Ejemplo023.c

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>
 
#define N 1000
 
int main(int argc, char *argv[])
{
    int n, i, flag, op;
    float max, min, aux, x[N], vmx, vmn, md, st, z[N], cn, nr;
    srand(time(NULL));
    do{
        printf("Ingrese el numero de datos: ");
        scanf("%d", &n);
    }while(n<1||n>N);
    printf("Ingrese el numero maximo: ");
    scanf("%f", &max);
    printf("Ingrese el numero minimo: ");
    scanf("%f", &min);
    if(max<min)
    {
        aux = max;
        max = min;
        min = aux;
    }
    for(i=0, vmn=max, vmx=min, md=0, st=0; i<n; i++)
    {
        x[i] = ((max-min)*rand())/RAND_MAX+min;
        printf("X[%d] = %f\n", i+1, x[i]);
        if(vmn>x[i])
            vmn = x[i];
        if(vmx<x[i])
            vmx = x[i];
        md+=x[i];
        st+=(x[i]*x[i]);
    }
    md/=n;
    st/=n;
    st-=(md*md);
    st=sqrt(st);
    printf("Max: %f\n Min = %f\n Media = %f\n D. E. = %f\n", 
        vmx, vmn, md, st);
    flag = 0;
    printf("Desea centrar: ");
    scanf("%d", &op);
    if(op)
    {
        printf("Por rango: ");
        scanf("%d", &op);
        flag|=(op?1:4);
    }
    printf("Desea normalizar: ");
    scanf("%d", &op);
    if(op)
    {
        printf("Por rango: ");
        scanf("%d", &op);
        flag|=(op?2:8);
    }
    cn = (flag&1)?vmn:(flag&4?md:0);
    nr = (flag&2)?vmx-vmn:(flag&8?st:1);
    printf("%d\t%f\t%f\n", flag, cn, nr);
    for(i=0; i<n; i++)
    {
        z[i] = (x[i]-cn)/nr;
        printf("Z[%d] = %f\n", i+1, z[i]);
    }
    return 0;
}