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Análise de Precisão de Funções Matemáticas, Exercícios de Cálculo

Documento contendo tabelas e valores numéricos relacionados à análise da precisão de três funções matemáticas (f(a), f(b) e f(xm)) em diferentes valores de x. As tabelas apresentam os valores de precisão, erro absoluto e erro relativo.

Tipologia: Exercícios

2021

Compartilhado em 09/08/2021

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a b xm f(a) f(b) f(xm) Precisão a b
0 1 0.5 -1 0.632121 -0.106531 1 0.1000 1.0000
0.5 1 0.75 -0.106531 0.632121 0.277633 0.5 0.1000 0.5500
0.5 0.75 0.625 -0.106531 0.277633 0.089739 0.25 0.1000 0.3250
0.5 0.625 0.5625 -0.106531 0.089739 -0.007283 0.125 0.1000 0.2125
0.5625 0.625 0.59375 -0.007283 0.089739 0.041498 0.0625 0.1563 0.2125
0.5625 0.59375 0.578125 -0.007283 0.041498 0.017176 0.03125 0.1563 0.1844
0.5625 0.578125 0.570313 -0.007283 0.017176 0.004964 0.015625 0.1563 0.1703
0.5625 0.570313 0.566406 -0.007283 0.004964 -0.001155 0.007813 0.1633 0.1703
0.566406 0.570313 0.568359 -0.001155 0.004964 0.001905 0.003906 0.1633 0.1668
0.566406 0.568359 0.567383 -0.001155 0.001905 0.000375 0.001953 0.1650 0.1668
0.566406 0.567383 0.566895 -0.001155 0.000375 -0.00039 0.000977 0.1659 0.1668
0.566895 0.567383 0.567139 -0.00039 0.000375 -7.24E-06 0.000488 0.1664 0.1668
0.567139 0.567383 0.567261 -7.24E-06 0.000375 0.000184 0.000244 0.1666 0.1668
0.567139 0.567261 0.5672 -7.24E-06 0.000184 8.841E-05 0.000122 0.1666 0.1667
0.1666 0.1667
0.1667 0.1667
0.567139 0.5672 0.567169 -7.24E-06 8.841E-05 4.059E-05 6.104E-05
0.567139 0.567169 0.567154 -7.24E-06 4.059E-05 1.667E-05 3.052E-05 a b
0.567139 0.567154 0.567146 -7.24E-06 1.667E-05 4.718E-06 1.526E-05 0.1000 1.0000
0.567139 0.567146 0.567142 -7.24E-06 4.718E-06 -1.26E-06 7.629E-06 0.5500 1.0000
0.7750 1.0000
0.7750 0.8875
0.7750 0.8313
0.7750 0.8031
0.7750 0.7891
0.7820 0.7891
0.7820 0.7855
0.7838 0.7855
0.7847 0.7855
0.7851 0.7855
0.7853 0.7855
0.7853 0.7854
0.7854 0.7854
0.7854 0.7854
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a b xm f(a) f(b) f(xm) Precisão a b

 - 0 1 0.5 -1 0.632121 -0.106531 1 0.1000 1. - 0.5 1 0.75 -0.106531 0.632121 0.277633 0.5 0.1000 0. - 0.5 0.75 0.625 -0.106531 0.277633 0.089739 0.25 0.1000 0. - 0.5 0.625 0.5625 -0.106531 0.089739 -0.007283 0.125 0.1000 0. 
  • 0.5625 0.625 0.59375 -0.007283 0.089739 0.041498 0.0625 0.1563 0.
  • 0.5625 0.59375 0.578125 -0.007283 0.041498 0.017176 0.03125 0.1563 0.
  • 0.5625 0.578125 0.570313 -0.007283 0.017176 0.004964 0.015625 0.1563 0.
  • 0.5625 0.570313 0.566406 -0.007283 0.004964 -0.001155 0.007813 0.1633 0.
  • 0.566406 0.570313 0.568359 -0.001155 0.004964 0.001905 0.003906 0.1633 0.
  • 0.566406 0.568359 0.567383 -0.001155 0.001905 0.000375 0.001953 0.1650 0.
  • 0.566406 0.567383 0.566895 -0.001155 0.000375 -0.00039 0.000977 0.1659 0.
  • 0.566895 0.567383 0.567139 -0.00039 0.000375 -7.24E-06 0.000488 0.1664 0.
  • 0.567139 0.567383 0.567261 -7.24E-06 0.000375 0.000184 0.000244 0.1666 0.
