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//---------------------------------------------------------------------------
#include <iostream>
#include <cstdlib>
#include <cmath>
using namespace std;
//---------------------------------------------------------------------------
typedef double(*TY)(double);
typedef double(*TSum)(double,int);
typedef double(*TMod)(TY,TSum, double,int);
double Y(double);
double Sum(double,int);
double Mod(TY,TSum, double,int);
void Out_Rez1(TY,double,double,double);
void Out_Rez2(TSum,double,double,double,int);
void Out_Rez3(TMod,double,double,double,int);
int main()
{
double a,b,h,x;
int n;
cout<<"Input a = ";
cin>>a;
cout<<"Input b = ";
cin>>b;
cout<<"Input h = ";
cin>>h;
cout<<"Input n = ";
cin>>n;
cout<<endl;
cout<<"Function - Y(x): "<<endl;
Out_Rez1(Y,a,b,h);
cout<<"Function - Sum: "<<endl;
Out_Rez2(Sum,a,b,h,n);
cout<< "Function - |Y(x)-Sum(x)|: "<<endl;
Out_Rez3(Mod,a,b,h,n);
system ("pause");
}
double Y(double x)
{
double Y;
Y=pow(exp(x),2*x);
return Y;
}
double Sum(double x, int n)
{
int k;
double r,Sum;
r=Sum=x;
for (k=1; k<=n; ++k)
{
r=2*r*x/k;
Sum+=r;
}
return Sum;
}
double Mod(TY Y,TSum Sum, double x, int n)
{
return fabs(Y(x) - Sum(x,n));
}
void Out_Rez1(TY Y, double a, double b, double h)
{
for(double x=a; x<=b; x+=h)
{
cout<<"x="<<x<<" ";
cout<<"Y="<<Y<<" "<<endl;
cout<<endl;
}
}
void Out_Rez2(TSum Sum, double a, double b, double h, int n)
{
for(double x=a; x<=b; x+=h)
cout<<"Sum = "<<x<<Sum(x,n)<<" "<<endl;
cout<<endl;
}
void Out_Rez3(TMod Mod, double a, double b, double h,int n)
{
for(double x=a; x<=b; x+=h)
cout<<"Mod = "<<x<<Mod(Y,Sum,x,n)<<" "<<endl;
cout<<endl;
}
//---------------------------------------------------------------------------
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