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25 lines
716 B
C++
25 lines
716 B
C++
#ifndef REGRESSION_QUADRATIC_MODEL_H
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#define REGRESSION_QUADRATIC_MODEL_H
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#include "model.h"
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namespace Regression {
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class QuadraticModel : public Model {
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public:
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using Model::Model;
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Poincare::Layout layout() override;
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I18n::Message formulaMessage() const override { return I18n::Message::QuadraticRegressionFormula; }
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double evaluate(double * modelCoefficients, double x) const override;
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double partialDerivate(double * modelCoefficients, int derivateCoefficientIndex, double x) const override;
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int numberOfCoefficients() const override { return 3; }
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int bannerLinesCount() const override { return 3; }
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private:
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Poincare::Expression expression(double * modelCoefficients) override;
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};
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}
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#endif
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