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Bissecção a) f(x)= 1-xln(x), com Ɛ=10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 1 2 1.5 1 -0.3862943611 0.3918023378 1.5 1 1 2 1.5 2 1.75 0.3918023378 -0.3862943611 0.0206723711 0.25 2 -0.3862943611 3 1.75 2 1.875 0.0206723711 -0.3862943611 -0.1786412364 0.125 3 -2.295836866 4 1.75 1.875 1.8125 0.0206723711 -0.1786412364 -0.0779066328 0.0625 4 -4.5451774445 5 1.75 1.812 1.781 0.0206723711 -0.0771093482 -0.0279486827 0.0315 1.5 0.3918023378 6 1.75 1.781 1.7655 0.0206723711 -0.0279486827 -0.0035701147 0.0155 1.8 -0.0580159968 7 1.75 1.765 1.7575 0.0206723711 -0.0027859685 0.0089592042 0.008 8 1.757 1.765 1.761 0.0097410792 -0.0027859685 0.0034820982 0.0035 9 1.761 1.765 1.763 0.0034820982 -0.0027859685 0.0003491993 0.002 10 1.763 1.765 1.764 0.0003491993 -0.0027859685 -0.0012181012 0.001 11 1.763 1.764 1.7635 0.0003491993 -0.0012181012 -0.0004343801 0.0005 12 1.763 1.764 1.7635 0.0003491993 -0.0012181012 -0.0004343801 0 b) f(x)= 2^x-3x, com Ɛ=10^-2 (0,01) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 0 1 0.5 1 -1 -0.0857864376 0.5 -3 9.125 2 0 0.5 0.25 1 -0.0857864376 0.439207115 0.5 -2 6.25 3 0.25 0.5 0.375 0.439207115 -0.0857864376 0.1718395547 0.125 -1 3.5 4 0.5 0.375 0.4375 -0.0857864376 0.1718395547 0.0417555469 0.0625 0 1 5 0.5 0.4375 0.46875 -0.0857864376 0.0417555469 -0.022340118 0.0312 1 -1 6 0.468 0.438 0.453 -0.020809371 0.0407249775 0.0098838131 0.015 2 -2 7 0.468 0.453 0.4605 -0.020809371 0.0098838131 -0.0054813728 0.0075 3 -1 8 0.46 0.453 0.4565 -0.0044581819 0.0098838131 0.0027087775 0.004 4 4 9 0.46 0.4565 0.45825 -0.0044581819 0.0027087775 -0.0008757129 0.00175 5 17 10 0.458 0.457 0.4575 -0.0003637666 0.0016844313 0.0006602499 0.00075 6 46 11 0.458 0.457 0.4575 -0.0003637666 0.0016844313 0.0006602499 0 7 107 c) f(x)= x^3+x-1000, com Ɛ=10^-5 (0,00001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 9 10 9.5 -262 10 -133.125 9.5 9 -262 2 9.5 10 9.75 -133.125 10 -63.390625 0.25 10 10 3 9.75 10 9.875 -63.390625 10 -27.158203125 0.125 -1000 4 9.875 10 9.9375 -27.158203125 10 -8.6955566406 0.0625 -1000 5 9.937 10 9.9685 -8.844180047 10 0.5482362441 0.031 -1000 6 9.937 9.968 9.9525 -8.844180047 0.398687232 -4.2299196719 0.016 -1000 7 9.952 9.968 9.96 -4.378990592 0.398687232 -1.992064 0.0075 -1000 8 9.96 9.968 9.964 -1.992064 0.398687232 -0.797166656 0.004 -1000 9 9.964 9.968 9.966 -0.797166656 0.398687232 -0.199359304 0.002 -1000 10 9.966 9.968 9.967 -0.199359304 0.398687232 0.099634063 0.001 -1000 11 9.966 9.967 9.9665 -0.199359304 0.099634063 -0.0498700954 0.0005 -1000 12 9.966 9.967 9.9665 -0.199359304 0.099634063 -0.0498700954 0 d) f(x)= x^3-2x^2-3x+10, com Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 -3 -2 -2.5 -26 0 -10.625 2.5 -3 -26 2 -2.5 -2 -2.25 -10.625 0 -4.765625 0.25 -2 0 3 -2.25 -2 -2.125 -4.765625 0 -2.251953125 0.125 10 