*** pazul started : Tue May 07 23:44:42 2013 === f(x) = X**3 - X + 1 = 0 === by X[n+1] = ( 2*X[n]**3 - 1)/( 3*X[n]**2 - 1) 初期値 0.700000 1 exp(x)=2.013753 y = -0.1505139645334906 e = 0.5592377876471402 2 exp(x)=0.860266 y = -0.3460334872055287 e = 0.0154218204760697 3 exp(x)=0.707489 y = -0.3517294740200236 e = 0.0000114552173439 4 exp(x)=0.703470 y = -0.3517337112468599 e = 0.0000000000063151 5 exp(x)=0.703467 y = -0.3517337112491958 e = 0.0000000000000000 === by X[n+1] = ( 3*X[n]**5 + X[n]**3 - 6*X[n]**2 + 1)/( 6*X[n]**4 - 3*X[n]**2 - 3*X[n] + 1) 初期値 -0.700000 1 exp(x)=0.496585 y = 2.7810073944304192 e = 21.6972821307046000 2 exp(x)=16.135267 y = 0.3674870528043993 e = 2.1790752069578847 3 exp(x)=1.444101 y = 1.6549702384797103 e = 8.5428646570407789 4 exp(x)=5.232924 y = 0.7819512791027129 e = 3.7496356406180258 5 exp(x)=2.185733 y = 1.3189330561844219 e = 6.3772955992821814 6 exp(x)=3.739429 y = 0.9629253554326998 e = 4.5451985107238038 7 exp(x)=2.619348 y = 1.1892755287244625 e = 5.6632517313351247 8 exp(x)=3.284701 y = 1.0410777589534688 e = 4.9144233899763172 9 exp(x)=2.832268 y = 1.1363816119066328 e = 5.3882381718809365 10 exp(x)=3.115475 y = 1.0743512826229711 e = 5.0767953448578629 11 exp(x)=2.928093 y = 1.1144186565951588 e = 5.2766331612408415 12 exp(x)=3.047796 y = 1.0884079657218482 e = 5.1463586249887481 13 exp(x)=2.969543 y = 1.1052392713181383 e = 5.2304255116945981 14 exp(x)=3.019947 y = 1.0943250374868891 e = 5.1758158528553881 15 exp(x)=2.987166 y = 1.1013927973875222 e = 5.2111387285322399 16 exp(x)=3.008353 y = 1.0968118891791243 e = 5.1882274391321435 17 exp(x)=2.994604 y = 1.0997792802140627 e = 5.2030615786647640 18 exp(x)=3.003503 y = 1.0978563747630603 e = 5.1934458647037944 19 exp(x)=2.997733 y = 1.0991021437469835 e = 5.1996742127263653 20 exp(x)=3.001470 y = 1.0982949380259734 e = 5.1956379751767034 21 exp(x)=2.999048 y = 1.0988179208962903 e = 5.1982528019083905 22 exp(x)=3.000617 y = 1.0984790620116338 e = 5.1965584706766705 23 exp(x)=2.999600 y = 1.0986986113000876 e = 5.1976562016738264 24 exp(x)=3.000259 y = 1.0985563597458876 e = 5.1969449374170882 25 exp(x)=2.999832 y = 1.0986485265104524 e = 5.1974057685177293 26 exp(x)=3.000109 y = 1.0985888096963268 e = 5.1971071833041913 27 exp(x)=2.999930 y = 1.0986275012082578 e = 5.1973006403840945 28 exp(x)=3.000046 y = 1.0986024322171664 e = 5.1971752952272272 29 exp(x)=2.999970 y = 1.0986186748587301 e = 5.1972565083504971 30 exp(x)=3.000019 y = 1.0986081509435226 e = 5.1972038887389651 31 exp(x)=2.999988 y = 1.0986149695786729 e = 5.1972379818998160 *** pazul ended time = 16 ms : Tue May 07 23:44:42 2013