ImageTransformation[image, function] gives an image in which each pixel at position {x, y} corresponds to the position function[{x, y}] in image.ImageTransformation[image, ...
ImageTrim[image , {{x_1, y_1}, {x_2, y_2}, ...}] gives the subimage of image spanned by the specified points.ImageTrim[image, {{x_1, y_1}, {x_2, y_2}, ...}, r] adds a margin ...
Im
(Built-in Mathematica Symbol) Im[z] gives the imaginary part of the complex number z.
ImportAutoReplacements is an option for cells that specifies which replacement rules Mathematica automatically applies when importing text.
I
(Built-in Mathematica Symbol) I represents the imaginary unit Sqrt[-1].
IncidenceGraph[m] gives the graph with incidence matrix m.
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 ...
IncludeFileExtension is an option for notebooks that specifies whether the suffix ".nb" is automatically appended to a notebook's name when it is first saved.
IncludePods is an option for WolframAlpha that determines specific pod IDs to include in the results.
IndependentEdgeSetQ[g, elist] yields True if the edge list elist is an independent edge set of the graph g, and False otherwise.