191问答库 > Fortran 编写 f(x)=sin(x)-cos(x⼀4)+x

Fortran 编写 f(x)=sin(x)-cos(x⼀4)+x

2025-02-23 22:28:51

推荐回答（1个）

回答1：

#include
#include
double f(double x)
{
    return sin(x)-cos(x/4.0)+x;
}
int main()
{
    printf("请输入x的取值范围:");
    double a,b;
    scanf("%lf%lf",&a,&b);
    FILE * w=fopen("output.xt","w");
    double t;
    double i;
    for(i=a;i<=b;i+=0.1)
    {
        t=f(i);
        printf("%lf\n",t);
        fprintf(w,"%lf\n",t);
    }
    getchar();
    getchar();
    fclose(w);
    return 0;
}