共轭梯度法matlab程序functionx=cg(A,b)tol=1e-10;r=b+A*b;w=-r;z=A*w;s=w'*z;t=(r'*w)/s;x=-b+t*w;fork=1:numel(b);r=r-t*z;if(norm(r)<tol)return;endB=(r'*z)/s;w=-r+B*w;z=A*w;s=w'*z;t=(r'*w)/s;x=x+t*w;end
2024/4/14 10:26:36 304B 共轭梯度法
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#include#defineucharunsignedchar#defineuintunsignedint#defineulongunsignedlong#defineLED_DATP0sbitLED_SEG0=P2^7;sbitLED_SEG1=P2^6;sbitLED_SEG2=P2^5;sbitLED_SEG3=P2^4;#defineTIME_CYLC100//12M晶振,定时器10ms中断一次我们1秒计算一次转速//1000ms/10ms=100#definePLUS_PER10//码盘的齿数,这里假定码盘上有10个齿,即传感器检测到10个脉冲,认为1圈#defineK1.65//校准系数unsignedcharcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};uchardataDisbuf[4];//显示缓冲区uintTcounter=0;//时间计数器bitFlag_Fresh=0;//刷新标志bitFlag_clac=0;//计算转速标志bitFlag_Err=0;//超量程标志voidDisplayFresh();//在数码管上显示一个四位数voidClacSpeed();//计算转速,并把结果放入数码管缓冲区voidinit_timer();//初始化定时器T0\T1voidDelay(uintms);//延时函数voidit_timer0()interrupt1/*interruptaddressis0x000b*/{TF0=0;//定时器T0用于数码管的动态刷新TH0=0xC0;TL0=0x00;Flag_Fresh=1;Tcounter++;if(Tcounter>TIME_CYLC){Flag_clac=1;//周期到,该重新计算转速了}}voidit_timer1()interrupt3/*interruptaddressis0x001b*/{TF1=0;//定时器T1用于单位时间内收到的脉冲数//要速度不是很快,T1永远不会益处Flag_Err=1;//如果速度很高,我们应考虑另外一种测速方法:T测速法}voidmain(void){Disbuf[0]=0;//开机时,初始化为0000Disbuf[1]=0;Disbuf[2]=0;Disbuf[3]=0;init_timer();while(1){if(Flag_Fresh){Flag_Fresh=0;DisplayFresh();//定时刷新数码管显示}if(Flag_clac){Flag_clac=0;ClacSpeed();//计算转速,并把结果放入数码管缓冲区Tcounter=0;//周期定时清零TH1=TL1=0x00;//脉冲计数清零}if(Flag_Err)//超量程处理{Disbuf[0]=0x9e;//开机时,初始化为0000Disbuf[1]=0x9e;Disbuf[2]=0x9e;Disbuf[3]=0x9e;while(1){DisplayFresh();//不再测速等待复位i}}}}//在数码管上显示一个四位数voidDisplayFresh(){P2|=0xF0;LED_SEG0=0;LED_DAT=table[Disbuf[0]];Delay(1);P2|=0xF0;LED_SEG1=0;LED_DAT=table[Disbuf[1]];Delay(1);P2|=0xF0;LED_SEG2=0;LED_DAT=table[Disbuf[2]];Delay(1);P2|=0xF0;LED_SEG3=0;LED_DAT=table[Disbuf[3]];Delay(1);P2|=0xF0;}//计算转速,并
2024/3/2 19:19:54 400KB 光电传感器、测速、protus、pcb
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功能说明:1、 提供其他FTP工具不能提供的计划执行(每天,每小时)2、 并可使用通配符和字符格式模糊指定文件名下载(Gb*[yyyy]?[MM][dd][HH][mm])
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英文版高级数据结构PPT,内容包括:Amortizedcomplexity(Web)Externalsorting&tournamenttrees(Sections7.10.1,7.10.2,and5.8)Buffering(Section7.10.3)Rungeneration&optimalmergepatterns(Huffmantrees)(Sections7.10.4and7.10.5)Priorityqueuesandmerging(Section5.6)Leftisttrees,BinomialheapsandFibonacciheaps(Sections9.2,9.3,and9.4)Pairingheaps(Section9.5)Doubleendedpriorityqueues(Sections9.6and9.7,Web)Staticanddynamicweightedbinarysearchtrees(Section10.1)AVL-trees(Section10.2)Red-blacktrees(Section10.3)Splaytrees(Section10.4)B-,B+andB*-trees(Sections11.1-11.3)Triesanddigitalsearchtrees(Sections12.1-12.3)Triesandpacketforwarding(Section12.5)Suffixtrees(Section12.4)Bloomfilters(Section8.4)Segmenttrees(readings)IntervaltreesPrioritysearchtrees(readings)k-dtrees(readings)Quadandocttrees(readings)BSPtreesR-trees
