梯度提升和梯度下降（梯度下降和梯度上升）

科技前沿 • 2025-06-16 12:14 • 阅读 30

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import cv2 import numpy as np

class watermenon:

def __init__(self,number,color,root,sound,stripe,umbilical_region,touch,density,sugar_rate,quality): self.number=number self.color=color self.root=root self.sound=sound self.stripe=stripe self.umbilical_region=umbilical_region self.touch=touch self.density=density self.sugar_rate=sugar_rate self.quality=quality self.feature=[self.number,self.color,self.root,self.sound,self.stripe, self.umbilical_region,self.touch,self.density,self.sugar_rate,self.quality]

讯享网

w1 = watermenon(‘1’, ‘青绿’, ‘蜷缩’, ‘浊响’, ‘清晰’, ‘凹陷’, ‘硬滑’, 0.697, 0.460, ‘好’) w2 = watermenon(‘2’, ‘乌黑’, ‘蜷缩’, ‘沉闷’, ‘清晰’, ‘凹陷’, ‘硬滑’, 0.774, 0.367, ‘好’) w3 = watermenon(‘3’, ‘乌黑’, ‘蜷缩’, ‘浊响’, ‘清晰’, ‘凹陷’, ‘硬滑’, 0.634, 0.264, ‘好’) w4 = watermenon(‘4’, ‘青绿’, ‘蜷缩’, ‘沉闷’, ‘清晰’, ‘凹陷’, ‘硬滑’, 0.608, 0.318, ‘好’) w5 = watermenon(‘5’, ‘浅白’, ‘蜷缩’, ‘浊响’, ‘清晰’, ‘凹陷’, ‘硬滑’, 0.556, 0.215, ‘好’) w6 = watermenon(‘6’, ‘青绿’, ‘稍蜷’, ‘浊响’, ‘清晰’, ‘稍凹’, ‘软粘’, 0.403, 0.237, ‘好’) w7 = watermenon(‘7’, ‘乌黑’, ‘稍蜷’, ‘浊响’, ‘稍糊’, ‘稍凹’, ‘软粘’, 0.481, 0.149, ‘好’) w8 = watermenon(‘8’, ‘乌黑’, ‘稍蜷’, ‘浊响’, ‘清晰’, ‘稍凹’, ‘硬滑’, 0.437, 0.211, ‘好’)

讯享网

w9 = watermenon(‘9’, ‘乌黑’, ‘稍蜷’, ‘沉闷’, ‘稍糊’, ‘稍凹’, ‘硬滑’, 0.666, 0.091, ‘不’) w10 = watermenon(‘10’, ‘青绿’, ‘硬挺’, ‘清脆’, ‘清晰’, ‘平坦’, ‘软粘’, 0.243, 0.267, ‘不’) w11 = watermenon(‘11’, ‘浅白’, ‘硬挺’, ‘清脆’, ‘模糊’, ‘平坦’, ‘硬滑’, 0.245, 0.057, ‘不’) w12 = watermenon(‘12’, ‘浅白’, ‘蜷缩’, ‘浊响’, ‘模糊’, ‘平坦’, ‘软粘’, 0.343, 0.099, ‘不’) w13 = watermenon(‘13’, ‘青绿’, ‘稍蜷’, ‘浊响’, ‘稍糊’, ‘凹陷’, ‘硬滑’, 0.639, 0.161, ‘不’) w14 = watermenon(‘14’, ‘浅白’, ‘稍蜷’, ‘沉闷’, ‘稍糊’, ‘凹陷’, ‘硬滑’, 0.657, 0.198, ‘不’) w15 = watermenon(‘15’, ‘乌黑’, ‘稍蜷’, ‘浊响’, ‘清晰’, ‘稍凹’, ‘软粘’, 0.360, 0.370, ‘不’) w16 = watermenon(‘16’, ‘浅白’, ‘蜷缩’, ‘浊响’, ‘模糊’, ‘平坦’, ‘硬滑’, 0.593, 0.042, ‘不’) w17 = watermenon(‘17’, ‘青绿’, ‘蜷缩’, ‘沉闷’, ‘稍糊’, ‘稍凹’, ‘硬滑’, 0.719, 0.103, ‘不’)

watermenon_data=[w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17];

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梯度提升和梯度下降（梯度下降和梯度上升）

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