#ifndef REGRESSION_EXPONENTIAL_MODEL_H #define REGRESSION_EXPONENTIAL_MODEL_H #include "model.h" #include namespace Regression { class ExponentialModel : public Model { public: using Model::Model; Poincare::ExpressionLayout * layout() override; I18n::Message formulaMessage() const override { return I18n::Message::ExponentialRegressionFormula; } double evaluate(double * modelCoefficients, double x) const override; double levelSet(double * modelCoefficients, double xMin, double step, double xMax, double y, Poincare::Context * context) override; double partialDerivate(double * modelCoefficients, int derivateCoefficientIndex, double x) const override; int numberOfCoefficients() const override { return 2; } int bannerLinesCount() const override { return 2; } }; } #endif