4 -2.125 -2 -2.0625 -2.251953125 0 -1.0939941406 0.063 10 5 -2.062 -2 -2.031 -1.084990328 0 -0.534717791 0.031 10 6 -2.031 -2 -2.0155 -0.534717791 0 -0.2654257239 0.016 10 7 -2.015 -2 -2.0075 -0.256803375 0 -0.1279504219 0.008 10 8 -2.007 -2 -2.0035 -0.119392343 0 -0.0595980429 0.004 10 9 -2.003 -2 -2.0015 -0.051072027 0 -0.0255180034 0.002 10 10 -2.001 -2 -2.0005 -0.017008001 0 -0.0085020001 0.001 10 11 -2 -2 -2 0 0 0 0 10 e) f(x)= e^x-x-2, com Ɛ= 10^-4 (0,0001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 -2 -1 -1.5 0.1353633504 -0.6320824135 -0.2768351345 1.5 -3 1.0498025572 2 -2 -1.5 -1.75 0.1353633504 -0.2768351345 -0.0761945228 0.25 -2 0.1353633504 3 -2 -1.75 -1.875 0.1353633504 -0.0761945228 0.0283847832 0.125 -1 -0.6320824135 4 -1.875 -1.75 -1.8125 0.0283847832 -0.0761945228 -0.0242238063 0.063 0 -1 5 -1.875 -1.812 -1.8435 0.0283847832 -0.0246421563 0.0017927902 0.031 1 -0.282 6 -1.843 -1.812 -1.8275 0.0013719482 -0.0246421563 -0.011654422 0.016 2 3.387524 7 -1.843 -1.827 -1.835 0.0013719482 -0.0120739874 -0.0053561272 0.008 3 15.079290232 8 -1.843 -1.835 -1.839 0.0013719482 -0.0053561272 -0.0019933613 0.004 4 48.5755108506 9 -1.843 -1.839 -1.841 0.0013719482 -0.0019933613 -0.0003110238 0.002 5 141.3362384919 10 -1.843 -1.841 -1.842 0.0013719482 -0.0003110238 0.0005303829 0.001 6 395.1778962209 11 -1.842 -1.841 -1.8415 0.0005303829 -0.0003110238 0.0001096597 0.001 7 1086.8375219284 12 -1.841 -1.841 -1.841 -0.0003110238 -0.0003110238 -0.0003110238 0 f) f(x)= 70e^-1,5x+2,5e^-0,07x-9, com Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 1 2 1.5 8.9525420514 -3.3403938598 0.630502929 1.5 0 63.3310014679 2 1.5 2 1.75 0.630502929 -3.3403938598 -1.7160438437 0.25 1 8.7949677208 3 1.5 1.75 1.625 0.630502929 -1.7160438437 -0.6506932016 0.125 2 -3.4873162582 4 1.5 1.625 1.5625 0.630502929 -0.6506932016 -0.0396603805 0.063 3 -6.3324931233 5 1.5 1.562 1.531 0.630502929 -0.034541088 0.2903599612 0.031 4 -7.0645952135 6 1.531 1.562 1.5465 0.2903599612 -0.034541088 0.1260482005 0.015 5 -7.3185653929 7 1.546 1.562 1.554 0.1312900122 -0.034541088 0.0478842074 0.008 6 -7.4597094496 8 1.554 1.562 1.558 0.0478842074 -0.034541088 0.0065497297 0.004 7 -7.5699647713 9 1.558 1.562 1.56 0.0065497297 -0.034541088 -0.0140260454 0.002 8 -7.6680028906 10 1.558 1.56 1.559 0.0065497297 -0.0140260454 -0.0037457608 0.001 9 -7.7583505315 11 1.558 1.559 1.5585 0.0065497297 -0.0037457608 0.0014000823 0.0005 10 -6.4999785535 11 1.558 1.559 1.5585 0.0065497297 -0.0037457608 0.0014000823 0 g) f(x)= x^2+ln(x), com Ɛ= 10^-6 (0,000001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 0.1 1 0.55 -2.292585093 1 -0.2953370008 0.55 0.1 -2.292585093 2 0.55 1 0.775 -0.2953370008 1 0.3457327504 0.255 1 1 3 0.55 0.775 0.6625 -0.2953370008 0.3457327504 0.0271715289 0.093 2 4.6931471806 4 0.55 0.662 0.606 -0.2953370008 0.025754277 -0.1336392929 0.056 3 