03 2023 档案

摘要:function parse(STR_XPATH) { var xresult = document.evaluate(STR_XPATH, document, null, XPathResult.ANY_TYPE, null); var xnodes = []; var xres; while ( 阅读全文
posted @ 2023-03-28 22:10 NAVYSUMMER 阅读(255) 评论(0) 推荐(0)
摘要:1.reshape重置形状 a = tf.random.normal([4,28,28,3]) print("a:",a.shape,a.ndim) # 失去图片的行和列信息,可以理解为每个像素点(pixel) b = tf.reshape(a,[4,28*28,3]) print("b:",b.s 阅读全文
posted @ 2023-03-25 11:19 NAVYSUMMER 阅读(150) 评论(0) 推荐(0)
摘要:1.创建帐号和权限 rbac.yaml apiVersion: v1 kind: ServiceAccount metadata: name: nfs-client-provisioner # replace with namespace where provisioner is deployed 阅读全文
posted @ 2023-03-17 22:10 NAVYSUMMER 阅读(81) 评论(0) 推荐(0)
摘要:1.算法原理 y=w*x+b+ε loss=Σ(w*xi+b-yi)2 w'=w-lr*(loss对w求偏导) # 梯度下降算法 b'=b-lr*(loss对b求偏导) # 梯度下降算法 2.基于numpy实现 def compute_loss(b,w,points): loss = 0 n = l 阅读全文
posted @ 2023-03-11 22:00 NAVYSUMMER 阅读(55) 评论(0) 推荐(0)

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