- 2024-09-15sicp每日一题[2.10]
Exercise2.11Inpassing,Benalsocrypticallycomments:“Bytestingthesignsoftheendpointsoftheintervals,itispossibletobreakmul-intervalintoninecases,onlyoneofwhichrequiresmorethantwomultiplications.”Rewritethisprocedureusin
- 2024-09-10判断数正负C++
给定一个整数N,判断其正负。如果N>0,输出positive;如果N=0,输出zero;如果N<0,输出negative。输入输入一个整数N(−109≤N≤109)N(−109≤N≤109)输出如果N>0,输出positive;如果N=0,输出zero;如果N<0,输出negative。样例输入1 1样例输
- 2024-08-20attitudes toward coca搭配
Sorry,therearenomatchingrecords.Youmaywishtodooneofthefollowing:1.Makesurethefrequencylimitsaresetcorrectly(MINFREQandcheckbox)2.Selectalessrestrictivesetofsections(genresortimeperiods)3. Checkthesearchsyntax tow
- 2024-07-21Codeforces Round 958 (Div. 2)
A.SplittheMultisetForexample, {2,2,4} isamultiset.Youhaveamultiset
- 2024-04-05LeetCode 1539. Kth Missing Positive Number
原题链接在这里:https://leetcode.com/problems/kth-missing-positive-number/description/题目:Givenanarray arr ofpositiveintegerssortedina strictlyincreasingorder,andaninteger k.Return the kth positive integerthatis missing fromthisarra
- 2024-03-28分类任务中的评估指标:Accuracy、Precision、Recall、F1
概念理解TPTPTP、
- 2024-01-30无涯教程-if 语句函数
"if…else"结构在执行代码块之前先判断条件。if(boolean_expression){//statement(s)willexecuteiftheBooleanexpressionistrue}if-流程图if-示例varnum=5if(num>0){console.log("numberispositive")}成功执行上述代码后,将显示以下输
- 2024-01-22关于变元极性选择策略
1.2023年最新的一篇文献 New Boolean satisfiability problem heuristic strategy: Minimal Positive Negative Product Strategy@article{DBLP:journals/corr/abs-2310-18370,author={QunZhaoandXintaoWangand
- 2023-12-07气象中和风相关的概念
http://colaweb.gmu.edu/dev/clim301/lectures/wind/wind-uv东西风U单位:米/秒(m/s),通常正值为西风,负值为东风。南北风V单位:米/秒(m/s),通常正值为南风,负值为北风。U为正值为西风的意思是风从西边吹来,真实的风向箭头指向右边,U为负值风从东边吹来,箭头指向左边。V为正值为南风风从南
- 2023-12-04机器学习-ROC曲线:技术解析与实战应用
本文全面探讨了ROC曲线(ReceiverOperatingCharacteristicCurve)的重要性和应用,从其历史背景、数学基础到Python实现以及关键评价指标。文章旨在提供一个深刻而全面的视角,以帮助您更好地理解和应用ROC曲线在模型评估中的作用。关注TechLead,分享AI全维度知识。作者拥有10+年互
- 2023-11-24Adaptive Sparse Pairwise Loss for Object Re-Identification
https://blog.csdn.net/amusi1994/article/details/130037400tripletloss中需要计算每个样本之间的距离,从而计算出loss,作者认为同一类的某些样本可能存在有害的信息,所以不应该将所有样本都用于计算loss。作者提出的SPloss中只计算挑选出来的样本的距离,从而得到loss。我们提出
- 2023-11-06PigVar: THE PIG VARIATIONS AND POSITIVE SELECTION DATABASE
URL: http://www.ibiomedical.net/ http://103.53.216.7/Gotoaldbdatabase.(keywords:chicken,cow,pig;lincRNAs;expression;blast)ALDB:adomestic-animallongnoncodingRNAdatabase GotomiRBonddatabase.(keywords:pig,chicken,cow,targetscan,miRand
- 2023-11-06Negative controls and Positive controls
=================Negativecontrolsaregroupswherenophenomenonisexpected.Theyensurethatthereisnoeffectwhenthereshouldbenoeffect.Tocontinuewiththeexampleofdrugtesting,anegativecontrolisagroupthathasnotbeenadministeredt
