package integral1;

public abstract class Trapecio {

    public double integral (double a, double b, int n){
        double h=(b-a)/n;
        double suma=(f(a)+f(b))/2;
        for(int i=1; i<n; i++){
            suma+=f(a+i*h);
        }
        return suma*h;
    }
    abstract public double f(double x);
}