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Grundlehren Der Mathematischen Wissenschaften #27: A Practical Guide to Splinesby Carl De Boor
Synopses & Reviews
This book is based on the author's experience with calculations involving polynomial splines. It presents those parts of the theory which are especially useful in calculations and stresses the representation of splines as linear combinations of B-splines. After two chapters summarizing polynomial approximation, a rigorous discussion of elementary spline theory is given involving linear, cubic and parabolic splines. The computational handling of piecewise polynomial functions (of one variable) of arbitrary order is the subject of chapters VII and VIII, while chapters IX, X, and XI are devoted to B-splines. The distances from splines with fixed and with variable knots is discussed in chapter XII. The remaining five chapters concern specific approximation methods, interpolation, smoothing and least-squares approximation, the solution of an ordinary differential equation by collocation, curve fitting, and surface fitting. The present text version differs from the original in several respects. The book is now typeset (in plain TeX), the Fortran programs now make use of Fortran 77 features. The figures have been redrawn with the aid of Matlab, various errors have been corrected, and many more formal statements have been provided with proofs. Further, all formal statements and equations have been numbered by the same numbering system, to make it easier to find any particular item. A major change has occured in Chapters IX-XI where the B-spline theory is now developed directly from the recurrence relations without recourse to divided differences. This has brought in knot insertion as a powerful tool for providing simple proofs concerning the shape-preserving properties of the B-spline series.
This book is based on the author's experience with calculations involving polynomial splines, presenting those parts of the theory especially useful in calculations and stressing the representation of splines as weighted sums of B-splines. The B-spline theory is developed directly from the recurrence relations without recourse to divided differences. This reprint includes redrawn figures, and most formal statements are accompanied by proofs.
Includes bibliographical references (p. 331-339) and index.
Table of Contents
Preface * Notation * Table of Contents * I Polynomial Interpolation * II Limitations of Polynomial Approximation * III Piecewise Linear Approximation * IV Piecewise Cubic Interpolation; CUBSPL * V Best Approximation Properties of Complete Cubic Spline Interpolation and its Error * VI Parabolic Spline Interpolation * VII A Representation for Piecewise Polynomial Functions; PPVALU, INTERV * VIII The Spaces PkE,v and the Truncated Power Basis * IX The Representation of PP Functions by B-splines * X The Stable Evaluation of B-splines and Splines; BSPLVB, BVALUE, BSPLPP * XI The B-Spline Series * XII Local Spline Approximation Methods and the Distance from Splines; NEWNOT * XIII Spline Interpolation; SPLINT, SPLOPT * XIV Smoothing and Least-Square Approximation; SMOOTH, L2APPR * XV The Numerical Solution of an Ordinary Differential Equation by Collocation; BSPLVD, COLLOC * Taut Splines, Periodic Splines, Cardinal Splines and the Approximation of Curves; TAUTSP * XVII Surface Approximation by Tensor Products * Postscript on Things not Covered * Appendix. Listing of SOLVEBLOK Package * List of Fortran Programs * Bibliography * Subject Index
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