10.0986122887 5 0.606 0.662 0.634 -0.1336392929 0.025754277 -0.0537503245 0.028 4 17.3862943611 6 0.634 0.662 0.648 -0.0537503245 0.025754277 -0.0139605826 0.013 5 26.6094379124 7 0.648 0.662 0.655 -0.0139605826 0.025754277 0.0059049567 0.007 6 37.7917594692 8 0.648 0.655 0.6515 -0.0139605826 0.0059049567 -0.0040256324 0.004 7 50.9459101491 9 0.615 0.655 0.635 -0.1079080112 0.0059049567 -0.0509052801 0.016 8 66.0794415417 10 0.635 0.655 0.645 -0.0509052801 0.0059049567 -0.0224799622 0.01 9 83.1972245773 11 0.645 0.655 0.65 -0.0224799622 0.0059049567 -0.0082829161 0.005 10 102.302585093 12 0.65 0.655 0.6525 -0.0082829161 0.0059049567 -0.0011878898 0.002 13 0.652 0.655 0.6535 -0.0026067171 0.0059049567 0.0016495041 0.001 14 0.652 0.653 0.6525 -0.0026067171 0.0002308503 -0.0011878898 0.001 15 0.652 0.653 0.6525 -0.0026067171 0.0002308503 -0.0011878898 0 h) f(x)= x^2-10x+23, Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 3 4 3.5 2 -1 0.25 3.5 -4 79 2 3.5 4 3.75 0.25 -1 -0.4375 0.25 -3 62 3 3.5 3.75 3.625 0.25 -0.4375 -0.109375 0.13 -2 47 4 3.5 3.62 3.56 0.25 -0.0956 0.0736 0.06 -1 34 5 3.56 3.62 3.59 0.0736 -0.0956 -0.0119 0.03 0 23 6 3.56 3.59 3.575 0.0736 -0.0119 0.030625 0.02 1 14 7 3.57 3.59 3.58 0.0449 -0.0119 0.0164 0.01 2 7 8 3.58 3.59 3.585 0.0164 -0.0119 0.002225 0.005 3 2 9 3.58 3.59 3.585 0.0164 -0.0119 0.002225 0 4 -1 5 -2 6 -1 i) f(x)=2x-cos(x), com Ɛ= 10^-4 (0,0001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 0 1 0.5 -1 1.4596976941 0.1224174381 0.5 -3 -5.0100075034 2 0 0.5 0.25 -1 0.1224174381 -0.4689124217 0.25 -2 -3.5838531635 3 0.25 0.5 0.375 -0.4689124217 0.1224174381 -0.1805076219 0.125 -1 -2.5403023059 4 0.37 0.5 0.435 -0.1923273456 0.1224174381 -0.0368700423 0.06 0 -1 5 0.435 0.5 0.4675 -0.0368700423 0.1224174381 0.0423022834 0.0325 1 1.4596976941 6 0.435 0.467 0.451 -0.0368700423 0.041077067 0.0019883133 0.0165 2 4.4161468365 7 0.435 0.451 0.443 -0.0368700423 0.0019883133 -0.0174697754 0.008 3 6.9899924966 8 0.443 0.451 0.447 -0.0174697754 0.0019883133 -0.007747945 0.004 4 8.6536436209 9 0.447 0.451 0.449 -0.007747945 0.0019883133 -0.0028816176 0.002 5 9.7163378145 10 0.449 0.451 0.45 -0.0028816176 0.0019883133 -0.0004471024 0.001 6 11.0398297133 11 0.45 0.451 0.4505 -0.0004471024 0.0019883133 0.000770493 0.0005 7 13.2460977457 11 0.4505 0.4505 0.4505 0.000770493 0.000770493 0.000770493 0 j) f(x)= 8e^-0,5x*cox(3x), com Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| x f(x) 1 1 2 1.5 -4.8036864166 2.8258152679 -0.7965830809 1.5 -5 -74.0391472834 2 1.5 2 1.75 -0.7965830809 2.8258152679 1.7077518903 0.25 -4 49.882273923 3 1.5 1.75 1.625 -0.7965830809 1.7077518903 0.5747249391 0.125 -3 -32.6672202907 4 1.5 1.625 1.5625 -0.7965830809 0.5747249391 -0.0911506331 0.0625 -2 20.8801075394 5 1.562 1.625 1.5935 -0.096666991 0.5747249391 0.2454411619 0.031 -1 -13.0577734958 6 1.562 1.593 1.5775 -0.096666991 