Examples of org.apache.commons.math.analysis.polynomials.PolynomialFunctionNewtonForm

Package org.apache.commons.math.analysis.polynomials

Examples of org.apache.commons.math.analysis.polynomials.PolynomialFunctionNewtonForm

org.apache.commons.math.analysis.polynomials.PolynomialFunctionNewtonForm
Implements the representation of a real polynomial function in Newton Form. For reference, see Elementary Numerical Analysis, ISBN 0070124477, chapter 2.
The formula of polynomial in Newton form is p(x) = a[0] + a[1](x-c[0]) + a[2](x-c[0])(x-c[1]) + ... + a[n](x-c[0])(x-c[1])...(x-c[n-1]) Note that the length of a[] is one more than the length of c[]
@version $Revision: 1073498 $ $Date: 2011-02-22 21:57:26 +0100 (mar. 22 févr. 2011) $ @since 1.2

         */
        final double[] c = new double[x.length-1];
        System.arraycopy(x, 0, c, 0, c.length);


        final double[] a = computeDividedDifference(x, y);
        return new PolynomialFunctionNewtonForm(a, c);


    }

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        for (int i = 0; i < c.length; i++) {
            c[i] = x[i];
        }
        a = computeDividedDifference(x, y);


        return new PolynomialFunctionNewtonForm(a, c);


    }

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         */
        final double[] c = new double[x.length-1];
        System.arraycopy(x, 0, c, 0, c.length);


        final double[] a = computeDividedDifference(x, y);
        return new PolynomialFunctionNewtonForm(a, c);


    }

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Related Classes of org.apache.commons.math.analysis.polynomials.PolynomialFunctionNewtonForm

org.apache.commons.math.analysis.interpolation.DividedDifferenceInterpolator

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