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candyzhang

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[求助] 求助准二级动力学曲线拟合matlab代码

t                q
10                6.97436
20                7.64103
30                8.51282
40                9.4359
50                9.53846
60                10.10256
80                10.82051
100                11.17949
120                11.79487
150                12.66667
180                12.97436
210                13.14103
270                13.28205
330                13.38462
390                13.17949
准二级动力学拟合公式t/qt=1/K2qe2+t/qe,我输入进去后算出的相关系数是负值,而且k值绝对大,最后的拟合结果是Qt等于Qe,为什么,到底是哪里错了呢,求大侠给出正确的matlab代码
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