mathematics

[Everyday Mathematics]20150127

设 $f,g:[a,b]\to [0,\infty)$ 连续, 单调递增, 并且 $$\bex \int_a^x \sqrt{f(t)}\rd t\leq \int_a^x \sqrt{g(t)}\rd t,\quad \forall\ x\in [a,b];\quad\quad\int_a^b \sqrt{f(t)}\rd t= \int_a^b \sqrt{g(t)}\rd t. \eex$$
·2015-01-13 09:00

[Everyday Mathematics]20150122

设 $f:[0,1]\to [0,1]$.   (1). 若 $f$ 连续, 试证: $\exists\ \xi\in [0,1],\st f(\xi)=\xi$.   (2). 若 $f$ 单调递增, 试证: $\exists\ \xi\in [0,1],\st f(\xi)=\xi$.   (3). 若 $f$ 单调递减, 请问上述结论是否仍然成立?
·2015-01-13 09:00

zoj 3845 Fixed Point（数位dp）

题目链接FixedPointTimeLimit:2Seconds    MemoryLimit:65536KBInmathematics,afixedpoint(sometimesshortenedtofixpoint
madaidao·2015-01-11 21:00

[Everyday Mathematics]20150119

设 $V$ 是 $n$ 维线性空间, $V_1, V_2$ 均为 $V$ 的子空间, 且 $$\bex V_1\subset V_2,\quad \dim V=10,\quad \dim V_1=3,\quad \dim V_2=6. \eex$$ 试求 $$\bex \dim\sed{T:V\to V\mbox{ 是线性映射};\ V_1,V_2\mbox{ 均为 }T \mbox{ 的不变子空
·2015-01-07 09:00

[Everyday Mathematics]20150118

设 $X$ 是线性空间, $\phi_1,\cdots,\phi_n,\phi$ 是 $X$ 上的线性泛函, 试证: $$\bex \phi\in \span\sed{\phi_1,\cdots,\phi_n}\ \lra \cap_{k=1}^n \ker \phi_i\subset \ker \phi. \eex$$   证明: $\ra$: $$\beex \bea &
·2015-01-07 09:00

[Everyday Mathematics]20150114

设 $a_0$, $d$ 给定, $a_k=a_0+kd$, $k=0,1,\cdots,n$. 试求如下 $n+1$ 阶行列式的值: $$\bex \sev{\ba{ccccc} a_0&a_1&a_2&\cdots&a_n\\ a_1&a_0&a_1&\cdots&a_{n-1}\\ a_2&a_1&a_0&
·2015-01-06 16:00

安装Mathematics Add-In时错误“需要适用于 Microsoft Office 的 .NET 可编程

使用Word或Onenote的人都知道，MathematicsAdd-In可以在Word文档和OneNote笔记本中轻松地绘制二维和三维图表，对等式和不等式求解以及化简代数表达式。
dhqlx·2014-12-25 10:39

安装Mathematics Add-In时错误“需要适用于 Microsoft Office 的 .NET 可编程

使用Word或Onenote的人都知道，MathematicsAdd-In可以在Word文档和OneNote笔记本中轻松地绘制二维和三维图表，对等式和不等式求解以及化简代数表达式。
dhqlx·2014-12-25 10:39

安装Mathematics Add-In时错误“需要适用于 Microsoft Office 的 .NET 可编程

使用Word或Onenote的人都知道，MathematicsAdd-In可以在Word文档和OneNote笔记本中轻松地绘制二维和三维图表，对等式和不等式求解以及化简代数表达式。
dhqlx·2014-12-25 10:39

UVA - 264 - Count on Cantor （Cantor的数表！）

 Unknown 64bitIOFormat: %lld&%lluSubmit StatusDescription CountonCantor OneofthefamousproofsofmodernmathematicsisGeorgCantor'sdemonstrationthattheseto
u014355480·2014-12-24 12:00

如何学习离散数学和在计算机科学中应用

离散数学(Discretemathematics)是研究离散量的结构及其相互关系的数学学科，是现代数学的一个重要分支。
utimes·2014-12-18 20:00

2014 ACM-ICPC牡丹江现场赛K题题解

Itisaknownnotationintheareaofmathematicsandcomputerscience.Itisalsoknownaspostfixnotationsinceeveryoperator
Fsss_7·2014-12-16 16:00

hdu5143 暴力枚举

pid=5143ProblemDescriptionNPYislearningarithmeticprogressioninhismathclass.Inmathematics,anarithmeticprogression
u013573047·2014-12-14 20:00

