Last active
January 28, 2018 18:53
-
-
Save santiago-tapia/3d2bfd9dc813516c9509870bf175f97f to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import java.util.*; | |
| public class Main | |
| { | |
| public static void main(String[] args) { | |
| // Vector de datos: | |
| double[] X = new double[10]; | |
| // Para leer utilizamos Scanner | |
| Scanner sc = new Scanner(System.in); | |
| for ( int i = 0; i < 10; ++i ) { | |
| // Leemos los valores y los guardamos en el Vector | |
| // Cada X[i] es una variable double | |
| X[i] = sc.nextDouble(); | |
| } | |
| // Sumamos: | |
| double suma = 0; | |
| for ( int i = 0; i < 10; ++i ) { | |
| // Leemos los valores y los guardamos en el Vector | |
| // Cada X[i] es una variable double | |
| suma = suma + X[i]; | |
| } | |
| double media = suma / 10; | |
| System.out.println("La media es: " + media ); | |
| // Podemos utilizar todos los vectores que necesitemos | |
| double[] dif2 = new double[10]; | |
| // Los bucles son "iguales" | |
| for ( int i = 0; i < 10; ++i ) { | |
| dif2[i] = ( X[i] - media) * ( X[i] - media); | |
| } | |
| // Reutilizo la variable (no necesariamente una buena idea) | |
| suma = 0; | |
| // Pero también se pueden escribir: | |
| for ( double valor : dif2 ) { | |
| suma += valor; | |
| } | |
| System.out.println("La VAR es: " + (suma/9) ); | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment