Solving Linear Systems: Gaussian Elimination
http://www.maa.org/taxonomy/term/42310/0
enGaussian Elimination in Integer Arithmetic: An Application of the \(L\)-\(U\) Factorization
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/gaussian-elimination-in-integer-arithmetic-an-application-of-the-l-u-factorization
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>Using L-U factorization, the author generates examples of matrices for which Gaussian elimination process can be done in integer arithmetic, including examples of matrices that are invertible over the integers.</em></p>
</div></div></div>Using Consistency Conditions to Solve Linear Systems
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/using-consistency-conditions-to-solve-linear-systems
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>This article provides a method for solving general linear systems via row reduction on special augmented matrices. This approach can avoid back substitution, but requires bigger matrices.</em></p>
</div></div></div>The Reduced Row Echelon Form of a Matrix Is Unique: A Simple Proof
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/the-reduced-row-echelon-form-of-a-matrix-is-unique-a-simple-proof
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>Using mathematical induction, the author provides a simple proof that the reduced row echelon form of a matrix is unique.</em></p>
</div></div></div>Gauss-Jordan Reduction: A Brief History
http://www.maa.org/programs/faculty-and-departments/course-communities/gauss-jordan-reduction-a-brief-history
Gaussian Elimination
http://www.maa.org/programs/faculty-and-departments/course-communities/gaussian-elimination
Linear Algebra Demos, Drexel Univ
http://www.maa.org/programs/faculty-and-departments/course-communities/linear-algebra-demos-drexel-univ
Conceptual Linear Algebra Online
http://www.maa.org/programs/faculty-and-departments/course-communities/conceptual-linear-algebra-online
Collection of animations for matrix and vector operations
http://www.maa.org/programs/faculty-and-departments/course-communities/collection-of-animations-for-matrix-and-vector-operations
Finite Mathematics 6ed
http://www.maa.org/programs/faculty-and-departments/course-communities/finite-mathematics-6ed
Planes, Solutions, and Gaussian Elimination
http://www.maa.org/programs/faculty-and-departments/course-communities/planes-solutions-and-gaussian-elimination
Linear Equations: Row and Column View
http://www.maa.org/programs/faculty-and-departments/course-communities/linear-equations-row-and-column-view
Pivot & Gauss-Jordan Tool
http://www.maa.org/programs/faculty-and-departments/course-communities/pivot-gauss-jordan-tool
Row Reducer
http://www.maa.org/programs/faculty-and-departments/course-communities/row-reducer
Pivot and Gauss-Jordan Tool
http://www.maa.org/programs/faculty-and-departments/course-communities/pivot-and-gauss-jordan-tool
Matrix Calculator
http://www.maa.org/programs/faculty-and-departments/course-communities/matrix-calculator