- 2023-11-04[LeetCode] 2149. Rearrange Array Elements by Sign
Youaregivena0-indexedintegerarraynumsofevenlengthconsistingofanequalnumberofpositiveandnegativeintegers.Youshouldrearrangetheelementsofnumssuchthatthemodifiedarrayfollowsthegivenconditions:Everyconsecutivepairofint
- 2023-09-27连接正负极Connection of positive and negative poles
不要把物理公式看作数学公式,请也尊重自然的经验法则。Don'tseethephysicalformulasasmathematicalformulas,pleasealsorespecttheexperiencerulesofnature.连接正负极Connectionofpositiveandnegativepoles欧姆定律Ohm'sLaw\(I=\frac{V}{R}\)物理:
- 2023-09-24BZOJ 生日礼物
题目背景翰翰18岁生日的时候,达达给她看了一个神奇的序列$A_1,A_2,\dots,A_n$。她被允许从中选择不超过$M$个连续的部分作为自己的生日礼物。翰翰想要知道选择元素之和的最大值。你能帮助她吗?解题思路可以先合并序列中连续的同为正或负的值,使原序列变为一个一正一
- 2023-08-04如何用Confusion matrix,classification report,ROC curve (AUC)分析一个二分类问题
ROChttps://zhuanlan.zhihu.com/p/246444894 Sure,let'screatearandomconfusionmatrixasanexample,andthenI'llexplainwhateachelementinthematrixmeans:Supposewehaveabinaryclassificationproblem,wherethetruelabelsareas
- 2023-07-28json格式
{"positive_integer_range":{"url":"http://apis.juhe.cn/simpleWeather/query","method":"get","code_massage":"查询成功","params":{
- 2023-07-25[ARC150F] Constant Sum Subsequence
ProblemStatementWehaveasequenceofpositiveintegersoflength$N^2$,$A=(A_1,\A_2,\\dots,\A_{N^2})$,andapositiveinteger$S$.Forthissequenceofpositiveintegers,$A_i=A_{i+N}$holdsforpositiveintegers$i\(1\leqi\leqN^2-N)$,an
- 2023-07-15python 负数转正数
Python负数转正数在编程中,我们经常会遇到负数的处理。有时候我们需要将一个负数转换为正数,以便在计算中进行更方便的操作。在Python中,有几种方法可以实现负数转正数的功能。方法一:使用abs函数Python内置的abs函数可以返回一个数的绝对值。对于负数来说,它会将其转换成正数。下面
- 2023-07-06[LeetCode] 2178. Maximum Split of Positive Even Integers
Youaregivenaninteger finalSum.Splititintoasumofa maximum numberof unique positiveevenintegers.Forexample,given finalSum=12,thefollowingsplitsare valid (uniquepositiveevenintegerssummingupto finalSum): (12), (2+10),
- 2023-05-31使用OpenAI API进行Model Fine-tuning
目录1基本信息2操作示例2.1准备数据2.2模型训练2.3模型推理1基本信息参考资料:官方指南:https://platform.openai.com/docs/guides/fine-tuning微调接口:https://platform.openai.com/docs/api-reference/fine-tunes数据接口:https://platform.openai.com/docs/api-refere
- 2023-05-292022 AMC 10A Problems
2022AMC10AProblemsProblem1Whatisthevalueof Problem2Mikecycledlapsinminutes.Assumehecycledataconst
- 2023-05-18什么是软件测试领域的 false-positive test?
在软件测试领域,"false-positivetest"是指在测试过程中产生了误报的测试结果。这意味着测试工具或测试流程错误地将一个实际上是正确的功能或行为标记为错误或异常。False-positivetest在软件测试中是一个常见的现象,尤其是在自动化测试中。这种情况可能由多种因素引起,下面我将
- 2023-05-15Codeforces Round #358 (Div. 2) -- B. Alyona and Mex (思路水题)
B.AlyonaandMextimelimitpertestmemorylimitpertestinputoutputSomeonegaveAlyonaanarraycontainingnpositiveintegersa1, a2, ..., an.Inoneoperation,Alyonacanchooseanyelementofthearray