Package org.apache.commons.math3.analysis.polynomials

Examples of org.apache.commons.math3.analysis.polynomials.PolynomialFunction.degree()

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        PolynomialFunction poly =
                new PolynomialFunction(new double[] { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 });
        for (double x = 0.1; x < 1.2; x += 0.001) {
            SparseGradient sgX = SparseGradient.createVariable(0, x);
            SparseGradient sgY1 = sgX.getField().getZero();
            for (int i = poly.degree(); i >= 0; --i) {
                sgY1 = sgY1.multiply(sgX).add(poly.getCoefficients()[i]);
            }
            SparseGradient sgY2 = sgX.compose(poly.value(x), poly.derivative().value(x));
            SparseGradient zero = sgY1.subtract(sgY2);
            checkF0F1(zero, 0.0, 0.0);
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                p[i] = p[i - 1].polynomialDerivative();
            }
            for (double x = 0.1; x < 1.2; x += 0.001) {
                DerivativeStructure dsX = new DerivativeStructure(1, maxOrder, 0, x);
                DerivativeStructure dsY1 = dsX.getField().getZero();
                for (int i = poly.degree(); i >= 0; --i) {
                    dsY1 = dsY1.multiply(dsX).add(poly.getCoefficients()[i]);
                }
                double[] f = new double[maxOrder + 1];
                for (int i = 0; i < f.length; ++i) {
                    f[i] = p[i].value(x);
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                p[i] = p[i - 1].polynomialDerivative();
            }
            for (double x = 0.1; x < 1.2; x += 0.001) {
                DerivativeStructure dsX = new DerivativeStructure(1, maxOrder, 0, x);
                DerivativeStructure dsY1 = dsX.getField().getZero();
                for (int i = poly.degree(); i >= 0; --i) {
                    dsY1 = dsY1.multiply(dsX).add(poly.getCoefficients()[i]);
                }
                double[] f = new double[maxOrder + 1];
                for (int i = 0; i < f.length; ++i) {
                    f[i] = p[i].value(x);
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                p[i] = p[i - 1].polynomialDerivative();
            }
            for (double x = 0.1; x < 1.2; x += 0.001) {
                DerivativeStructure dsX = new DerivativeStructure(1, maxOrder, 0, x);
                DerivativeStructure dsY1 = dsX.getField().getZero();
                for (int i = poly.degree(); i >= 0; --i) {
                    dsY1 = dsY1.multiply(dsX).add(poly.getCoefficients()[i]);
                }
                double[] f = new double[maxOrder + 1];
                for (int i = 0; i < f.length; ++i) {
                    f[i] = p[i].value(x);
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