from MATLAB Primer, seventh edition, by Timothy Davis and Kermit Sigmon, Chapman & Hall, 2005.

• Constructing matrices
  • eye --- identity
  • zeros--- matrix of zeros
  • ones --- matrix of ones
  • diag --- create or extract diagonal
  • triu --- upper triangular part
  • tril --- lower triangular part
  • rand --- randomly generated matrix (uniform distr.)
  • hilb --- Hilbert matrix
  • magic --- magic square
  • toeplitz --- Toeplitz matrix
  • gallery --- wide range of interesting matrices
• scalar functions
  • abs ceil floor rem sqrt
  • acos cos log round tan
  • asin exp log10 sign
  • atan fix mod sin
• vector functions
  • max sum median any sort
  • min prod mean all std
• matrix functions
  • eig --- eigenvalues and eigenvectors
  • eigs --- eigenvalues and eigenvectors for sparse case
  • chol --- Cholesky factorization
  • svd --- singular value decomposition
  • svds --- singular value decomposition for sparse case
  • inv lu qr hess schur rref expm sqrtm poly det size length
  • norm normest cond condest rank kron find linsolve