Composition Rules for Matrices

Conditions for Diagonalizability

Criterion for Invertibility using Upper Triangular

Criterion for Upper Triangular Matrix

Eigenvalues are Diagonal Elements of Upper Triangular

Enough Diagonal Elements Imply Diagonalizability

Existence of Upper Triangular Matrices on Complex Spaces

Inverse Property of Matrix of Linear Map

Linear Maps are Isomorphic to their Matrices

Linearity Properties of Matrices

Norm-Preserving Matrix

Orthogonal Matrices have Determinant 1