C语言误差处理(平均数残差)

#include

#include

#include

#include

double d[100];double x1=0.0,x2=0.0,x3=0.0,average=0.0;

double T[]={63.66,9.92,5.84,4.60,4.03,3.71,3.50,3.36,3.25,3.17,3.11,3.05,3.01,2.98,2.95,2.92,2.90,2.88,2.86,2.85,2.83, 2.82,2.81,2.80,2.79,2.78,2.77,2.76,2.76,2.75,2.70,2.68,2.66,2.65,2.64,2.63,2.63,2.58};

double average_fun(double datas[],int datas_num)

{

int k=0;

for(k=0;k

{

average+=datas[k];

}

average/=datas_num;

return average;

}

double surplus(int num,double a[],double x)

{

int i,j;double c[100],w;

for(i=0;i

{

c[i]=a[i]-x;

d[i]=c[i];

}

printf("求得的残余误差为:\n ");

for(j=0;j

printf("%f ",d[j]);

for(i=0;i

{

w+=d[i];

}

return(w);

}

void check(int num,double w)

{

double A;

if(num%2==0)

{

if(w>num/2.0*A)

{

printf("该算术平均值不正确!\n");

}

else printf("该算术平均值正确!\n");

}

else

{

if(w>(num/2.0-0.5)*A)

{

printf("该算术平均值不正确!\n");

}

else printf("该算术平均值正确!\n");

}

}

judge1(int num)

{

int t,j;double m=0.0,n=0.0,z=0.0;

if(num%2==0)

{

t=num/2;

for(j=0;j

m+=d[j];

for(j=t;j

n+=d[j];

z=m-n;

}

else

{

t=(num+1)/2;

for(j=0;j

m+=d[j];

for(j=t;j

n+=d[j];

z=m-n;printf("%lf",z);

}

if(z<=0.002)

printf("无根据怀疑此组存在系统误差\n");

else

printf("怀疑此组存在系统误差\n");

}

std(int num,double data[])

{

double m=0.0;int k;

for(k=0;k

{

m+=data[k]*data[k];

}

x1=sqrt(m/(num-1));

x2=x1/(sqrt(num));

}

void judge2(int w)

{

int i;

for(i=0;i

{

if(d[i]<3*x1)

printf("该数据存在粗大误差\n");

else

printf("该数据不存在粗大误差\n");

}

}

limit(int num)

{

double t=0.0;

t=T[num-1];

x3=t*x2;

}

bear(int datas_num,double datas[])

{

double y=0.0,k=0.0;int i;

for(i=0;i

{

k+=datas[i];

}

k/=datas_num;

y=k+x3;

printf("结果为:");

printf("%lf",y);

}

void main()

{

int num;

int i;

double a[100];

double x=0.0,w=0.0;

printf("输入实验组数：");

scanf("%d",&num);

printf("输入测得的数据：");

for(i=0;i

scanf("%lf",&a