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Texte de la légende
fa.h
/* --------------------------------- */
/* save as fa.h                      */
/* --------------------------------- */
#define  LOOP  2*50
/* ---------------------------------- */
double f(
double x,
double y)
{
 return(       1 );
}
char  feq[] = "1";
/* --------------------------------- */
/* --------------------------------- */
double v(
double x)
{
 return(        sqrt(x));
}
char  veq[] =  "sqrt(x)";
/* ---------------------------------- */
double u(
double x)
{
 return(      (x*x) );
}
char  ueq[] = "x**2";

/* --------------------------------- */
/* ---------------------------------- */
double v_minu_u(
double x)
{
 return(               sqrt(x)-x*x );
}
char  v_minu_ueq[] =  "sqrt(x)-x**2";
/* --------------------------------- */
/* --------------------------------- */
double bx = .8;    char bxeq[] = ".8";
double ax = .2;    char axeq[] = ".2";
/* ---------------------------------- */
/* ---------------------------------- */
fb.h
/* --------------------------------- */
/* save as fb.h                      */
/* --------------------------------- */
#define  LOOP  2*50
/* ---------------------------------- */
double f(
double x,
double y)
{
 return(       1 );
}
char  feq[] = "1";
/* --------------------------------- */
/* --------------------------------- */
double v(
double x)
{
 return(        exp(x));
}
char  veq[] =  "exp(x)";
/* --------------------------------- */
double u(
double x)
{
 return(      (log(x)) );
}
char  ueq[] = "log(x)";
/* ---------------------------------- */
/* ---------------------------------- */
double v_minu_u(
double x)
{
 return(               exp(x)-log(x) );
}
char  v_minu_ueq[] =  "exp(x)-log(x)";
/* --------------------------------- */
/* --------------------------------- */
double bx = 2.;    char bxeq[] = "2";
double ax = 1.;    char axeq[] = "1";
/* ---------------------------------- */
/* ---------------------------------- */
fc.h
/* --------------------------------- */
/* save as fc.h                      */
/* --------------------------------- */
#define  LOOP  2*50
/* ---------------------------------- */
double f(
double x,
double y)
{
 return(       1 );
}
char  feq[] = "1";
/* --------------------------------- */
/* --------------------------------- */
double v(
double x)
{
 return(        cos(x));
}
char  veq[] =  "cos(x)";
/* --------------------------------- */
double u(
double x)
{
 return(       (-x*x-2) );
}
char  ueq[] = "-x**2-2";
/* --------------------------------- */
/* --------------------------------- */
double v_minu_u(
double x)
{
return(                cos(x)-(-x*x-2) );
}
char  v_minu_ueq[] =  "cos(x)-(-x**2-2)";
/* ---------------------------------- */
/* --------------------------------- */
double bx =  1.5;    char bxeq[] = "+1.5";
double ax = -1.5;    char axeq[] = "-1.5";
/* ---------------------------------- */
/* ---------------------------------- */