definition such as f[x_]:=value, Mathematica will use the value you give for any f function it encounters. In some cases, however, you may want to define a ...

Separable Equations (Mathematica Tutorial)

The general solution to this equation is found by separation of variables. Even when variables can be separated, the final solution might be accompanied by a warning message ...

Picking Out Pieces of Algebraic ... (Mathematica Tutorial)

Functions to pick out pieces of polynomials. Here is an algebraic expression. This gives the coefficient of x in e.

DifferentialRootReduce (Built-in Mathematica Symbol)

DifferentialRootReduce[expr, x] attempts to reduce expr to a single DifferentialRoot object as a function of x.DifferentialRootReduce[expr, {x, x_0}] takes the initial ...

Compute a Power Series (Mathematica How To)

Calculus lets you approximate complicated functions with power series. Mathematica lets you generate and work with power series for a huge range of functions.

ThreeJSymbol (Built-in Mathematica Symbol)

ThreeJSymbol[{j_1, m_1}, {j_2, m_2}, {j_3, m_3}] gives the values of the Wigner 3-j symbol.