(object-oriented programming) Design principle that states that (1) High- and low-level modules should both depend on abstractions and (2) instead of abstractions depending upon details, details should depend upon abstractions.

(computing, dated) A display technique whereby background and foreground colours are interchanged, typically used for highlighting.

(mathematics) The inverse with respect to addition; the opposite.

plural of inverse function

The set of points that map to a given point (or set of points) under a specified function.

plural of inverse image

plural of left inverse

plural of inverse matrix

(mathematics) A related function that, given the output of the original function returns the input that produced that output.

(linear algebra) Of a matrix A, another matrix B such that A multiplied by B and B multiplied by A both equal the identity matrix.