0.2401039492 0.0731046544 0.016 0 8 7 1.562 1.577 1.5695 -0.096666991 0.0676696427 -0.0141942369 0.008 1 -4.8036864166 8 1.569 1.577 1.573 -0.0196739003 0.0676696427 0.024086997 0.0035 2 2.8258152679 9 1.569 1.573 1.571 -0.0196739003 0.024086997 0.00222847 0.002 3 -1.62640513 10 1.569 1.571 1.57 -0.0196739003 0.00222847 -0.0087172799 0.001 4 0.9136257161 11 1.57 1.571 1.5705 -0.0087172799 0.00222847 -0.0032430405 0.0005 5 -0.4988718503 12 1.57 1.571 1.5705 -0.0087172799 0.00222847 -0.0032430405 0 Posição Falsa a) f(x)= 1-xln(x), com Ɛ=10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 1 2 1.6666666667 1 -0.3862943611 0.1486239604 1.67 2 1.67 2 1.89 0.1435845439 -0.3862943611 -0.2031302069 0.2233333333 3 1.67 1.89 1.8166666667 0.1435845439 -0.2031302069 -0.0845560313 0.0733333333 4 1.67 1.82 1.77 0.1435845439 -0.089882432 -0.0106337975 0.0466666667 4 1.67 1.77 1.7366666667 0.1435845439 -0.0106337975 0.0414163251 0.0333333333 4 1.74 1.77 1.76 0.036239903 -0.0106337975 0.0050476961 0.0233333333 4 1.76 1.77 1.7666666667 0.0050476961 -0.0106337975 -0.0054003397 0.0066666667 4 1.76 1.77 1.7666666667 0.0050476961 -0.0106337975 -0.0054003397 0 b) f(x)= 2^x-3x, com Ɛ=10^-2 (0,01) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 0 1 0.6666666667 1 -1 -0.412598948 0.67 2 0 0.67 0.4466666667 1 -0.4189270325 0.022887677 0.22 3 0.45 0.67 0.5966666667 0.0160402568 -0.4189270325 -0.2777814398 0.15 4 0.45 0.6 0.55 0.0160402568 -0.2842834335 -0.1859143041 0.05 5 0.45 0.55 0.5166666667 0.0160402568 -0.1859143041 -0.1193540676 0.03 6 0.45 0.52 0.4966666667 0.0160402568 -0.126044752 -0.0790501929 0.02 7 0.45 0.5 0.4833333333 0.0160402568 -0.0857864376 -0.0520300658 0.02 8 0.45 0.48 0.47 0.0160402568 -0.0452563336 -0.0248905319 0.01 8 0.45 0.47 0.4633333333 0.0160402568 -0.0248905319 -0.011276331 0.01 8 0.45 0.46 0.4566666667 0.0160402568 -0.0044581819 0.0023673104 0 c) f(x)= x^3+x-1000, com Ɛ=10^-5 (0,00001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 9 10 9.6666666667 -262 10 -87.037037037 9.67 2 9.67 10 9.89 -86.098937 10 -22.748331 0.22 3 9.89 10 9.9633333333 -22.748331 10 -0.9963826296 0.07 4 9.96 10 9.9866666667 -1.992064 10 5.9919976296 0.03 4 9.96 9.993 9.982 -1.992064 7.894469657 4.591714168 0.01 4 9.96 9.98 9.9733333333 -1.992064 3.991992 1.9946477037 0.01 4 9.96 9.97 9.9666666667 -1.992064 0.996973 -0.000037037 0 d) f(x)= x^3-2x^2-3x+10, com Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 -3 -2 -2.3333333333 -26 0 -6.5925925926 2 -2.3 -2 -2.1 -5.847 0 -1.781 3 -2.1 -2 -2.0333333333 -1.781 0 -0.5755925926 4 -2 -2 -2 0 0 0 4 0 10 10 10 e) f(x)= e^x-x-2, com Ɛ= 10^-4 (0,0001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 -2 -1 -1.3333333333 0.1353633504 -0.6320824135 -0.4030330849 1.3 2 -2 -1.3 -1.5333333333 0.1353633504 -0.4274314701 -0.2508172697 0.2 3 -2 -1.5 -1.6666666667 0.1353633504 -0.2768351345 -0.1444250886 