九度OJ 1038 Sum of factorials （模拟）

.28,1903,d.Feb.8,1957,wasaHungarian-Americanmathematicianwhomadeimportantcontributionstothefoundationsofmathematics
wdkirchhoff·2014-12-13 15:00

poj2689 Prime Distance

PrimeDistanceTimeLimit: 1000MS MemoryLimit: 65536KTotalSubmissions: 12847 Accepted: 3429DescriptionThebranchofmathematicscallednumbertheoryisaboutpropertiesofnumbers.Oneoftheareasthathascapturedtheint
u012866104·2014-12-06 02:00

UVAOJ-Digit counting

/* Trungisboredwithhismathematicshomeworks.Hetakesapieceofchalkandstartswritingasequenceofconsecutiveintegersstartingwith1toN
kalilili·2014-12-03 22:00

hdu 5113 Black And White, 黑白染色，技巧

512000K(Java/Others)TotalSubmission(s):485    AcceptedSubmission(s):131SpecialJudgeProblemDescriptionInmathematics
yew1eb·2014-12-03 00:00

Visulalization Voronoi in OpenSceneGraph

[email protected]mathematicsaVoronoidiagramisawayofdividingspaceintoanumberofregions.Asetofpoints
eryar·2014-11-23 12:00

[ACM] ZOJ Martian Addition (20进制的两个大数相加）

65536KB  Inthe22ndCentury,scientistshavediscoveredintelligentresidentsliveontheMars.Martiansareveryfondofmathematics.Everyyear
sr19930829·2014-11-19 19:00

[再寄小读者之数学篇](2014-11-19 $\sin(x+y)=\sin x\cos y+\cos x\sin y$)

[ProofWithoutWords:SineSumIdentity,TheCollegeMathematicsJournal].
·2014-11-19 10:00

Art of Programming contest chapters:1-4

ArtofProgrammingcontestchapters:1-4TableofContents1.学习算法注意点2.一些规则3.C字符串处理函数(部分)4.基础数据结构MathematicsPrimeNumberBigIntegerPermutationNumberTheoryFactorialFibonacciSequencesModulusDynamicProgrammingLonges
wdkirchhoff·2014-11-16 21:00

[ACM] POJ 2689 Prime Distance (大区间素数筛选）

PrimeDistanceTimeLimit: 1000MS MemoryLimit: 65536KTotalSubmissions: 12811 Accepted: 3420DescriptionThebranchofmathematicscallednumbertheoryisaboutpropertiesofnumbers.Oneoftheareasthathascapturedtheint
sr19930829·2014-11-12 12:00

UVa 264 Count on Cantor

CountonCantorOneofthefamousproofsofmodernmathematicsisGeorgCantor'sdemonstrationthatthesetofrationalnumbersisenumerable.Theproofworksbyusinganexplicitenumerationofrationalnumbersasshowninthediagrambel
u013604612·2014-11-06 07:00

POJ - 2689 Prime Distance(大区间素数筛选)

DescriptionThebranchofmathematicscallednumbertheoryisaboutpropertiesofnumbers.Oneoftheareasthathascapturedtheinterestofnumbertheoreticiansforthousandsofyearsisthequestionofprimality.Aprimenumberisanum
u011345136·2014-11-04 23:00

只要醒着,你就必须思考数学---樊畿

Youhavetothinkaboutmathematicseverywakingmoment!
·2014-11-01 07:00

Known Notation（分析模拟）

It is a known notation in the area of mathematics and computer scienc
Simone_chou·2014-10-28 17:00

How to Read Mathematics 如何阅读数学

ThisarticleispartofthebookRediscoveringMathematics,whichisdueoutinearly2011.
todayq·2014-10-27 18:00

ACMer该看的书！

算法书有很多可以参考：1、ConcreteMathematics---AFoundationForComputerScienceRonaldL.Graham，DonaldE.Knuth，OrenPatashnik
u014355480·2014-10-24 11:00

Sum vs Product（ACdream） —— dfs

Others)    MemoryLimit:128000/64000KB(Java/Others)SubmitStatusProblemDescription     Peterhasjustlearnedmathematics.Helearnedhowtoadd
jxust_tj·2014-10-16 08:00

zoj 3829 Known Notation

Itisaknownnotationintheareaofmathematicsandcomputerscience.Itisalsoknownaspostfixnotationsinceeveryoperato
madaidao·2014-10-15 18:00

