
																
																	On condition numbers of a basis
																
																
																
															Keywords: 15A; 15A12; 15A15; 65A35; Condition number; Optimal scaling; Orthogonality in a Banach space; Gram matrix; Cholesky decomposition; Implicit function theorem; Bernstein polynomials; Lagrange and Legendre polynomials; Power basis; Hat functions; Pyramid fun