Contents • Vector spaces • Subspaces • Linear independence and span • Bases and dimension • Isomorphism and coordinate representation • Inner product and norm • Angles and orthogonality • Gram-Schmidt orthogonalisation process • Ohogonal projection and best approximation • Linear transrmations • Matrix representation of linear transrmations • Change of basis and similarity • Matrices as linear transrmations • Eigenvalues and eigenvectors • The characteristic polynomial • Matrix diagonalisation • Matrix exponential function A short summary of linear algebra and matrix theory Dr I M Jaimoukha