Take a Derivative (Mathematica How To)

Mathematica makes it easy to take even the most complicated derivatives involving any of its huge range of differentiable special functions.

BitLength (Built-in Mathematica Symbol)

BitLength[n] gives the number of binary bits necessary to represent the integer n.

Covariance (Built-in Mathematica Symbol)

Covariance[v_1, v_2] gives the covariance between the vectors v_1 and v_2.Covariance[m] gives the covariance matrix for the matrix m.Covariance[m_1, m_2] gives the covariance ...

Assumptions (Built-in Mathematica Symbol)

Assumptions is an option for functions such as Simplify, Refine, and Integrate that specifies default assumptions to be made about symbolic quantities.

BoundaryStyle (Built-in Mathematica Symbol)

BoundaryStyle is an option for plotting functions that specifies the style in which boundaries of regions should be drawn.

Color Processing (Mathematica Guide)

Mathematica provides convenient functions and algorithms for manipulating colors in images, with full generality for arbitrary numbers of color channels.

Do Constrained Nonlinear Optimization (Mathematica How To)

An important subset of optimization problems is constrained nonlinear optimization, where the function is not linear and the parameter values are constrained to certain ...

ParallelArray (Built-in Mathematica Symbol)

ParallelArray[f, n] generates in parallel a list of length n, with elements f[i], evaluated.ParallelArray[f, {n_1, n_2, ...}] generates in parallel an n_1*n_2*... array of ...

NumberFieldNormRepresentatives (Built-in Mathematica Symbol)

NumberFieldNormRepresentatives[a, m] gives a list of representatives of classes of algebraic integers of norm \[PlusMinus]m in the field \[DoubleStruckCapitalQ][a] generated ...

Degree (Built-in Mathematica Symbol)

Degree gives the number of radians in one degree. It has a numerical value of \[Pi]/180.