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xulianjing銀蟲 (小有名氣)
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[求助]
這個(gè)編號(hào)后為什么1stopt沒有反應(yīng)，不能執(zhí)行
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這是寫的代碼 Title "Type your title here"; Parameters a,b,c,e,f,g,,h,i; Variable x,y; Function y=a*exp(-x^2/b)+c*exp(-(x-170.505)^2/e)+c*exp(-(x+170.505)^2/e)+f/(x^2+g)+h/((x-170.505)^2+i)+h/((x+170.505)^2+i) ; Data; 550 .9289575 552.4457 .9243243 554.8914 .9289575 557.337 .9289575 559.7826 .9277992 562.2283 .9266409 564.674 .9289575 567.1196 .9289575 572.0109 .923166 574.4565 .923166 576.9022 .9243243 579.3478 .9243243 581.7935 .9254826 584.2391 .9312741 586.6848 .9335907 589.1305 .9359073 591.5761 .9382239 594.0217 .9393822 596.4674 .9428571 598.9131 .9474903 601.3587 .9486486 603.8043 .9544401 606.25 .9544401 608.6957 .9532818 611.1414 .9521235 613.587 .9521235 616.0327 .9440154 618.4783 .9405406 620.924 .9382239 623.3696 .9382239 625.8152 .9393822 628.2609 .9335907 630.7065 .9324324 633.1522 .9312741 635.5978 .9312741 638.0435 .9312741 640.4891 .9301158 642.9348 .9277992 645.3804 .9289575 647.8261 .9301158 650.2717 .9301158 652.7174 .9277992 655.1631 .9266409 657.6087 .9289575 660.0544 .9301158 662.5 .9301158 664.9457 .9266409 667.3913 .9277992 669.837 .9289575 672.2827 .9266409 677.174 .9277992 679.6196 .9289575 682.0652 .9266409 684.5109 .9289575 689.4022 .9277992 691.8478 .9254826 694.2935 .9277992 696.7391 .9277992 699.1848 .9277992 704.0761 .923166 706.5217 .9254826 708.9674 .9289575 711.4131 .9208494 713.8587 .9208494 716.3044 .923166 718.75 .9243243 721.1957 .9277992 723.6413 .9289575 726.087 .9301158 728.5327 .9266409 730.9783 .9243243 733.424 .9277992 735.8696 .9289575 738.3152 .9301158 740.7609 .9254826 743.2065 .9254826 745.6522 .923166 748.0978 .923166 750.5435 .9324324 752.9891 .9324324 755.4348 .9359073 757.8804 .9416988 760.3261 .9428571 762.7717 .9509652 765.2174 .9486486 767.6631 .9683397 770.1087 .9972973 772.5544 1.043629 775 1.089961 777.4457 1.092278 779.8913 1.096911 782.337 1.050579 784.7827 1.012355 787.2283 .9833977 789.674 .9579151 792.1196 .9428571 794.5652 .9405406 797.0109 .9359073 799.4565 .9335907 804.3478 .9289575 806.7935 .9254826 809.2391 .9243243 811.6848 .923166 814.1304 .9243243 816.5761 .923166 819.0218 .9243243 821.4674 .923166 826.3587 .9266409 828.8044 .923166 833.6957 .9289575 836.1413 .9220077 838.587 .923166 841.0327 .923166 843.4783 .923166 845.924 .9266409 848.3696 .9266409 850.8152 .9266409 853.2609 .9277992 855.7065 .9243243 858.1522 .9243243 860.5978 .9277992 863.0435 .9277992 865.4891 .9277992 867.9348 .9243243 870.3804 .9208494 872.8261 .9220077 875.2718 .9266409 877.7174 .9266409 880.1631 .9289575 882.6087 .9289575 885.0544 .9289575 887.5 .9266409 889.9457 .9254826 892.3914 .9254826 894.837 .9266409 897.2827 .9277992 899.7283 .9301158 902.174 .9301158 904.6196 .9301158 907.0652 .9277992 909.5109 .9301158 911.9565 .9335907 914.4022 .9312741 916.8478 .9254826 919.2935 .9266409 921.7391 .9277992 924.1848 .9277992 929.0761 .9335907 931.5218 .9393822 933.9674 .9440154 936.4131 .9440154 938.8587 .9428571 941.3044 .9393822 943.75 .9451737 946.1957 .9474903 948.6414 .9544401 951.087 .9555985 953.5327 .9544401 955.9783 .9486486 958.424 .9440154 960.8696 .9405406 963.3152 .9335907 965.7609 .9335907 968.2065 .9312741 970.6522 .934749 973.0978 .9324324 975.5435 .9335907 977.9891 .9324324 980.4348 .9289575 982.8804 .9243243 985.3261 .9289575 990.2174 .9301158 995.1087 .9289575 997.5544 .9277992 |
