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change dx to 1/n-1

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Max Luebke 2021-12-02 10:51:47 +01:00
parent 971f8212af
commit 3562f30efa
1 changed files with 1 additions and 1 deletions
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src/BTCSDiffusion.cpp
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@ -50,7 +50,7 @@ void BTCSDiffusion::setBoundaryCondition(std::vector<double> input,
void BTCSDiffusion::simulate(std::vector<double> &c, std::vector<double> &alpha, void BTCSDiffusion::simulate(std::vector<double> &c, std::vector<double> &alpha,
double timestep) { double timestep) {
// calculate dx // calculate dx
double dx = 1. / this->dim_x; double dx = 1. / (this->dim_x - 1);
// calculate size needed for A matrix and b,x vectors // calculate size needed for A matrix and b,x vectors
int size = this->dim_x + 2; int size = this->dim_x + 2;