f___1.h

来自「c源码」· C头文件 代码 · 共 20 行

/*         .h                     freeware                   [e-mail]*/

/* -------------------------------------------------------------------------- */
double f(
double x)
{
 return(       3.0*x*x  - 2.0*x - 5.0);
}
char  feq[] = "3.0*x**2 - 2.0*x - 5.0";
/* -------------------------------------------------------------------------- */
double Df(
double x)
{
 return(       6.0*x - 2.0);
}
char Dfeq[] = "6.0*x - 2.0";
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */