LINEAR INTERPOLATION OPERATOR

Interpolation often utilizes polynomials to approximate a value at a point that we want to know. Besides the polynomial, there are family of other functions that can be used to solve the problem of interpolation. Chebyshev system is a set of functions which linearly independent. In addition, a li...

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Bibliographic Details
Main Author: Imulia Dian Primaskun, Devi
Format: Final Project
Language:Indonesia
Online Access:https://digilib.itb.ac.id/gdl/view/44301
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Institution: Institut Teknologi Bandung
Language: Indonesia
Description
Summary:Interpolation often utilizes polynomials to approximate a value at a point that we want to know. Besides the polynomial, there are family of other functions that can be used to solve the problem of interpolation. Chebyshev system is a set of functions which linearly independent. In addition, a linear interpolation operator is also defined so that this operator can be viewed as a mapping. Consequently a Lebesgue function can be defined from that operator. This final project will discuss some examples of Chebyshev systems that can be used to solve interpolation problems. The Chebyshev system comes from family of polynomial, cosine, exponential and hyperbolic function. Furthermore, in this final project also discussed the relationship of an interpolation operator with Lebesgue function.