0.2 4 -2 -1.7 -1.8 0.1353633504 -0.1172842727 -0.0346702589 0.1 5 -2 -1.8 -1.8666666667 0.1353633504 -0.0346702589 0.0213348634 0.1 6 -1.9 -1.8 -1.8333333333 0.0495980872 -0.0346702589 -0.0067565265 0.1 7 -1.9 -1.8 -1.8333333333 0.0495980872 -0.0346702589 -0.0067565265 0 f) f(x)= 70e^-1,5x+2,5e^-0,07x-9, com Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 1 2 1.6666666667 8.9525420514 -3.3403938598 -1.0278291529 1.67 2 1 1.67 1.4466666667 8.9525420514 -1.057010652 1.2534854046 0.22 3 1.45 1.67 1.5966666667 1.2130910885 -1.057010652 -0.3806693161 0.15 4 1.45 1.6 1.55 1.2130910885 -0.4130262615 0.0894638102 0.05 5 1.55 1.6 1.5833333333 0.0894638102 -0.4130262615 -0.2496367098 0.03 6 1.55 1.58 1.57 0.0894638102 -0.2164733231 -0.1159975608 0.01 7 1.55 1.57 1.5633333333 0.0894638102 -0.1159975608 -0.0481841326 0.01 8 1.55 1.56 1.5566666667 0.0894638102 -0.0140260454 0.0203007435 0 g) f(x)= x^2+ln(x), com Ɛ= 10^-6 (0,000001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 0.1 1 0.7 -2.292585093 1 0.1333250561 0.7 2 0.1 0.7 0.5 -2.292585093 0.1333250561 -0.4431471806 0.2 3 0.5 0.7 0.6333333333 -0.4431471806 0.1333250561 -0.0556472914 0.13 4 0.63 0.7 0.6766666667 -0.0651354596 0.1333250561 0.0673012822 0.05 5 0.63 0.68 0.6633333333 -0.0651354596 0.0767375192 0.0295334612 0.02 6 0.63 0.66 0.65 -0.0651354596 0.020084556 -0.0082829161 0.01 7 0.65 0.66 0.6566666667 -0.0082829161 0.020084556 0.0106323652 0.01 8 0.65 0.66 0.6566666667 -0.0082829161 0.020084556 0.0106323652 0 h) f(x)= x^2-10x+23, Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 3 4 3.6666666667 2 -1 -0.2222222222 3.67 2 3 3.67 3.4466666667 2 -0.2311 0.4128444444 0.22 3 3.45 3.67 3.5966666667 0.4025 -0.2311 -0.0306555556 0.15 4 3.45 3.6 3.55 0.4025 -0.04 0.1025 0.0466666667 4 3.55 3.6 3.5833333333 0.1025 -0.04 0.0069444444 0.0333333333 4 3.58 3.6 3.5933333333 0.0164 -0.04 -0.0212888889 0.01 4 3.58 3.59 3.5866666667 0.0164 -0.0119 -0.0024888889 0.0066666667 4 3.58 3.59 3.5866666667 0.0164 -0.0119 -0.0024888889 0 i) f(x)=2-cos(x), com Ɛ= 10^-4 (0,0001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 0 2 0 0 3 0 0 4 0 0 4 0 0 j) f(x)= 8e^-0,5x*cox(3x), com Ɛ= 10^-3 (0,001) k a b x f(a) f(b) f(x) | xk+1 – xk| 1 1 2 1.6666666667 2 0 3 0 4 0 4 0 Ponto Fixo a) f(x)= 1-ln(x), com Ɛ=10^-3 (0,001) K xk Q(x) | xk+1 – xk| 1 1.800 1.743 0.057 2 1.743 1.775 0.032 3 1.775 1.757 0.018 3 1.757 1.767 0.010 1.767 1.761 0.006 1.761 1.764 0.003 1.764 1.763 0.002 1.763 1.764 0.001 1.764 1.763 0.001 1.763 1.763 0.000 c) f(x)= x^3+x-1000, com Ɛ=10^-5 (0,00001) K xk Q(x) | xk+1 – xk| 1 9.500 9.968 0.468 2 9.968 9.967 0.002 3 9.967 9.967 0.000 Newton - Raphson c) f(x)= x^3+x-1000, com Ɛ=10^-5 (0,00001) K xk xk+1 | xk+1 – xk| 1 9.50000 9.98988 0.48988 2 9.98988 9.96672 0.02316 3 9.96672 9.96667 0.00005 4 9.96667 9.96667 0.00000
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