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愛新覺羅丁新蟲 (初入文壇)
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[求助]
渦旋型線擬合，變徑基圓 已有1人參與
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程序碼好，請(qǐng)求前輩們幫忙擬合一下，1stOpt Parameter R,a,c,x0,y0; ParVariable t[0,5*pi]; Variable x,y; SharedModel; Function x=R*((1+c*t)*cos(t)+(t+a+c*t^2/2)*sin(t))+x0; y=R*((1+c*t)*sin(t)-(t+a+c*t^2/2)*cos(t))+y0; Data; 468.1768 200.8162 467.8859 200.3553 467.5676 199.9052 467.2155 199.4618 466.8427 199.0429 466.4536 198.6497 466.0419 198.2753 465.6161 197.9272 465.1741 197.6012 464.7198 197.3031 464.2438 197.0198 463.753 196.7616 463.2533 196.5298 462.7366 196.3172 462.2111 196.133 461.6776 195.9758 461.1354 195.8379 460.5805 195.7278 460.0222 195.6469 459.4509 195.5855 458.9012 195.5568 458.3649 195.5508 457.8315 195.5665 457.2993 195.6051 456.7692 195.6648 456.2127 195.751 453.7178 196.4506 451.4113 197.6301 449.3547 199.2097 447.6248 201.1185 446.2382 203.3107 445.2422 205.7135 444.6521 208.235 444.4724 210.7887 444.569 212.462 444.677 213.2893 445.035 214.9867 445.8675 217.4075 447.0432 219.6837 448.5403 221.7791 450.3151 223.6503 452.3356 225.2648 454.5443 226.5849 456.9127 227.6001 459.3983 228.2998 461.9475 228.6748 464.5017 228.7262 467.0452 228.4635 468.5327 228.1609 469.5664 227.8857 470.9753 227.4145 473.3192 226.3791 475.5284 225.0741 477.5668 223.521 479.4145 221.7546 481.0574 219.774 482.4715 217.6268 483.6251 215.3264 484.5335 212.9007 485.1798 210.392 485.5518 207.8326 485.6396 206.4649 485.6504 205.276 485.5919 203.9182 485.4753 202.7256 485.28 201.3901 485.0338 200.1573 484.7118 198.9032 483.8978 196.4839 482.8338 194.1519 481.5498 191.9409 480.0496 189.8581 478.3404 187.9296 476.4685 186.1844 474.4326 184.6273 472.2479 183.2649 469.956 182.1224 467.5627 181.2006 465.0895 180.5032 462.5645 180.0368 460.0282 179.8102 457.4871 179.8079 455.628 179.9541 453.1219 180.3461 450.6498 180.956 448.2437 181.7822 445.9088 182.819 443.6709 184.0602 441.5587 185.4763 439.5698 187.0771 437.7159 188.8481 436.0183 190.7682 434.4875 192.8324 433.1342 195.0189 431.9683 197.3135 431.0008 199.6862 430.2264 202.1353 429.6558 204.6468 429.2928 207.2 429.1377 209.7398 429.1879 212.2921 429.4363 214.8192 429.7668 216.7324 430.3625 219.2224 431.1543 221.6399 432.1472 224.0122 433.3205 226.2744 434.6711 228.4457 436.1722 230.5207 437.8216 232.4803 439.6136 234.3106 441.542 236.0078 443.5879 237.5515 445.7443 238.9422 448.0016 240.1708 450.3384 241.2245 452.7417 242.1046 455.2115 242.8018 457.7295 243.3108 460.2836 243.6289 462.8214 243.7576 465.3235 243.7035 467.4488 243.5126 469.96 243.1134 472.4388 242.5272 474.8681 241.7638 477.2474 240.8345 479.554 239.748 481.787 238.508 483.9262 237.1185 485.9754 235.5851 487.9201 233.9151 489.7418 232.117 491.4473 230.1905 493.0139 228.1591 494.4342 226.0248 495.7119 223.8008 496.833 221.4951 497.7926 219.1241 498.5874 216.6922 499.2173 214.2026 499.6756 211.6607 499.9483 209.1018 500.0403 206.5559 499.9583 204.0131 499.701 201.4765 499.2677 198.9743 498.6517 196.495 497.8712 194.0663 @beefly |
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愛新覺羅丁
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