EXERCICIOS DO METODO DA POSIÇÃO FALSA

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Plan3
	EXEMPLO 1 f(x) = x logx -1 ; ξ Є (2,3)
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	2	-0.3979	3	0.4314	2.4798	-0.021925577281061	1.00000000000000000
		1	2.4798	-0.0219	3	0.4314	2.5049	-0.001069945195166	0.52020000000000000
		2	2.5049	-0.0011	3	0.4314	2.5062	0.000013211620934	0.49510000000000000
		3	2.5049	-0.0011	2.5062	0	2.5062	0.000013211620934	0.00130000000000008
	EXEMPLO 2 f(x) = x3 - 9x +3 ; I [0,1]. Є < 5x10-4
		com arredondamento
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	0	3	1	-5	0.375	-3.222656250000E-01	1.00000000000000000
		1	0	3	0.375	-0.3223	0.3386	-8.579523544000E-03	0.37500000000000000
		2	0	3	0.3386	-0.0086	0.3376	7.754137599969E-05	0.33860000000000000
		sem arredondamento
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	0	3	1	-5	0.375	-3.222656250000E-01	1.00000000000000000
		1	0	3	0.375	-0.322265625	0.3386243386	-8.790199294384E-03	0.37500000000000000
		2	0	3	0.3386243386	-0.0087901993	0.3376350455	-2.258841765377E-04	0.33862433862433900
	Exercício 1 f(x) = x3 - 9x +3 ; I [2,3]. Є < 5x10-4
		com arredondamento
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	2	-7	3	3	2.7	-1.617000000000E+00	1.00000000000000000
		1	2	-7	2.7	-1.617	2.9102731	1.456651665465E+00	0.70000000000000000
		2	2.9102731	1.4566517	2.7	-1.617	2.8106214	-9.282843499705E-02	-0.21027310000000000
		3	2.9102731	1.4566517	2.8106214	-0.0928284	2.8165915	-4.774518600286E-03	-0.09965169999999990
		4	2.9102731	1.4566517	2.8165915	-0.0047745	2.8168976	-2.435806067211E-04	-0.09368160000000000
		sem arredondamento
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	2	-7	3	3	2.7	-1.617000000000E+00	1.00000000000000000
		1	2	-7	2.7	-1.617	2.9102730819	1.456651368864E+00	0.70000000000000000
		2	2.9102730819	1.4566513689	2.7	-1.617	2.8106213857	-9.282864571774E-02	-0.21027308192457700
		3	2.9102730819	1.4566513689	2.8106213857	-0.0928286457	2.8165914736	-4.774908684915E-03	-0.09965169626050980
		4	2.9102730819	1.4566513689	2.8165914736	-0.0047749087	2.816897559	-2.441882100079E-04	-0.09368160828242590
	Exercício 2 f(x) = x3 - 9x +3 ; I [-4,-3]. Є < 5x10-4
		com arredondamento
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	-4	-25	-3	3	-3.1071429	9.668814330721E-01	1.00000000000000000
		1	-3.1071429	0.9668814	-3	3	-3.1580964	-7.463698123120E-02	0.10714290000000000
		2	-3.1071429	0.9668814	-3.1580964	-0.074637	-3.154445	1.626661339330E-03	-0.05095349999999990
		3	-3.154445	0.0016267	-3.1580964	-0.074637	-3.1545229	2.266626061953E-06	-0.00365139999999986
		sem arredondamento
		K	a	f(a)	b	f(b)	x	f(x)	b-a
		0	-4	-25	-3	3	-3.1071428571	9.668822886297E-01	1.00000000000000000
		1	-3.1071428571	0.9668822886	-3	3	-3.1580963904	-7.463678041930E-02	0.10714285714285700
		2	-3.1071428571	0.9668822886	-3.1580963904	-0.0746367804	-3.1544449857	1.626960481513E-03	-0.05095353325843320
		3	-3.1544449857	0.0016269605	-3.1580963904	-0.0746367804	-3.1545228823	2.635293370190E-06	-0.00365140474755732
		4	-3.1545228823	0.0000026353	-3.1580963904	-0.0746367804	-3.1545230085	4.268287057130E-09	-0.00357350808059476