StringLength["string"] gives the number of characters in a string.

ImageDifference[image_1, image_2] gives an image in which each pixel is the absolute difference of the corresponding pixels in image_1 and image_2.

OrderDistribution[{dist, n}, k] represents the k\[Null]^th-order statistics distribution for n observations from the distribution dist.OrderDistribution[{dist, n}, {k_1, k_2, ...

Mathematica has sophisticated built-in automatic numerical precision and accuracy control. But for special-purpose optimization of numerical computations, or for studying ...

Mathematica includes a variety of image segmentation techniques such as clustering, watershed, region growing, and level set as well as a rich set of functions for ...

Nearest[{elem_1, elem_2, ...}, x] gives the list of elem_i to which x is nearest. Nearest[{elem_1 -> v_1, elem_2 -> v_2, ...}, x] gives the v_i corresponding to the elem_i to ...

RecordSeparators is an option for Read, Find, and related functions that specifies the list of strings to be taken as delimiters for records.

StandardDeviationFilter[image, r] filters image by replacing every value by the standard deviations of the values in its range r neighborhood. StandardDeviationFilter[data, ...

VertexInComponent[g, {v_1, v_2, ...}] gives the vertices in the graph g that have a directed path to at least one of v_1, v_2, ....VertexInComponent[g, {v_1, v_2, ...}, k] ...

Mathematica can work with polynomials whose coefficients are in the finite field Z_p of integers modulo a prime p. Functions for manipulating polynomials over finite fields. ...