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xulianjing
銀蟲 (小有名氣)
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5樓2013-10-18 20:10:31
dingd
鐵桿木蟲 (職業(yè)作家)
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【答案】應(yīng)助回帖
★
感謝參與，應(yīng)助指數(shù) +1
csgt0: 金幣+1, 謝謝 2013-10-18 09:36:01
感謝參與，應(yīng)助指數(shù) +1
csgt0: 金幣+1, 謝謝 2013-10-18 09:36:01
| “Parameters a,b,c,e,f,g,,h,i;”中g(shù)和h間多了個(gè)逗號(hào)。 |
» 本帖已獲得的紅花（最新10朵）
2樓2013-10-17 16:11:17
xulianjing
銀蟲 (小有名氣)
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送紅花一朵 |
但是你看這結(jié)果，最后y的計(jì)算值全為零，怎么辦 "Type your title here" 迭代數(shù): 21 計(jì)算用時(shí)(時(shí):分:秒:微秒): 00:00:10:855 優(yōu)化算法: 準(zhǔn)牛頓法(BFGS) + 通用全局優(yōu)化法 計(jì)算結(jié)束原因: 達(dá)到收斂判斷標(biāo)準(zhǔn) 均方差(RMSE): 0.937506071323823 殘差平方和(SSE): 152.931668275811 相關(guān)系數(shù)(R): 0 相關(guān)系數(shù)之平方(R^2): 0 決定系數(shù)(DC): -100 卡方系數(shù)(Chi-Square): 163.0586812 F統(tǒng)計(jì)(F-Statistic): 0 參數(shù) 最佳估算 ---------- ------------- a 0.900715064490214 b 0.0980160213075578 c 0.958751428639516 e 0.259802284650505 f 0.133029177086428 g 0.494544279295951 h 0.306610881118104 i 0.777338797226548 ====== 結(jié)果輸出 ===== No 實(shí)測(cè)值y 計(jì)算值y 1 0.9289575 0.0000000 2 0.9243243 0.0000000 3 0.9289575 0.0000000 4 0.9289575 0.0000000 5 0.9277992 0.0000000 6 0.9266409 0.0000000 7 0.9289575 0.0000000 8 0.9289575 0.0000000 9 0.923166 0.0000000 10 0.923166 0.0000000 11 0.9243243 0.0000000 12 0.9243243 0.0000000 13 0.9254826 0.0000000 14 0.9312741 0.0000000 15 0.9335907 0.0000000 16 0.9359073 0.0000000 17 0.9382239 0.0000000 18 0.9393822 0.0000000 19 0.9428571 0.0000000 20 0.9474903 0.0000000 21 0.9486486 0.0000000 22 0.9544401 0.0000000 23 0.9544401 0.0000000 24 0.9532818 0.0000000 25 0.9521235 0.0000000 26 0.9521235 0.0000000 27 0.9440154 0.0000000 28 0.9405406 0.0000000 29 0.9382239 0.0000000 30 0.9382239 0.0000000 31 0.9393822 0.0000000 32 0.9335907 0.0000000 33 0.9324324 0.0000000 34 0.9312741 0.0000000 35 0.9312741 0.0000000 36 0.9312741 0.0000000 37 0.9301158 0.0000000 38 0.9277992 0.0000000 39 0.9289575 0.0000000 40 0.9301158 0.0000000 41 0.9301158 0.0000000 42 0.9277992 0.0000000 43 0.9266409 0.0000000 44 0.9289575 0.0000000 45 0.9301158 0.0000000 46 0.9301158 0.0000000 47 0.9266409 0.0000000 48 0.9277992 0.0000000 49 0.9289575 0.0000000 50 0.9266409 0.0000000 51 0.9277992 0.0000000 52 0.9289575 0.0000000 53 0.9266409 0.0000000 54 0.9289575 0.0000000 55 0.9277992 0.0000000 56 0.9254826 0.0000000 57 0.9277992 0.0000000 58 0.9277992 0.0000000 59 0.9277992 0.0000000 60 0.923166 0.0000000 61 0.9254826 0.0000000 62 0.9289575 0.0000000 63 0.9208494 0.0000000 64 0.9208494 0.0000000 65 0.923166 0.0000000 66 0.9243243 0.0000000 