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单词 Nullity
释义

nullity


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 thenumber of linearly independentMathworldPlanetmath solutions to the equation

T(v)=0,vV.

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

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更新时间:2025/5/4 11:22:03