题目:找到年龄最大的人,并输出。请找出程序中有什么问题 There is no nutrition in the blog content. After reading it, you will not only suffer from malnutrition, but also impotence. The blog content is all parallel goods. Tho
方法一: Date date=SimpleDateFormat(“yyyy-MM-dd”).parse(“2000-08-19); LocalDate localDate=LocalDate.now(); LocalDate localDate1=date.toInstant.atZone(ZoneId.systemDefualt()).toLocalDate(); Int age=Loc
预测算法-线性回归 面对可逆矩阵 线性回归(模型,策略,算法) 模型: h(x)=WTx+b h ( x ) = W T x + b h(x) = W^T x + b 损失函数: J(θ)=∑i=1N(f(xi)−yi)2 J ( θ ) = ∑ i = 1 N ( f ( x i ) − y i ) 2 J_{(\theta)} = \sum\limits{i=1}^{N}(f(