同一个自变量下多个因变量数据拟合最合理趋势线。
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现有多组实验数据,想拟合出一个合理的趋势线。实验数据如下:
x=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18];
y=[1.0000 1.1733 1.3600 1.5333 1.6800 1.8400 1.9867 2.1600 2.3067 2.4533 2.6000 2.7600 2.8933 3.0267 3.1733 3.2800 3.4267 3.5333
1.0000 1.1571 1.3143 1.4714 1.6286 1.7857 1.9143 2.0714 2.2000 2.3286 2.4714 2.5714 2.7000 2.8429 2.9857 3.1000 3.2143 3.3429
1.0000 1.1528 1.3194 1.4583 1.6111 1.7500 1.8750 2.0000 2.1250 2.2361 2.3333 2.4444 2.5417 2.6528 2.7639 2.8472 2.9306 3.0139
1.0000 1.1375 1.3125 1.4500 1.6375 1.7750 1.9250 2.1000 2.2250 2.3500 2.4750 2.5875 2.7125 2.8250 2.9375 3.0750 3.1875 3.2875
1.0000 1.0976 1.2561 1.4024 1.5732 1.7073 1.8415 1.9634 2.0976 2.2195 2.3537 2.4634 2.5854 2.7195 2.8293 2.9756 3.0854 3.2195
1.0000 1.1000 1.2444 1.3778 1.5111 1.6556 1.7778 1.9111 2.0222 2.1444 2.2444 2.3667 2.4556 2.5667 2.6889 2.7889 2.9333 3.0111]
求指导。
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