practica 1

estructuras selectivas

22/05/18

#include <iostream>
#include <math.h>
using namespace std;
int main ();

case 1:
{
double SUMA;
int c, m, n, F;
cin>>m;
SUMA=0;
F=1;
n=1;
while (n<=m)
{
F=Fn;
SUMA=SUMA+((2n-1)/F);
n=n+1;
}
cout<<"LA SUMA ES: "<< SUMA <<endl;
};break;





case 2:




{
double x, SUMA, PI=3.1415;
int m, S;
S=90;
m=180;
SUMA=0;
while (S<=m)
{
x=(S2PI)/360;
SUMA=SUMA+(cosh(x)-sin(x));
S=S+10;
cout<<"LA SUMA ES: "<< SUMA <<endl;
}
};break;



case 3:



{
double SUMA;
int m, n;
n=8;
m=20;
SUMA=0;
while (n<=m)
{
SUMA=SUMA+(2n)+(2n-1);
n=n+1;
cout<<"LA SUMA ES: "<< SUMA <<endl;

} break;

system ("pause");
               return 0;
}

04/06/18

#include<iostream>
#include<math.h>
using namespace std;
int main();

case 1:
       {
           double i,pi=3.14,t,vp,w,c;
           cout<<"voltaje";cin>>vp;
           cout<<" velocidad angular";cin>>w;
           cout<<"capacitancia";cin>>c;
           t=6;
           do
           {
               i=vp*w*c*cos((w*t)+(pi/2));
               cout<<i<<endl;
               t=t+3;
           }
           while(t<=20);
       };
       break;


case 2:
   {

           double r,l,c,w,i;;
           cout<<"ingrese 1";cin>>r;
           cout<<"ingrese ";cin>>l;
           cout<<"capacitancia"; cin>>c;
           i=5;
           do
           {
               a=(w*l-(1/(w*c)));
               cout<<"z="<<r<<"+i"<<i<<endl;
               i=i+3;
           }

           while(i<=15);
       };
       break;


   case 3:
       {
           double il,x1,x2,w,l,pi=3.14,t;
       cout<<" voltaje ";cin>>v1;
           cout<<" voltaje ";cin>>v2,
           cout<<"ingresar";cin>>l;
           w=10;
           do
           {
               il=((x2-x1)/(w*l)*sin(w*t-pi/2));
               cout<<il;
               w=w+10;
           }while(w<=100);
       };break;

}//fin del switch

       system("pause");
       return 0;