2014牡丹江区域赛K（贪心）ZOJ3829

Itisaknownnotationintheareaofmathematicsandcomputerscience.Itisalsoknownaspostfixnotationsinceeveryoperato
cq_phqg·2014-10-13 01:00

ZOJ - 3829 Known Notation

Itisaknownnotationintheareaofmathematicsandcomputerscience.Itisalsoknownaspostfixnotationsinceeveryoperatorinanexpressionfollowsallofitsoperands.BobisastudentinMarj
u011345136·2014-10-12 21:00

9月底10月初读书记录

 最近2周读了：  KennethH.Rosen.DiscretemathematicsandItsApplications.McGrawHill,NewYork,7edition,2012.很基础的适合本科生的教材
RobertChenGuangzhi·2014-10-11 00:00

zoj 1205 Martian Addition

65536KB  Inthe22ndCentury,scientistshavediscoveredintelligentresidentsliveontheMars.Martiansareveryfondofmathematics.Everyyear
u014451076·2014-10-08 00:00

POJ2689_Prime Distance【素数】【两次筛法】

PrimeDistanceTimeLimit:1000MSMemoryLimit:65536KTotalSubmissions:12644Accepted:3369DescriptionThebranchofmathematicscallednumbertheoryisaboutpropertiesofnumbers.Oneoftheareasthathascapturedtheinteresto
u011676797·2014-09-24 22:00

C. Modified GCD(二分加搜索约数)

C.ModifiedGCDtimelimitpertest 2secondsmemorylimitpertest  256megabytes题目连接:传送门Well,hereisanothermathclasstask.Inmathematics
ZSGG_ACM·2014-09-23 20:00

HDOJ 5019 Revenge of GCD

MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):877    AcceptedSubmission(s):259ProblemDescriptionInmathematics
u012797220·2014-09-22 00:00

HDU 5019 Revenge of GCD（数学）

pid=5019ProblemDescriptionInmathematics,thegreatestcommondivisor(gcd),alsoknownasthegreatestcommonfactor
u012860063·2014-09-19 22:00

hdu5019——Revenge of GCD

MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):226    AcceptedSubmission(s):66ProblemDescriptionInmathematics
Guard_Mine·2014-09-19 21:00

我们为什么用卷积？ Why should we use convolution?

In mathematics and,inparticular, functionalanalysis, convolution isa mathematicaloperation ontwo functions
u011368821·2014-09-11 20:00

Codeforces 346 B. Lucky Common Subsequence

B.LuckyCommonSubsequencetimelimitpertest3secondsmemorylimitpertest512megabytesinputstandardinputoutputstandardoutputInmathematics
u012797220·2014-09-04 19:00

数论 - 素数的运用 --- poj 2689 : Prime Distance

65536K Total Submissions: 12512   Accepted: 3340 Description The branch of mathematics
·2014-09-02 16:00

UVA - 1069 Always an integer （模拟）

DescriptionCombinatoricsisabranchofmathematicschieflyconcernedwithcountingdiscreteobjects.Forinstance
u011345136·2014-08-23 19:00

【索引】Numerical Methods::Exercises: Intermediate

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: NumericalMethods::Exercises
u011328934·2014-08-21 23:00

【索引】Numerical Methods::Exercises: Beginner

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: NumericalMethods::Exercises
u011328934·2014-08-21 23:00

【索引】Numerical Methods::Examples

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: NumericalMethods::Examples10341
u011328934·2014-08-21 23:00

【索引】Numerical Methods

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: NumericalMethodsExamplesExamples
u011328934·2014-08-21 23:00

【索引】Matrix & System of Linear Equations::Exercises: Intermediate

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: Matrix&SystemofLinearEquations
u011328934·2014-08-21 23:00

【索引】Matrix & System of Linear Equations::Exercises: Beginner

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: Matrix&SystemofLinearEquations
u011328934·2014-08-21 22:00

【索引】Matrix & System of Linear Equations::Examples

AOAPCI:BeginningAlgorithmContests--TrainingGuide(RujiaLiuChapter2.Mathematics:: Matrix&SystemofLinearEquations
u011328934·2014-08-17 22:00
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