  • 0.567139 0.567261 0.5672 -7.24E-06 0.000184 8.841E-05 0.000122 0.1666 0. - 0.1666 0. - 0.1667 0.
  • 0.567139 0.5672 0.567169 -7.24E-06 8.841E-05 4.059E-05 6.104E-
  • 0.567139 0.567154 0.567146 -7.24E-06 1.667E-05 4.718E-06 1.526E-05 0.1000 1. 0.567139 0.567169 0.567154 -7.24E-06 4.059E-05 1.667E-05 3.052E-05 a b
  • 0.567139 0.567146 0.567142 -7.24E-06 4.718E-06 -1.26E-06 7.629E-06 0.5500 1. - 0.7750 1. - 0.7750 0. - 0.7750 0. - 0.7750 0. - 0.7750 0. - 0.7820 0. - 0.7820 0. - 0.7838 0. - 0.7847 0. - 0.7851 0. - 0.7853 0. - 0.7853 0. - 0.7854 0. - 0.7854 0.
  • 0.5500 8.9701 -1.2851 -3.2738 0. xm f(a) f(b) f(xm) Precisão
  • 0.3250 8.9701 -3.2738 -6.5315 0.
  • 0.2125 8.9701 -6.5315 -18.5275 0.
  • 0.1563 8.9701 -18.5275 70.4843 0.
  • 0.1844 70.4843 -18.5275 -44.8314 0.
  • 0.1703 70.4843 -44.8314 -209.7298 0.
  • 0.1633 70.4843 -209.7298 221.4142 0.
  • 0.1668 221.4142 -209.7298 -5814.8904 0.
  • 0.1650 221.4142 -5814.8904 462.8722 0.
  • 0.1659 462.8722 -5814.8904 1008.7678 0.
  • 0.1664 1008.7678 -5814.8904 2445.3293 0.
  • 0.1666 2445.3293 -5814.8904 8452.7634 0.
  • 0.1667 8452.7634 -5814.8904 -37203.7308 0.
  • 0.1666 8452.7634 -37203.7308 21881.1443 0.
  • 0.1667 21881.1443 -37203.7308 106288.1091 0.
  • 0.1667 106288.1091 -37203.7308 -114468.5677 0.
  • 0.5500 0.4622 -3.4364 4.6425 0. xm f(a) f(b) f(xm) Precisão
  • 0.7750 4.6425 -3.4364 0.0550 0.
  • 0.8875 0.0550 -3.4364 -0.6621 0.
  • 0.8313 0.0550 -0.6621 -0.2574 0.
  • 0.8031 0.0550 -0.2574 -0.0957 0.
  • 0.7891 0.0550 -0.0957 -0.0195 0.
  • 0.7820 0.0550 -0.0195 0.0179 0.
  • 0.7855 0.0179 -0.0195 -0.0008 0.
  • 0.7838 0.0179 -0.0008 0.0085 0.
  • 0.7847 0.0085 -0.0008 0.0039 0.
  • 0.7851 0.0039 -0.0008 0.0015 0.
  • 0.7853 0.0015 -0.0008 0.0004 0.
  • 0.7854 0.0004 -0.0008 -0.0002 0.
  • 0.7854 0.0004 -0.0002 0.0001 0.
  • 0.7854 0.0001 -0.0002 -0.0001 0.
  • 0.7854 0.0001 -0.0001 0.0000 0.
  • 1.0000 0.6321 1.3679 0.4621 1 -1.2850972089 4. x f(x) f'(x) f(x)/f'(x) x f(x) f'(x)
  • 0.5379 -0.0461 1.5840 -0.0291 1.304405 -0.3340865429 3.
  • 0.5670 -0.0002 1.5672 -0.0002 1.408606 -0.0170779855 3.
  • 0.5671 0.0000 1.5671 0.0000 1.414201 -3.933616E-05 3.
    • 1.0000 -3.4364 107. x f(x) f'(x)
    • 1.0319 -11.0167 -297.
    • 0.9948 -3.0687 -26.
    • 0.8777 -0.5792 -3.
    • 0.7025 0.4549 -2.
    • 0.8826 -0.6201 -3.
    • 0.7027 0.4535 -2.
    • 0.8825 -0.6192 -3.
    • 0.7027 0.4536 -2.
    • 0.8825 -0.6192 -3.
    • 0.7027 0.4536 -2.
    • 0.8825 -0.6192 -3.
    • 0.7027 0.4536 -2.
    • 0.8825 -0.6192 -3.
    • 0.7027 0.4536 -2.
    • 0.8825 -0.6192 -3.
    • 0.7027 0.4536 -2.
