Invertible

• (a.) Incapable of being turned or changed. • (a.) Capable of being changed or converted; as, invertible sugar. • (a.) Capable of being inverted or turned.
Found on http://thinkexist.com/dictionary/meaning/invertible/

invertible

adjective having an additive or multiplicative inverse
Found on http://wordnetweb.princeton.edu/perl/webwn?s=invertible

Invertible

In·vert'i·ble adjective [ From Invert .] 1. Capable of being inverted or turned. 2. (Chemistry) Capable of being changed or converted; as, invertible sugar.
Found on http://www.encyclo.co.uk/webster/I/92

Invertible

A function is invertible (with a unique inverse) if the output uniquely determines the input (i.e., it is one-to-one) and the set of legal outputs is equal to the set of legal inputs. The function x^2 is not strictly invertible, while x^3 has an inverse. For operations the definition is slightly looser. While integration and differentiation are con...
Found on http://www.encyclo.co.uk/local/20090

Invertible

Said of a matrix if its inverse exists. That is, a matrix A is invertible if there exists another matrix B such that BA=I, where I is the identity matrix.
Found on http://www-personal.umich.edu/~alandear/glossary/i.html
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