Topic: Elementary Matrices and Inverses

Reversing a Sequence of Row Operations

Recognizing Noninvertibility During Row Reduction

Proving the Pivot Criteria for Invertibility

Left Multiplication as a Row Operation

Inverting Block-Diagonal Matrices

Inverses of Scalar and Diagonal Matrices

Invertible Matrices and Two-Sided Inverses

Inverses of Elementary Matrices

Inverse Computation and Proof Workshop

Homogeneous Systems and Unique Solutions