pontofixo x3 9x 3

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Plan1
	Resolução da equação x^3 - 9x + 3 = 0 pelo método do ponto fixo. 
	y= x^3 - 9x + 3	 j(x(n)) = (x^3+3)/9	y= x^3 - 9x + 3	j(xn) = 9/x - 3/x^2
	critério de parada	critério de parada	y= x^3 - 9x + 3
	n	xn	x(n+1) = j(x(n))	|x(n) - x(n+1)|	|f(xn)|	n	xn	x(n+1) = j(x(n))	x(n) - x(n+1)	n	xn	x(n+1) = j(x(n))	x(n+1) - x(n)
	0	1.000000	0.444444	0.5555555556	0.9122085048	0	2.5	3.120000	0.62	0	3	2.8844991406	0.1155008594
	1	0.444444	0.343088	0.1013565005	0.0474068407	1	3.12	2.576430	-0.5435700197	1	2.8844991406	2.842237717	0.0422614236
	2	0.343088	0.337821	0.0052674267	0.0018316643	2	2.5764299803	3.041262	0.4648318223	2	2.842237717	2.8264558535	0.0157818635
	3	0.337821	0.337617	0.0002035183	0.0000696362	3	3.0412618026	2.634948	-0.4063135969	3	2.8264558535	2.8205169266	0.0059389269
	4	0.337617	0.337609	0.0000077374	0.0000026458	4	2.6349482058	2.983534	0.348585846	4	2.8205169266	2.8182755389	0.0022413877
	5	0.337609	0.337609	0.000000294	0.0000001005	5	2.9835340517	2.679534	-0.3040000091	5	2.8182755389	2.817428698	0.0008468409
	6	0.337609	0.337609	0.0000000112	0.0000000038	6	2.6795340427	2.940960	0.2614259269	6	2.817428698	2.817108612	0.0003200859
	7	0.337609	0.337609	0.0000000004	0.0000000001	7	2.9409599695	2.713374	-0.227585767	7	2.817108612	2.8169876082	0.0001210039
	8	0.337609	0.337609	0	0	8	2.7133742025	2.909428	0.1960533068	8	2.8169876082	2.8169418617	0.0000457465
	9	0.337609	0.337609	0	0	9	2.9094275093	2.738982	-0.1704456021	9	2.8169418617	2.8169245665	0.0000172952
	10	0.337609	0.337609	0	0	10	2.7389819072	2.886000	0.1470183588	10	2.8169245665	2.8169180277	0.0000065388
	11	0.337609	0.337609	0	0	11	2.8860002661	2.758315	-0.127684839	11	2.8169180277	2.8169155555	0.0000024721
	12	0.337609	0.337609	0	0	12	2.758315427	2.868555	0.1102396225	12	2.8169155555	2.8169146209	0.0000009346
	13	2.8685550495	2.772886	-0.0956686457	13	2.8169146209	2.8169142675	0.0000003534
	0.337617	raiz com erro de 10^(-3)	14	2.7728864038	2.855542	0.082656062	14	2.8169142675	2.8169141339	0.0000001336
	15	2.8555424658	2.783853	-0.0716890924	15	2.8169141339	2.8169140834	0.0000000505
	16	2.7838533735	2.845824	0.061970732	16	2.8169140834	2.8169140643	0.0000000191
	17	2.8458241055	2.792099	-0.0537246924	17	2.8169140643	2.8169140571	0.0000000072
	18	2.7920994131	2.838559	0.0464598636	18	2.8169140571	2.8169140544	0.0000000027
	19	2.8385592767	2.798295	-0.0402644205	19	2.8169140544	2.8169140534	0.000000001
	20	2.7982948561	2.833125	0.0348299431	20	2.8169140534	2.816914053	0.0000000004
	21	2.8331247992	2.802947	-0.0301778421	21	2.816914053	2.8169140528	0.0000000001
	22	2.8029469571	2.829057	0.0261104694	22	2.8169140528	2.8169140528	0.0000000001
	23	2.8290574265	2.806439	-0.0226187645	23	2.8169140528	2.8169140527	0
	24	2.806438662	2.826012	0.0195734142	24	2.8169140527	2.8169140527	0
	25	2.8260120762	2.809059	-0.0169535169	25	2.8169140527	2.8169140527	0
	26	2.8090585592	2.823731	0.0146727261	26	2.8169140527	2.8169140527	0
	27	2.8237312853	2.811024	-0.0127074456	27	2.8169140527	2.8169140527	0
	28	2.8110238397	2.822023	0.010998898	28	2.8169140527	2.8169140527	0
	29	2.8220227377	2.812498	-0.0095249407	29	2.8169140527	2.8169140527	0
	30	2.812497797	2.820743	0.0082448562	30	2.8169140527	2.8169140527	0
	31	2.8207426532	2.813603	-0.0071395434
	32	2.8136031098	2.819783	0.006180358	2.817429	raiz com erro de 10^(-3)
	33	2.8197834678	2.814432	-0.0053515756
	34	2.8144318922	2.819065	0.0046327795
	35	2.8190646717	2.815053	-0.0040113927
	36	2.8150532791	2.818526	0.0034727036
	37	2.8185259827	2.815519	-0.0030068406
	38	2.8155191421	2.818122	0.002603109
	39	2.8181222512	2.815868	-0.0022538598
	40	2.8158683914	2.817820	0.0019512635
	41	2.8178196549	2.816130	-0.0016894461
	42	2.8161302087	2.817593	0.0014626441
	43	2.8175928528	2.816326	-0.0012663756
	44	2.8163264773	2.817423	0.0010963792
	45	2.8174228565	2.816474	-0.0009492513
	2.816474	raiz com erro de 10^(-3)
Plan2
Plan3