What is the error in this data for Power flow solution by Newton-Raphson method?

Question

Yasir Ghazi 2018-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/378792-what-is-the-error-in-this-data-for-power-flow-solution-by-newton-raphson-method

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% |Bus | Type | Vsp | theta | PGi | QGi | PLi | QLi | Qmin | Qmax | busdat36 =[1 3 1.000 0 0.0 0.0 0.0 0.0 0.0 0.0; 2 2 0.9824 0 196 72.8 198.2 118.4 -240 360; 3 3 1.000 0 0.0 0.0 404.1 239.3 0.0 0.0; 4 2 1.0013 0 344.7 128.4 0.0 0.0 -420 510; 5 3 1.000 0 0.0 0.0 0.0 0.0 0.0 0.0; 6 2 0.9932 0 304.3 182.1 469.2 182 -307 567; 7 2 0.9613 0 119.2 54 119.2 54 -100 150; 8 3 1.000 0 0.0 0.0 776.2 383 0.0 0.0; 9 3 1.000 0 0.0 0.0 457.8 273.3 0.0 0.0; 10 3 1.000 0 0.0 0.0 391 94 0.0 0.0; 11 3 1.000 0 0.0 0.0 569.7 164.8 0.0 0.0; 12 2 0.9431 0 688.9 421.4 221.6 141.6 -160 540; 13 3 1.000 0 0.0 0.0 297.5 213.4 0.0 0.0; 14 3 1.000 0 0.0 0.0 622 315 0.0 0.0; 15 2 0.9650 0 957.2 410.4 0.0 0.0 -350 650; 16 2 0.9873 0 478.8 202.3 0.0 0.0 -350 650; 17 2 0.9860 0 120.2 50.9 0.0 0.0 -200 240; 18 3 1.000 0 0.0 0.0 133.5 73.4 0.0 0.0; 19 3 1.000 0 0.0 0.0 387.7 272.3 0.0 0.0; 20 1 1.0064 0 0.0 0.0 1615 432.2 0.0 0.0; 21 2 0.9434 0 555 230.7 157.8 23.2 -240 280; 22 2 0.9432 0 134.3 95.5 0.0 0.0 -200 240; 23 3 1.000 0 0.0 0.0 510.8 341.8 0.0 0.0; 24 2 0.9618 0 579.6 332.6 0.0 0.0 -500 600; 25 2 0.9343 0 315.6 178.8 315.6 178.8 -200 240; 26 2 0.9419 0 300.3 183.4 0.0 0.0 -200 240; 27 3 1.000 0 0.0 0.0 766 552.5 0.0 0.0; 28 2 0.9380 0 389.7 177.4 746 521.5 -240 280; 29 2 0.9909 0 358.8 69.6 154.4 172.8 -200 240; 30 3 1.000 0 0.0 0.0 136 66 0.0 0.0; 31 2 1.0048 0 236.8 76.2 236.8 76.2 -100 100; 32 2 1.0141 0 186 30.2 233.3 193.2 -80 80 ; 33 2 1.0112 0 835 89.7 211.8 89.7 -500 850; 34 3 1.000 0 223 11 223 11 0.0 0.0; 35 2 1.0299 0 645.6 227.2 0.0 0.0 -500 600; 36 2 1.0039 0 275.4 49.6 275.4 49.4 -200 240 ];

% | From | To | R | X | B/2 | X'mer | % | Bus | Bus | pu | pu | pu | TAP (a) | linedat36 = [1 2 0.003142 0.028565 0.4231825 1 1 3 0.002015 0.018321 0.2714205 1 3 5 0.001409 0.012805 0.1897025 1 4 5 0.000271 0.002462 0.0364815 1 4 5 0.000271 0.002462 0.0364815 1 5 6 0.002449 0.022261 0.3297905 1 6 18 0.004018 0.036387 0.5404225 1 8 11 0.000932 0.008471 0.1254955 1 8 14 0.000854 0.007167 0.1098345 1 9 13 0.000966 0.008786 0.130165 1 9 14 0.001236 0.010125 0.1567465 1 9 15 0.000365 0.002989 0.046272 1 9 21 0.00122 0.01015 0.159485 1 9 27 0.00308 0.02795 0.414135 1 10 11 0.00029 0.00262 0.038815 1 10 13 0.000779 0.006633 0.100986 1 10 18 0.000919 0.008192 0.122365 1 11 12 0.000185 0.001513 0.023425 1 11 12 0.000185 0.001513 0.023425 1 13 16 0.000775 0.006351 0.098328 1 13 18 0.001553 0.013464 0.203447 1 13 20 0.002338 0.020124 0.304985 1 13 20 0.002338 0.020124 0.304985 1 14 22 0.002307 0.019847 0.304169 1 15 16 0 0.0001 0 1 17 18 0.002508 0.020548 0.31812 1 19 20 0.001728 0.01542 0.2301905 1 19 20 0.001728 0.01542 0.2301905 1 19 28 0.00432 0.03928 0.58195 1 19 13 0.00479 0.04354 0.64499 1 21 22 0.000125 0.001043 0.0163955 1 21 23 0.00081 0.00673 0.105825 1 21 23 0.00081 0.00673 0.105825 1 23 24 0.000898 0.00736 0.113945 1 23 27 0.00233 0.01935 0.30406 1 24 26 0.002062 0.016897 0.2615985 1 26 27 0.000604 0.00495 0.076638 1 27 28 0.00383 0.03485 0.51628 1 28 33 0.00346 0.031232 0.464823 1 13 30 0.00169 0.015366 0.227643 1 30 31 0.00122 0.011091 0.1643115 1 31 32 0.00118 0.01076 0.15935 1 31 32 0.00118 0.01076 0.15935 1 31 34 0.000672 0.006107 0.0904735 1 32 33 0.001488 0.013305 0.1992395 1 32 34 0.000563 0.005122 0.075881 1 34 35 0.000103 0.000841 0.013014 1];