problem bessie weight p2639

Python小练习：权重初始化（Weight Initialization）

Python小练习：权重初始化（Weight Initialization）作者：凯鲁嘎吉 - 博客园 http://www.cnblogs.com/kailugaji/ 调用Pytorch中的torch.nn.init.xxx实现对模型权重与偏置初始化。 1. weight_init_test. ......

权重 Initialization Python Weight更新时间 2023-04-06

UCUP-ZJ M. Minimum Element Problem

题意给定一个位置x，求在$p_x$分别取1-n的所有情况下，对应笛卡尔树不同的排列个数。题解先不考虑$p_x$，列出转移式，发现是卡特兰数。进一步地，可以把排列对应笛卡尔树意义下的不同构数，和二叉树不同构数等价联系起来：因为对于任何一个二叉树，按照中序遍历在上面填1-n，就可以唯一确定一个排 ......

UCUP-ZJ Minimum Element Problem UCUP更新时间 2023-04-03

What is X/Y problem?

X/Y problem means you have a problem X, you think you should solve another problem Y to solve the original problem X, you ask people for help you solv ......

problem What is更新时间 2023-04-01

Perceptron, Support Vector Machine and Dual Optimization Problem (3)

Support Vector Machines Perceptron and Linear Separability 假设存在一个 linear decision boundary，它可以完美地对 training dataset 进行分割。那么，经由上述 Perceptron Algorithm ......

Optimization Perceptron Machine Support Problem更新时间 2023-04-01

P1865 A % B Problem

P1865 A % B Problem 题目链接题意简述求区间 $[l,r]$ 内质数的个数解析前置知识：素数判断 / 素数筛法前缀和质数是指在大于 $1$ 的自然数中，除了 $1$ 和它本身以外不再有其他因子的自然数。一层循环判断 $2\sim n-1$ 的每一个数是否是它的因子 ......

Problem P1865 1865更新时间 2023-03-31

Problem Y: Understanding Used Sailboat Prices

Like many luxury goods, sailboats vary in value as they age and as market conditions change. The attached “2023_MCM_Problem_Y_Boats.xlsx” file include ......

Understanding Sailboat Problem Prices Used更新时间 2023-03-31

Problem Z: The Future of the Olympics

Background The International Olympic Committee (IOC) is facing a decreasing number of bids to host the Olympics – both Summer and Winter Games[1]. In ......

Olympics Problem Future The the更新时间 2023-03-31

Perceptron, Support Vector Machine and Dual Optimization Problem (1)

Linear Decision Boundary（线性决策边界） Example. (classification problem) 给定一个二元的特征空间 $\mathcal{X} = \left{ \text{weight} \times \text{height} \right}$，对标签 $ ......

Optimization Perceptron Machine Support Problem更新时间 2023-03-28