Mathc initiation/Fichiers h : c26ba

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fa.h /* --------------------------------- */ /* save as fa.h */ /* --------------------------------- */ double f( double x, double y, double z) { return( y*sin(x*y*z)*z ); } char feq[] = "y*sin(x*y*z)*z"; /* --------------------------------- */ double f_x( double x, double y, double z) { return( (y*y*z*z*cos(x*y*z)) ); } char Dfeq_x[] = "y**2*z**2*cos(x*y*z)"; /* --------------------------------- */ double f_y( double x, double y, double z) { return( (x*y*z*z*cos(x*y*z)+z*sin(x*y*z)) ); } char Dfeq_y[] = "x*y*z*z*cos(x*y*z)+z*sin(x*y*z)"; /* --------------------------------- */ double f_z( double x, double y, double z) { return( (x*y*y* z*cos(x*y*z)+y*sin(x*y*z)) ); } char Dfeq_z[] = "x*y**2*z*cos(x*y*z)+y*sin(x*y*z)"; /* --------------------------------- */ double f_xx( double x, double y, double z) { return( (-pow(y,3)*pow(z,3)*sin(x*y*z) ) ); } char Dfeq_xx[] = "-y**3*z**3*sin(x*y*z)"; /* --------------------------------- */ double f_yy( double x, double y, double z) { return((2*x*z*z*cos(x*y*z)-x*x*y*pow(z,3)*sin(x*y*z))); } char Dfeq_yy[] = "2*x*z**2*cos(x*y*z)-x**2*y*z**3*sin(x*y*z)"; /* --------------------------------- */ /* --------------------------------- */ double f_zz( double x, double y, double z) { return((2*x*y*y*cos(x*y*z)-x*x*z*pow(y,3)*sin(x*y*z))); } char Dfeq_zz[] = "2*x*z**2*cos(x*y*z)-x**2*z*y**3*sin(x*y*z)"; /* --------------------------------- */

fb.h /* --------------------------------- */ /* save as fb.h */ /* --------------------------------- */ double f( double x, double y, double z) { return( (x*x*x*y*y*z-x*y+z) ); } char feq[] = "x**3*y**2*z-x*y+z"; /* --------------------------------- */ double f_x( double x, double y, double z) { return( (-y+3*x*x*y*y*z) ); } char Dfeq_x[] = "-y+3*x**2*y**2*z"; /* --------------------------------- */ double f_y( double x, double y, double z) { return( (-x+2*x*x*x*y*z) ); } char Dfeq_y[] = "-x+2*x**3*y*z"; /* --------------------------------- */ double f_z( double x, double y, double z) { return( (1+pow(x,3)*y*y) ); } char Dfeq_z[] = "1+x**3*y**2"; /* --------------------------------- */ double f_xx( double x, double y, double z) { return( (6*x*y*y*z ) ); } char Dfeq_xx[] = "6*x*y**2*z"; /* --------------------------------- */ double f_yy( double x, double y, double z) { return( (2*pow(x,3)*z)); } char Dfeq_yy[] = "2*x**3*z"; /* --------------------------------- */ /* --------------------------------- */ double f_zz( double x, double y, double z) { return( (0)); } char Dfeq_zz[] = "0"; /* --------------------------------- */

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