next up previous
: $BFsJ,K!$N>l9g(B : $BNcBj$r2r$/%W%m%0%i%`Nc(B : $BNcBj$r2r$/%W%m%0%i%`Nc(B

Newton $BK!$N>l9g(B

$1$ $B$r=i4|CM$H$7$F!"5vMF@:EY(B $10^{-15}$ $B$r;X<($7$F(B Newton $BK!$G2r$+$;(B $B$?$N$,0J2<$N7k2L(B ($BF~NO$O(B 1 1e-15)$B!#(B 

waltz21% cc -o newton newton.c -lm
waltz21% ./newton 
 $B=i4|CM(B x0, $B5vMF@:EY&E(B=1 1e-15
f(  0.7503638678402439)=-1.89e-02
f(  0.7391128909113617)=-4.65e-05
f(  0.7390851333852840)=-2.85e-10
f(  0.7390851332151607)= 0.00e+00
f(  0.7390851332151607)= 0.00e+00
waltz21%


\begin{jremark}\upshape Newton $BK!$N7+$jJV$7$rDd;_$5$;$k$?$a$NNI$$%k!<%k$rFHNO$G(B.. ...$B+$J$5$l$F$$$kJ}K!$O0l1~$


Masashi Katsurada $BJ?@.(B13$BG/(B6$B7n(B28$BF|(B