    • 0.8825 -0.6192 -3.
  • -0. f(x)/f'(x)
  • -0.
  • -0.
      • -0. f(x)/f'(x)
      • -0.
      • -0.
      • -0.
      • -0.
      • -0.
      • -0.
      • -0.
  • 1.0000 0.0000 0.6321 -1.0000 0.3873 1.5000 0.5000 0. xn xn-1 f(xn) f(xn-1) delta xn xn-1 f(xn)
  • 0.6127 1.0000 0.0708 0.6321 0.0489 1.4333 1.5000 0.
  • 0.5638 0.6127 -0.0052 0.0708 -0.0033 1.4143 1.4333 0.
  • 0.5672 0.5638 0.0000 -0.0052 0.0000 1.4142 1.4143 0.
  • 0.5671 0.5672 0.0000 0.0000 0.0000 1.4142 1.4142 0.
  • 0.5671 0.5671 0.0000 0.0000 0.
    • 1.5000 0.5000 -2. xn xn-1 f(xn)
    • 2.7019 1.5000 2.
    • 2.0719 2.7019 -10.
    • 2.5634 2.0719 -4.
    • 2.9581 2.5634 -0.
    • 3.0479 2.9581 -2.
    • 2.9168 3.0479 -0.
    • 2.8956 2.9168 -0.
    • 2.8803 2.8956 -0.
    • 2.8798 2.8803 0.
    • 2.8798 2.8798 0.
    • -3.6678 0. f(xn-1) delta
      • 0.2620 0.
      • 0.0583 0.
      • 0.0002 0.
      • 0.0000 0.
    • -4.9605 -1. f(xn-1) delta
    • -2.7077 0.
      • 2.9832 -0.
  • -10.5889 -0.
    • -4.7157 -0.
    • -0.8738 0.
    • -2.7716 0.
    • -0.3856 0.
    • -0.1620 0.
    • -0.0048 0.
      • 0.0000 0.
  • x y x y x y h=0,05 erro h=0, h=0,05 0.025 0.01 exata
    • 0.00 1.0000000 0 1 0.000 1.000
    • 0.05 1.2500000 0.025 1.1250000 0.01 1.0500 1.275416 2.033262 1.
    • 0.10 1.5475000 0.05 1.2618750 0.02 1.1019 1.609042 3.976855 1.
    • 0.15 1.9020000 0.075 1.4118125 0.03 1.1558 2.013766 5.87624 1.
    • 0.20 2.3249000 0.1 1.5761188 0.04 1.2117 2.50533 7.760758 1.
    • 0.25 2.8298800 0.125 1.7562306 0.05 1.2698 3.10296 9.649868 1.
    • 0.30 3.4333560 0.15 1.9537287 0.06 1.3301 3.830139 11.55671 2.
    • 0.35 4.1550272 0.175 2.1703516 0.07 1.3927 4.71555 13.49023 2.
    • 0.40 5.0185326 0.2 2.4080117 0.08 1.4577 5.794226 15.45658 2.
    • 0.45 6.0522392 0.225 2.6688129 0.09 1.5252 7.108956 17.45994 2.
    • 0.50 7.2901870 0.25 2.9550692 0.1 1.5953 8.712004 19.50316 3.
    • 0.55 8.7732244 0.275 3.2693261 0.11 1.6681 10.6672 21.58818 3.
    • 0.60 10.5503693 0.3 3.6143837 0.12 1.7437 13.05252 23.71626 3.
    • 0.65 12.6804431 0.325 3.9933221 0.13 1.8223 15.96319 25.88826 4.
    • 0.70 15.2340318 0.35 4.4095293 0.14 1.9039 19.51552 28.10475 4.
    • 0.75 18.2958381 0.375 4.8667322 0.15 1.9886 23.85158 30.36612 5.
    • 0.80 21.9675057 0.4 5.3690304 0.16 2.0767 29.14488 32.67268 5.
    • 0.85 26.3710069 0.425 5.9209335 0.17 2.1681 35.60737 35.02468 6.
    • 0.90 31.6527083 0.45 6.5274018 0.18 2.2632 43.4979 37.42237 7.
    • 0.95 37.9882499 0.475 7.1938920 0.19 2.3619 53.13266 39.86603 7.
    • 1.00 45.5883999 0.5 7.9264062 0.2 2.4645 64.8978 42.35596 8.
    • 1.05 54.7060799 0.525 8.7315468 0.21 2.5710 79.26502 44.89252 9.
    • 1.10 65.6447959 0.55 9.6165765 0.22 2.6818 96.81041 47.47613 10.
