Best Approximation in Inner Product Spaces

摘要: Inner Product Spaces.- Best Approximation.- Existence and Uniqueness of Approximations.- Characterization The Metric Projection.- Bounded Linear Functionals Approximation from Hyperplanes Half-spaces.- Error Generalized Solutions Equations.- Method Alternating Projections.- Constrained Interpolation a Convex Set.- Convexity Chebyshev Sets.