860W/φ100/侧开关 ￥187.20 1台/盒,10盒/箱 有货 2 FPTNQ00206 DL-JM100-W3 1200W/φ100__allen__后开关 ￥286.20 1台/盒,10盒/箱 有货 2 FPTNQ00207 DL-JM100-W4 1200W/φ100__allen__侧开关 ￥286.20 1台/盒,10盒/箱 有货 2 FPTNQ00208 DL6371 950W/φ100/侧开关 ￥212.40 1台/...
噪声项ϵ服从正态分布,平均值为0,标准差为0.1。我们将为训练集和测试集各合成100个样本 1.三阶多项式函数拟合(正常情况) 我们先使⽤与数据⽣成函数同阶的三阶多项式函数拟合。实验表明,这个模型的训练误差和在测试数据集的误差都较低。训练出的模型参数也接近真实值:w1 = ...
DL-JM100-W3 1200W/φ100__allen__后开关 ￥286.20 1台/盒,10盒/箱 有货 2 FPTNQ00207 DL-JM100-W4 1200W/φ100__allen__侧开关 ￥286.20 1台/盒,10盒/箱 有货 2 FPTNQ00208 DL6371 950W/φ100/侧开关 ￥212.40 1台/盒,10盒/箱 有货 2 FPTNQ00209 DL6372 950W/φ100/后开关 ￥210.6...
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860W/φ100/侧开关 ￥187.20 1台/盒,10盒/箱 有货 2 FPTNQ00206 DL-JM100-W3 1200W/φ100__allen__后开关 ￥286.20 1台/盒,10盒/箱 有货 2 FPTNQ00207 DL-JM100-W4 1200W/φ100__allen__侧开关 ￥286.20 1台/盒,10盒/箱 有货