Regra-trapezio

  [1] -5.0 -4.9 -4.8 -4.7 -4.6 -4.5 -4.4 -4.3 -4.2 -4.1 -4.0 -3.9 -3.8 -3.7 -3.6
 [16] -3.5 -3.4 -3.3 -3.2 -3.1 -3.0 -2.9 -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 -2.2 -2.1
 [31] -2.0 -1.9 -1.8 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1.0 -0.9 -0.8 -0.7 -0.6
 [46] -0.5 -0.4 -0.3 -0.2 -0.1  0.0  0.1  0.2  0.3  0.4  0.5  0.6  0.7  0.8  0.9
 [61]  1.0  1.1  1.2  1.3  1.4  1.5  1.6  1.7  1.8  1.9  2.0  2.1  2.2  2.3  2.4
 [76]  2.5  2.6  2.7  2.8  2.9  3.0  3.1  3.2  3.3  3.4  3.5  3.6  3.7  3.8  3.9
 [91]  4.0  4.1  4.2  4.3  4.4  4.5  4.6  4.7  4.8  4.9  5.0
  [1] 0.03846154 0.03998401 0.04159734 0.04330879 0.04512635 0.04705882
  [7] 0.04911591 0.05130836 0.05364807 0.05614823 0.05882353 0.06169031
 [13] 0.06476684 0.06807352 0.07163324 0.07547170 0.07961783 0.08410429
 [19] 0.08896797 0.09425071 0.10000000 0.10626993 0.11312217 0.12062726
 [25] 0.12886598 0.13793103 0.14792899 0.15898251 0.17123288 0.18484288
 [31] 0.20000000 0.21691974 0.23584906 0.25706941 0.28089888 0.30769231
 [37] 0.33783784 0.37174721 0.40983607 0.45248869 0.50000000 0.55248619
 [43] 0.60975610 0.67114094 0.73529412 0.80000000 0.86206897 0.91743119
 [49] 0.96153846 0.99009901 1.00000000 0.99009901 0.96153846 0.91743119
 [55] 0.86206897 0.80000000 0.73529412 0.67114094 0.60975610 0.55248619
 [61] 0.50000000 0.45248869 0.40983607 0.37174721 0.33783784 0.30769231
 [67] 0.28089888 0.25706941 0.23584906 0.21691974 0.20000000 0.18484288
 [73] 0.17123288 0.15898251 0.14792899 0.13793103 0.12886598 0.12062726
 [79] 0.11312217 0.10626993 0.10000000 0.09425071 0.08896797 0.08410429
 [85] 0.07961783 0.07547170 0.07163324 0.06807352 0.06476684 0.06169031
 [91] 0.05882353 0.05614823 0.05364807 0.05130836 0.04911591 0.04705882
 [97] 0.04512635 0.04330879 0.04159734 0.03998401 0.03846154
[1] 2.746795