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  • cube2022-08-26 13:01:08

    In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertic

  • OpenFOAM 编程 | One-Dimensional Transient Heat Conduction2022-07-30 20:34:53

    0. 写在前面 本文中将对一维瞬态热传导问题进行数值求解,并基于OpenFOAM类库编写求解器。该问题参考自教科书\(^{[1]}\)示例 8.1。 1. 问题描述 一维瞬态热传导问题控制方程如下 \[\rho c \frac{\partial T}{\partial t} = \nabla\cdot \left(k\nabla T\right) \]其中,\(\rho c = 1

  • Chapter 5 Three-dimensional linear transformations2022-07-19 22:05:22

    Chapter 5 Three-dimensional linear transformations

  • 二维字典新增数据2022-06-22 23:33:51

    dic = dict() def add_two_dimensional_dictionary(old_dict,key_a,key_b,value): if key_a in old_dict: old_dict[key_a].update({key_b:value}) else: old_dict.update({key_a:{key_b:value}}) add_two_dimensional_dictionary(dic, 'a

  • The Effect of Planning Shape on Dyna-style Planning in High-dimensional State Spaces2021-12-18 09:32:11

    发表时间:2019 文章要点:文章分析了Dyna这种model based方法,用model去生成one-step的transition和n-step的transition的区别,得出的主要结论是one-step的transition基本上没有任何帮助,还不如直接用现有的buffer多更新几次网络(similar sample efficiency gains could be obtained sim

  • CF850A Five Dimensional Points 题解2021-10-11 22:04:07

    Link. Codeforces Luogu Description. 给定 \(n\) 个五维坐标系中的点,找到所有点 \(A\),使得 \(\forall B,C\in S,<\overrightarrow{AB},\overrightarrow{AC}>\ge \frac{\pi}{2}\) Solution0. \(O(n^3)\) 暴力直接 AC。 Solution1. 假设我们要判断 \(A\) 点是否可行。 考虑以 \(A

  • Python错误---ValueError(“matrix must be 2-dimensional“)2021-09-17 10:32:56

    在学习《机器学习实战》的kmeans算法时,复刻示例10.4:对地图上的点进行聚类的代码时 首先出现报错TypeError: list indices must be integers or slices, not tuple,报错地点:  通过分析,发现是因为myCentroids为列表类型,而列表因为可以存放不同类型的数据,因此列表中每个元素的大小

  • 2021-07-082021-07-08 23:30:29

    You are a movie theater manager. You are given a two-dimensional array with 6 rows and 6 columns - 36 elements with 0 value, that represent empty theater seats. All 36 tickets for session were sold, so you need to identify all of the seats with value 1.

  • STR from Two-Dimensional Perspective AAAI20192021-05-02 15:32:57

    文章名:Scene Text Recognition from Two-Dimensional Perspective motivation seq-based 对于不规则文本的缺点,CRNN+CTC的算法是基于一维的,存在label和sequence无法对齐的问题。提出CAFCN和先前的seq-based方法相比,对于文本形状、背景噪声以及一阶段的检测不准确都不敏感。虽

  • One-Dimensional2020-03-03 10:55:50

    One-Dimensional 考虑一个含有 N 个细胞的一维细胞自动机。细胞从 0 到 N-1 标号。 每个细胞有一个被表示成一个小于 M 的非负整数的状态。细胞的状态会在每个整数时刻发生骤变。 我们定义 S(i,t) 表示第 i 个细胞在时刻 t 的状态。在时刻 t+1 的状态被表示为 S(i,t+1)=(A×S(i-1

  • 多维javascript数组中的Javascript For循环2019-10-30 23:46:07

    谁能给我一个带有多维输入数组的JavaScript示例/示例?希望您能有所帮助,因为我还是JavaScript的新手. 像这样: var cubes = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]; output : [1,4,7], [1,4,8], [1,4,9], [1,5,7], [1,5,8], [1,5,9],

  • Numpy 随机序列 shuffle & permutation2019-08-28 11:01:45

      1. numpy.random.shuffle(x) Modify a sequence in-place by shuffling its contents.This function only shuffles the array along the first axis of a multi-dimensional array. The order of sub-arrays is changed but their contents remains the same.Parameters:

  • CodeForces - 851C-Five Dimensional Points(平面几何+数学)2019-08-22 17:07:55

    题目:CodeForces - 851C 题意:一个5维坐标图中能够找到点a,点a满足与任意两个点b,c所成直线的夹角不为锐角 题解:直接暴力枚举点,然后用arccos公式求得两直线所成夹角度数,具体方法可以去传送门看一下 代码: //Ö±½Ó±©Á¦£¬×¢Ò⻡¶Èת½Ç¶È #include<bits/stdc

  • CodeForces-721A-One-dimensional Japanese Crossword2019-08-19 22:57:18

    链接: https://vjudge.net/problem/CodeForces-721A 题意: Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a table sized a × b squares, and each square is colored white or black. There are integers to the left o

  • One-dimensional Japanese Crossword(codeforces 712A)2019-07-29 09:06:12

        Input 3 BBW Output 1 2 Input 5 BWBWB Output 3 1 1 1 Input 4 WWWW Output 0 Input 4 BBBB Output 1 4 Input 13 WBBBBWWBWBBBW Output 3 4 1 3 题意:就是将连续出现的B记录下来并输出。 #include <algorithm> #include <iostream> #include <cstring> #include

  • Python二维列表为元素添加值2019-06-20 18:42:38

    我想为二维列表的元素添加一个值.而是将值添加到列的所有元素中. 有人可以帮忙吗? ROWS=3 COLUMNS=5 a=[[0] * (ROWS)] * (COLUMNS) for i in range(ROWS): print (a[i]) print("") x=5 a[2][1]=a[2][1]+x for i in range(ROWS): print (a[i]) 解决方法:像这样

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