67 0.9277992 0.0000000 68 0.9289575 0.0000000 69 0.9301158 0.0000000 70 0.9266409 0.0000000 71 0.9243243 0.0000000 72 0.9277992 0.0000000 73 0.9289575 0.0000000 74 0.9301158 0.0000000 75 0.9254826 0.0000000 76 0.9254826 0.0000000 77 0.923166 0.0000000 78 0.923166 0.0000000 79 0.9324324 0.0000000 80 0.9324324 0.0000000 81 0.9359073 0.0000000 82 0.9416988 0.0000000 83 0.9428571 0.0000000 84 0.9509652 0.0000000 85 0.9486486 0.0000000 86 0.9683397 0.0000000 87 0.9972973 0.0000000 88 1.043629 0.0000000 89 1.089961 0.0000000 90 1.092278 0.0000000 91 1.096911 0.0000000 92 1.050579 0.0000000 93 1.012355 0.0000000 94 0.9833977 0.0000000 95 0.9579151 0.0000000 96 0.9428571 0.0000000 97 0.9405406 0.0000000 98 0.9359073 0.0000000 99 0.9335907 0.0000000 100 0.9289575 0.0000000 101 0.9254826 0.0000000 102 0.9243243 0.0000000 103 0.923166 0.0000000 104 0.9243243 0.0000000 105 0.923166 0.0000000 106 0.9243243 0.0000000 107 0.923166 0.0000000 108 0.9266409 0.0000000 109 0.923166 0.0000000 110 0.9289575 0.0000000 111 0.9220077 0.0000000 112 0.923166 0.0000000 113 0.923166 0.0000000 114 0.923166 0.0000000 115 0.9266409 0.0000000 116 0.9266409 0.0000000 117 0.9266409 0.0000000 118 0.9277992 0.0000000 119 0.9243243 0.0000000 120 0.9243243 0.0000000 121 0.9277992 0.0000000 122 0.9277992 0.0000000 123 0.9277992 0.0000000 124 0.9243243 0.0000000 125 0.9208494 0.0000000 126 0.9220077 0.0000000 127 0.9266409 0.0000000 128 0.9266409 0.0000000 129 0.9289575 0.0000000 130 0.9289575 0.0000000 131 0.9289575 0.0000000 132 0.9266409 0.0000000 133 0.9254826 0.0000000 134 0.9254826 0.0000000 135 0.9266409 0.0000000 136 0.9277992 0.0000000 137 0.9301158 0.0000000 138 0.9301158 0.0000000 139 0.9301158 0.0000000 140 0.9277992 0.0000000 141 0.9301158 0.0000000 142 0.9335907 0.0000000 143 0.9312741 0.0000000 144 0.9254826 0.0000000 145 0.9266409 0.0000000 146 0.9277992 0.0000000 147 0.9277992 0.0000000 148 0.9335907 0.0000000 149 0.9393822 0.0000000 150 0.9440154 0.0000000 151 0.9440154 0.0000000 152 0.9428571 0.0000000 153 0.9393822 0.0000000 154 0.9451737 0.0000000 155 0.9474903 0.0000000 156 0.9544401 0.0000000 157 0.9555985 0.0000000 158 0.9544401 0.0000000 159 0.9486486 0.0000000 160 0.9440154 0.0000000 161 0.9405406 0.0000000 162 0.9335907 0.0000000 163 0.9335907 0.0000000 164 0.9312741 0.0000000 165 0.934749 0.0000000 166 0.9324324 0.0000000 167 0.9335907 0.0000000 168 0.9324324 0.0000000 169 0.9289575 0.0000000 170 0.9243243 0.0000000 171 0.9289575 0.0000000 172 0.9301158 0.0000000 173 0.9289575 0.0000000 174 0.9277992 0.0000000 1stopt.jpg |
3樓2013-10-17 16:49:24
dingd
鐵桿木蟲 (職業(yè)作家)
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★
xulianjing: 金幣+5, ★有幫助 2013-10-19 10:29:57
csgt0: 金幣+1, 謝謝 2013-10-22 09:27:15
xulianjing: 金幣+5, ★有幫助 2013-10-19 10:29:57
csgt0: 金幣+1, 謝謝 2013-10-22 09:27:15
|
1：用5.0計(jì)算不會(huì)出現(xiàn)都是0的情況，但擬合效果不太好； 2：你的模型公式是固定的嗎？公式中“c*exp(-(x+170.505)^2/e)”項(xiàng)和“h/((x-170.505)^2+i)”項(xiàng)分別出現(xiàn)了兩次，確信正確嗎？ 3：另外一個(gè)帖子回復(fù)你用三個(gè)高斯函數(shù)擬合，效果不錯(cuò)。 |
» 本帖已獲得的紅花（最新10朵）
4樓2013-10-18 15:21:04
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