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Matrix $A$ defines a map from $n$-dimensional vector space $V$ to $s$-dimensional $U$ with $ns$. Hence the image of any $n$ independent vectors from $V$ must be dependent in $U$ (by theorem 4). That exactly means $AX=0$ for some $X$. To be more precise, if your basis in $V$ is denoted $e1, dots,en$, then theorem 4 says that vectors $Ae1, dots, Aen in U$ must be dependent since $U$ is $s$-dimensional and $s.

Solution Manual Linear Algebra Hoffman Kunze

Book Description comprehensive treatment of the subject. How it differs from the version: The first part of the book contains more examples concerning linear equations and computations with matrices. In addition, there are more problems of an elementary nature designed to clarify the basic computational aspects of the subject. The material on characteristic values, characteristic vectors, and diagonalization of matrices is reorganized so that the elementary and geometrically intuitive concepts are presented first.

Complete solution for linear algebra

Table Of Contents.Linear Equations. Vector Spaces. Linear Transformations. Determinants. Elementary Canonical Forms. The Rational and Jordan Forms. Inner Product Spaces.

Manual Solution For Linear Algebra Hoffman Kunze

Operators on Inner Product Spaces.Bilinear Forms. Appendices. Bibliography.

Solution For Linear Algebra Kenneth Hoffman

Table of Content.