Mathc initiation/Fichiers h : c43fa

Sommaire

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Les fonctions f(x)

fa.h /* ---------------------------------- */ /* save as fa.h */ /* ---------------------------------- */ double f( double x) { return(x + 1.); } char feq[] = "x + 1."; /* ---------------------------------- */ double Df( double x) { return(1.); } char Dfeq[] = "1."; /* ---------------------------------- */ double ds( double x) { return( sqrt(1. + pow(fx_x(f,x,H),2)) ); } /* ---------------------------------- */ /* ---------------------------------- */

fb.h /* ---------------------------------- */ /* save as fb.h */ /* ---------------------------------- */ double f( double x) { return(x*x); } char feq[] = "x**2"; /* ---------------------------------- */ double Df( double x) { return(2.*x); } char Dfeq[] = "2.*x"; /* ---------------------------------- */ double ds( double x) { return( sqrt(1. + pow(fx_x(f,x,H),2)) ); } /* ---------------------------------- */ /* ---------------------------------- */

fc.h /* ---------------------------------- */ /* save as fc.h */ /* ---------------------------------- */ double f( double x) { return(sin(x)); } char feq[] = "sin(x)"; /* ---------------------------------- */ double Df( double x) { return(cos(x)); } char Dfeq[] = "cos(x)"; /* ---------------------------------- */ double ds( double x) { return( sqrt(1. + pow(fx_x(f,x,H),2)) ); } /* ---------------------------------- */ /* ---------------------------------- */

fd.h /* ---------------------------------- */ /* save as fd.h */ /* ---------------------------------- */ double f( double x) { return(log(x)); } char feq[] = "log(x)"; /* ---------------------------------- */ double Df( double x) { return(1./x); } char Dfeq[] = "1./x"; /* ---------------------------------- */ double ds( double x) { return( sqrt(1. + pow(fx_x(f,x,H),2)) ); } /* ---------------------------------- */ /* ---------------------------------- */