20-numcxx-matplotlib.cxx File Reference

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Functions
int	main (void)

Function Documentation

int main

(

void

)

Definition at line 9 of file 20-numcxx-matplotlib.cxx.

{
  const double x0=0.0;
  const double x1=1.0;
  double h=0.01;
  double t0=0.0;
  double t1=10.0;
  double dt=0.01;

  const int N=1+ceil((x1-x0)/h);
  h=(x1-x0)/(double)(N-1);

  numcxx::DArray1 X(N);
  numcxx::DArray1 U(N);

  X(0)=x0;
  for (int i=1;i<N;i++)
  {
    X(i)=X(i-1)+h;
  }
  
  for (int i=0; i<N; i++)
  {
    U(i)=sin(20.0*X(i));
  }
  numcxx::savetxt("20-plot-X.dat",X);
  numcxx::savetxt("20-plot-U.dat",U);
  
}

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