64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
#include "DifferenceOperator.h"
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#include "CREATE.h"
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#include "SingularMatrixError.h"
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#include "LDUFullMatParPv.h"
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void MbD::DifferenceOperator::calcOperatorMatrix()
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{
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//Compute operatorMatrix such that
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//value(time) : = (operatorMatrix at : 1) timesColumn : series.
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//valuedot(time) : = (operatorMatrix at : 2) timesColumn : series.
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//valueddot(time) : = (operatorMatrix at : 3) timesColumn : series.
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this->formTaylorMatrix();
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try {
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assert(false);
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//operatorMatrix = CREATE<LDUFullMatParPv>::With()->inversesaveOriginal(taylorMatrix, false);
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}
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catch (SingularMatrixError ex) {
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}
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}
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void MbD::DifferenceOperator::initialize()
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{
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//OneOverFactorials: = StMFullRow new : 10.
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//1 to : OneOverFactorials size do : [:i | OneOverFactorials at : i put : 1.0d / i factorial]
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}
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void MbD::DifferenceOperator::setiStep(int i)
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{
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iStep = i;
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}
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void MbD::DifferenceOperator::setorder(int o)
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{
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order = o;
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}
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void MbD::DifferenceOperator::instanciateTaylorMatrix()
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{
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if (taylorMatrix->empty() || (taylorMatrix->nrow() != (order + 1))) {
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taylorMatrix = std::make_shared<FullMatrix<double>>(order + 1, order + 1);
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}
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}
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void MbD::DifferenceOperator::formTaylorRowwithTimeNodederivative(int i, int ii, int k)
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{
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//| rowi hi hipower aij |
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auto rowi = taylorMatrix->at(i);
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for (int j = 0; j < k; j++)
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{
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rowi->at(j) = 0.0;
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}
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rowi->at(k) = 1.0;
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auto hi = timeNodes->at(ii) - time;
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auto hipower = 1.0;
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for (int j = k + 1; j < order + 1; j++)
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{
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hipower = hipower * hi;
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assert(false);
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//aij = hipower * (OneOverFactorials at : j - k - 1);
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//rowi at : j put : aij
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}
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}
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