32 lines
1.3 KiB
C++
32 lines
1.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2023 Ondsel, Inc. *
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* *
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* This file is part of OndselSolver. *
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* *
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* See LICENSE file for details about copyright. *
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***************************************************************************/
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#pragma once
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#include "FullRow.h"
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#include "LinearMultiStepMethod.h"
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namespace MbD {
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class StableBackwardDifference : public LinearMultiStepMethod
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{
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//
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public:
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FColDsptr derivativepresentpast(int order, FColDsptr y, std::shared_ptr<std::vector<FColDsptr>> ypast) override;
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void instantiateTaylorMatrix();
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void formTaylorRowwithTimeNodederivative(int i, int ii, int k);
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void formTaylorMatrix() override;
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double pvdotpv() override;
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FColDsptr derivativepresentpastpresentDerivativepastDerivative(int n,
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FColDsptr y, std::shared_ptr<std::vector<FColDsptr>> ypast,
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FColDsptr ydot, std::shared_ptr<std::vector<FColDsptr>> ydotpast);
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FColDsptr derivativewith(int deriv, std::shared_ptr<std::vector<FColDsptr>> series);
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};
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}
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