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Section 43.2 Terminology and notation

kernel (of a linear transformation \funcdef{T}{V}{W})

the collection of all vectors \uvec{v} in the domain space V for which T(\uvec{v}) = \zerovec_W

\ker T

notation for the kernel of a transformation T

nullity (of a linear transformation)

the dimension of the kernel

image (of a linear transformation \funcdef{T}{V}{W})

the collection of all image vectors T(\uvec{v}) in the codomain space W\text{,} as \uvec{v} varies over all vectors in the domain space V

range (of a linear transformation \funcdef{T}{V}{W})

synonym for image

\im T

notation for the image of a transformation T

R(T)

alternative notation for the image of a transformation T

T(V)

alternative notation for the image of a transformation \funcdef{T}{V}{W}

rank (of a linear transformation)

the dimension of the image