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#include <iostream>
#include <cmath>
using namespace std;
#define dist 0.001 /* stepsize in t*/
#define MAX 1.0 /* max for t */
int N=1;
void euler(double x, double y[], double step); /* Euler function */
double f(double x, double y[], int i); /* function for derivatives */
int main()
{
double t, y[N];
int j;
y[0]=0; /* initial condition */
for (j=0; j*dist<=MAX ;j++) /* time loop */
{
t=j*dist;
cout<<"j="<<j<<"\t"<<"t="<<t<<"\t"<<"y[t]="<< y[0]<<"\n";
euler(t, y, dist);
}
}
void euler(double x, double y[], double step)
{
double s[N]; /* for euler */
int i;
{
for (i=0;i<N;i++)
{ s[i]=step*f(x, y, i);
}
}
{
for (i=0;i<N;i++)
y[i]+=s[i];
}
}
double f(double x, double y[], int i)
{
return(10*x); /* derivative of first equation */
}
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