Sastry, S. S. Introductory Methods of Numerical Analysis / by S. S. Sastry - 5th ed. - Delhi: PHI Learning, 2019. - xiv, 450p. ISBN: 9788120345928 Subjects--Topical Terms: InterpolationMathmaticsNumerical CalculationsSpline Functions Dewey Class. No.: 518.6 / SAS/I