quadratic spline
Vector Mode Analysis of Optical Waveguides by Quadratic Spline Collocation Method
... a quadratic spline collocation method (QSCM), which uses a set of localized piecewise quadratic polynomials to approximate the exact mode ...techniques. Spline collocation method is considered ...
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Local Behavor Of The Discrete Quadratic Spline Interpolator
... cubic spline interpolant matching the given function values at mesh point have been studied by 8 ...cubic spline interpolant matching the given function at two intermediate points between the successive ...
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Quadratic spline solution of Calculus of Variation Problems
... term spline in the spline function arises from the prefabricated wood or plastic curve board, which is called spline and is used by a draftman to plot smooth curves through connecting the known ...
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Volume 22 - Article 10 | Pages 211–236
... Others are the Brass procedures (Brass 1974, 1979); the Gompertz curve (Wunsch 1966; Murphy and Nagnur 1972; Fraid 1973); the polynomial models (Brass 1960); and the quadratic spline function by Schmertmann ...
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Modeling the Percentage of Poor People in Indonesia Using Spline Nonparametric Regression Approach
... linear spline nonparametric regression models of the knots, two knots linear spline, quadratic spline, cubic spline using one and two knots ([3], [5]), which respectively are given in ...
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A spline collocation method for integrating a class of chemical reactor equations
... a quadratic spline collocation approach is prosed in the context to be used for reducing a nonlinear PDEs plug flow reactors models for numerical simulation and/or control ...a quadratic ...
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Relationship Pattern of Poverty and Unemployement in Indonesia with Bayesian Spline Approach
... used spline nonparametric regression model. Spline estimator in nonparametric regression can be obtained by Bayessian approach by using prior Gaussian improper and in order to choose the optimal smoothing ...
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A New Technique for Image Zooming Based on the Moving Least Squares
... Suppose that we have an image of size 50×50 pixels and want to enlarge it 3.94 times to 197×197 pixels. Conceptually, one of the easiest ways to visualize zooming is laying an imaginary 197×197 grid over the original ...
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Automatic, computer aided geometric design of free-knot, regression splines
... ing spline fit involves many ...finding spline fits with as few knots as possible, and with optimal knot ...GeD quadratic spline fit is lower than that for the optimal cubic fit, found by Jupp ...
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COMPARISON OF INTEGRO QUADRATIC AND QUARTIC SPLINE INTERPOLATION
... integro quadratic spline interpolation and p(x) is integro quartic spline interpolation for ...integro quadratic and quartic interpolation at the knots is defined as ...
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Volume 9 - Article 5 | Pages 81–110
... piecewise quadratic spline function. There is a small literature on spline functions as fertility ...quartic spline to model a continuous schedule f(x) that exactly matched a published set of ...
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Glucose Calibration Modeling in Blood with Spline Regression Approaching to Non-Invasive Tools
... using spline regression can determine the best ...linear Spline will be obtained a model with the smallest GCV, the largest R-square, and the smallest ...the quadratic spline model, and the ...
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Spline Interpolation Techniques
... Linear spline models are criticized because of the abrupt change in trend going from one segment to the next, which does not represent what would naturally ...for quadratic splines that are joined segments ...
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Discrete quadratic splines
... periodic quadratic spline sx,h in D2,P,h satisfying the interpolatory condition.. In this section, we shall estimate the error function ex the spllne interpolant of Theorem 2.1.[r] ...
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GC1 - Quadratic Trigonometric Spline Preserving the Shape of Monotonic Data
... in spline curve ...using quadratic spline ...cubic spline for the shape preserving ...trigonometric spline with four shape parameter to visualize the positivity of positive curve and ...
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B spline surfaces on circle and fan shaped domain
... Rotated a B-spline curve we can get rotating B-spline basis functions and the definition of B-spline surfaces on cylindrical coordinate system, gives the nature of B-spline basis functions and ...
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Adaptive refinement of hierarchical T-splines
... As final example we consider a Poisson problem, which solves for the temperature u on an L-shaped domain, Fig- ure 22(a). The definition of the L-shaped domain and the analytical solution of the problem can be found in ...
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Solving a nonlinear inverse system of Burgers equations
... • Numerical results show that our approximations of unknown functions using some the B-spline func- tions in collocation method are more accurate than the numerical results of the radial basis function method, ...
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THE SOLUTION OF FREE-FORM DEFORMATION PROBLEM USING PSEUDOINVERSE
... The theory of piecewise polynomial B-spline functions and following B-spline curves and surfaces is well known and precisely described in the literature, e.g. [23], [26]. The main idea is based on the ...
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Solution and interpolation of one-dimensional heat equation by using cran-nicolson, Cubic Spline and Cubic B-Spline
... Heat equation is part of partial differential equations where it supposes to be linear or non-linear form. It is an important PDE which describe the distribution of heat or variation in temperature in a given region over ...
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