    • 1.15 78.7687550 0.575 10.5894841 0.23 2.7968 118.2376 50.10727 11.
    • 1.20 94.5150061 0.6 11.6590576 0.24 2.9164 144.4061 52.78645 13.
    • 1.25 113.4080073 0.625 12.8349633 0.25 3.0407 176.3656 55.51426 14.
    • 1.30 136.0771087 0.65 14.1278346 0.26 3.1698 215.3983 58.29135 15.
    • 1.35 163.2775305 0.675 15.5493681 0.27 3.3040 263.0701 61.11838 17.
    • 1.40 195.9155366 0.7 17.1124299 0.28 3.4435 321.2939 63.99611 19.
    • 1.45 235.0786439 0.725 18.8311729 0.29 3.5884 392.4057 66.9253 21.
    • 1.50 282.0718726 0.75 20.7211652 0.3 3.7390 479.2592 69.90676 23.
    • 1.55 338.4612472 0.775 22.7995317 0.31 3.8956 585.3395 72.94136 26.
    • 1.60 406.1259966 0.8 25.0851099 0.32 4.0583 714.9035 76.02997 29.
    • 1.65 487.3211959 0.825 27.5986209 0.33 4.2275 873.1505 79.17352 32.
    • 1.70 584.7529351 0.85 30.3628580 0.34 4.4033 1066.431 82.37295 35.
    • 1.75 701.6685221 0.875 33.4028938 0.35 4.5860 1302.502 85.62923 39.
    • 1.80 841.9647265 0.9 36.7463081 0.36 4.7759 1590.837 88.94337 43.
    • 1.85 1010.3176719 0.925 40.4234389 0.37 4.9734 1943.007 92.31639 48.
    • 1.90 1212.3387062 0.95 44.4676578 0.38 5.1786 2373.145 95.74935 53.
    • 1.95 1454.7614475 0.975 48.9156736 0.39 5.3919 2898.515 99.24331 58.
    • 2.00 1745.6662370 1 53.8078660 0.4 5.6137 3540.2 102.7994 64.
      • 1.025 59.1886526 0.41 5.8443 45.
      • 1.075 71.6163321 0.43 6. 1.05 65.1068928 0.42 6.0839 erro - 1.1 78.7760903 0.44 6.
      • 1.125 86.6511994 0.45 6.
        • 1.15 95.3131943 0.46 7.
      • 1.175 104.8407637 0.47 7.
      • 1.2 115.3204651 0.48 7.
  • 1.225 126.8475116 0.49 8.
    • 1.25 139.5266378 0.5 8.
  • 1.275 153.4730516 0.51 8. - 1.3 168.8134817 0.52 9.
  • 1.325 185.6873299 0.53 9.
    • 1.35 204.2479379 0.54 9.
  • 1.375 224.6639817 0.55 10. - 1.4 247.1210049 0.56 10.
  • 1.425 271.8231053 0.57 11.
    • 1.45 298.9947909 0.58 11.
  • 1.475 328.8830200 0.59 11. - 1.5 361.7594470 0.6 12.
  • 1.525 397.9228917 0.61 12.
    • 1.55 437.7020558 0.62 13.
  • 1.575 481.4585114 0.63 14. - 1.6 529.5899875 0.64 14.
  • 1.625 582.5339863 0.65 15.
    • 1.65 640.7717599 0.66 15.
  • 1.675 704.8326859 0.67 16. - 1.7 775.2990795 0.68 17.
  • 1.725 852.8114875 0.69 17.
    • 1.75 938.0745112 0.7 18.
  • 1.775 1031.8632123 0.71 19. - 1.8 1135.0301586 0.72 19.
  • 1.825 1248.5131744 0.73 20.
    • 1.85 1373.3438668 0.74 21.
  • 1.875 1510.6570035 0.75 22. - 1.9 1661.7008289 0.76 23.
  • 1.925 1827.8484118 0.77 24.
    • 1.95 2010.6101280 0.78 25.
  • 1.975 2211.6473907 0.79 26. - 2 2432.7877548 0.8 27. - 0.81 28. - 0.82 29. - 0.83 30. - 0.84 32. - 0.85 33. - 0.86 34. - 0.87 36. - 0.88 37. - 0.89 38. - 0.9 40. - 0.91 42. - 0.92 43. - 0.93 45. - 0.94 47. - 0.95 49. - 0.96 51. - 0.97 53.
  • 0.98 55.
  • 0.99 57.
    • 1 60.
  • 1.01 62. - 64.
  • erro h=0,