MatrixRank[m] gives the rank of the matrix m.
Module
(Built-in Mathematica Symbol) Module[{x, y, ...}, expr] specifies that occurrences of the symbols x, y, ... in expr should be treated as local. Module[{x = x_0, ...}, expr] defines initial values for x, ...
MorphologicalTransform[image, f] applies the function f to the 3*3 neighborhood of each pixel in a binary image image.MorphologicalTransform[image, rule] applies a ...
Or
(Built-in Mathematica Symbol) e_1 || e_2 || ... is the logical OR function. It evaluates its arguments in order, giving True immediately if any of them are True, and False if they are all False.
Spacings is an option to Grid and related constructs that specifies the spacings to leave between successive objects.
Mathematica has many powerful features which enable you to solve many kinds of equations.
AiryBiPrime[z] gives the derivative of the Airy function Bi^\[Prime] (z).
ExpIntegralEi[z] gives the exponential integral function Ei(z).
FresnelC[z] gives the Fresnel integral C(z).
FresnelS[z] gives the Fresnel integral S(z).