Mathc initiation/0025

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fa.h /* ---------------------------------- */ /* save as fa.h */ /* ---------------------------------- */ double f( double x) { return(sin(x)); } char feq[] = "sin(x)"; /* ---------------------------------- */ double F( double x) { return( -cos(x)); } char Feq[] = " -cos(x)"; /* ---------------------------------- */ /* ---------------------------------- */	fb.h /* ---------------------------------- */ /* save as fb.h */ /* ---------------------------------- */ double f( double x) { return(2*x+4*x*x*x); } char feq[] = "2*x+4*x**3"; /* ---------------------------------- */ double F( double x) { return( x*x+x*x*x*x); } char Feq[] = " x**2+x**4"; /* ---------------------------------- */ /* ---------------------------------- */
fc.h /* ---------------------------------- */ /* save as fc.h */ /* ---------------------------------- */ double f( double x) { return(2*x+sin(x)); } char feq[] = "2*x+sin(x)"; /* ---------------------------------- */ double F( double x) { return( x*x-cos(x)); } char Feq[] = " x**2-cos(x)"; /* ---------------------------------- */ /* ---------------------------------- */	fd.h /* ---------------------------------- */ /* save as fd.h */ /* ---------------------------------- */ double f( double x) { return( tan(x) ); } char feq[] = "tan(x)"; /* ---------------------------------- */ double F( double x) { return( - log( fabs(cos(x)) ) ); } char Feq[] = "- ln( |cos(x)| )"; /* ---------------------------------- */ /* ---------------------------------- */