The nullityMathworldPlanetmath of a linear mapping is the dimensionPlanetmathPlanetmath of the mapping’s kernel. For a linear mapping T:VW, the nullity of T gives the number of linearly independentMathworldPlanetmath solutions to the equation


The nullity is zero if and only if the linear mapping in question is injective.

Title nullity
Canonical name Nullity
Date of creation 2013-03-22 12:24:06
Last modified on 2013-03-22 12:24:06
Owner rmilson (146)
Last modified by rmilson (146)
Numerical id 6
Author rmilson (146)
Entry type Definition
Classification msc 15A03
Related topic RankLinearMapping
Related topic RankNullityTheorem