2023/10/17 17:51:27 1.14MB 数据结构 Data Structure
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问题描述  中缀表达式就是我们通常所书写的数学表达式,后缀表达式也称为逆波兰表达式,在编译程序对我们书写的程序中的表达式进行语法检查时,往往就可以通过逆波兰表达式进行。
我们所要设计并实现的程序就是将中缀表示的算术表达式转换成后缀表示,例如,将中缀表达式(A一(B*C十D)*E)/(F十G)转换为后缀表示为:ABC*D十E*—FG十/注意:为了简化编程实现,假定变量名均为单个字母,运算符只有+,-,*,/和^(指数运算),可以处理圆括号(),并假定输入的算术表达式正确。
要求:使用栈数据结构实现,输入的中缀表达式以#号结束输入整数N。
表示下面有N个中缀表达式N个由单个字母和运算符构成的表达式输出N个后缀表达式。
2023/10/7 20:37:14 5KB 中缀转后缀
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functiona_b_c=wbl3fit(x)%f(x)=b*a^(-b)*(x-c)^(b-1)*exp(-((x-c)/a)^b)%a------尺度参数%b------形状参数%c------位置参数
2023/10/3 8:21:32 2KB matlab 威布尔 分布拟合
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本资源是CSAPP配套实验二进制炸弹binarybomb的实验报告。
使用c32asm进行反编译,查看汇编代码比较方便编译调试工具使用gdb,常用命令:disassemb查看当前函数的汇编代码x/0x4061a2查看内存b函数名在函数开始处设置断点b*0x401233在一条指令处设置断点ir寄存器名查看寄存器的值
2023/7/12 9:10:21 404KB csapp binarybomb 二进制炸弹
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Thisbookintroducesyoutotheworldofdatastructuresandalgorithms.Datastructuredefinesthewaydataisarrangedincomputermemoryforfastandefficientaccesswhilealgorithmisasetofinstructiontosolveproblemsbymanipulatingthesedatastructures.DataStructuresalgorithmsInGoHemantjainCopyrightoHemantJain2017.AllRightReservedHemantJainassertsthemoralrighttobeidentifiedasheauthorofthisworkAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinorintroducedintoaretrievalsystem,ortransmitted,inanyform,orbyanymeans(electrical,mechanical,photocopying,recordingorotherwise)withoutthepriorwrittenpermissionoftheauthor,exceptinthecaseofverybriefquotationsembodiedincriticalreviewsandcertainothernonco妹妹ercialusespermittedbycopyrightlaw.AnypersonwhodoesanyunauthorizedactinrelationtothispublicationmaybeliabletocriminalprosecutionandcivilclaimsfordamagesACKNOWLEDGEMENTTheauthorisverygratefultoGodALMIGhTYforhisgraceandblessingDeepestgratitudeforthehelpandsupportofmybrotherDrSumantJain.ThisbookwouldnothavebeenpossiblewithoutthesupportandencouragementheprovidedIwouldliketoexpressprofoundgratitudetomyguide/myfriendNaveenKaushikforhisinvaluableencouragement,supervisionandusefulsuggestionthroughoutthisbookwritingwork.hissupportandcontinuousguidanceenablemetocompletemyworksuccessfuFinallyyetimportantly,IamthankfultoLoveSinghal,AnilberryandotherswhohelpedmedirectlyorindirectlyincompletingthisbookHemantJainTABLEOFCONTENTSACKNOWLEDGEMENTTABLEOFCONTENTSChAPTERO:HOWTOUSETHISBOOKWHATTHISBOOKISABOUTPREPARATIONPLANSSUMMARYChAPTER1:NTRODUCTION-PROGRAMMIINGOVERVIEWINTRODUCTIONFIRSTGOPROGRAMvariablesconstantsBASICDATATYPESSTRINGCONDITIONSANDLOOPSFUNCTIONPARAMETERPASSINGCALLBYVALUEPOINTERSPARAMETERPASSING.CALLBYPOINTER/REFERENCESTRUCTURESMETHODSINTERFACEARRaySLICEMAP/DICTIONARYARRAYINTERVIEWQUESTIONSCONCEPTOFSTACKSYSTEMSTACKANDMETHODCALLSRECURSIVEFUNCTIONEXERCISESCHAPTER2:ALGORITHMSANALYSISINTRODUCTIONALGORITHMASYMPTOTICANALYSISBIG-ONOTATIONOMEGA-QNOTATIONTHETA-⊙NOTATIONCOMPLEXITYANALYSISOFALGORITHMSTIMECOMPLEXITYORDERDERIVINGTHERUNTIMEFUNCTIONOFANALGORITHMTIMECOMPLEXITYEXAMPLESMASTERTHEOREMMODIFIEDMASTERTHEOREMEXERCISECHAPTER3:APPROACHTOSOLVEALGORITHMDESIGNPROBLEMSINTRODUCTIONCONSTRAINTSIDEAGENERATIONCOMPLEXITIESCODINGTESTINGEⅹAMPLESUMMARYChaPTER4:ABSTRACTDATATYPEGOCollECtIonsABSTRACTDATATYPE(ADTDATA-STRUCTUREGOCOLLECTIONFRAMEWORKACKQUEUETREEBINARYTREEBINARYSEARCHTREES(BSTPRIORITYQUEUE(HEAPHASH-TABLEDICTIONARY/SYMBOLTABLEGRAPHSGRAPHALGORITHMSSORTINGALGORITHMSCOUNTINGSORTENDNOTEchaPTER5:SEARCHINGINTRODUCTIONWHYSEARCHING?DIFFERENTSEARCHINGALGORITHMSLINEARSEARCH-UNSORTEDINPUTLINEARSEARCH-SORTEDBINARYSEARCHSTRINGSEARCHINGALGORITHMSHASHINGANDSYMBOLTABLESHOWSORTINGISUSEFULINSELECTIONALGORITHM?PROBLEMSINSEARCHINGEXERCISECHAPTER6:SORTINGINTRODUCTIONTYPEOFSORTINGBUBBLE-SORTMODIFIED(IMPROVED)BUBBLE-SORTINSERTION-SORTSELECTION-SORTMERGE-SORTQUICK-SORTQUICKSELECTBUCKETSORTGENERALIZEDBUCKETSORTHEAP-SORTTREESORTINGEXTERNALSORT(EXTERNALMERGE-SORTICOMPARISONSOFTHEVARIOUSSORTINGALGORITHMSSELECTIONOFBESTSORTINGALGORITHMEXERCISEChAPTER7:LINKEDLISTINTRODUCTIONLINKEDLISTTYPESOFLINKEDLISTSINGLYLINKEDLISTDOUBLYLINKEDLISTCIRCULARLINKEDLISTDOUBLYCIRCULARLISTEXERCISEchapter8:STACKINTRODUCTIONTHESTACKABSTRACTDATATYPESTACKUSINGSLICESSTACKGENERICIMPLEMENTATIONSTACKUSINGLINKEDLISTPROBLEMSINSTACKUSESOFSTACKEXERCISEchaPTER9:QUEUEINTRODUCTIONTHEQUEUEABSTRACTDATATYPEQUEUEUSINGLISTQUEUEUSINGLINKEDLISTPROBLEMSINQUEUEEXERCISECHAPTER10:TREEINTRODUCTIONTERMINOLOGYINTREEBINARYTREETYPESOFBINARYTREESPROBLEMSINBINARYTREEBINARYSEARCHTREE(BST)PROBLEMSINBINARYSEARCHTREE(BSTISEGMENTTREEAVLTREESRED-BLACKTREESPLAYTREEB-TREEB+TREEB*TREEEXERCISECHAPTERIl:PRIORITYQUEUEINTRODUCTIONTYPESOFHEAPHEAPADTOPERATIONSOPERATIONONHEAPHEAP-SORTUSESOFHEAPPROBLEMSINHEAPPRIORITYQUEUEGENERICIMPLEMENTATION.PRIORITYQUEUEUSINGHEAPFROMCONTAINER.EXERCISECHAPTER12:HASH-TABLEINTRODUCTIONHASH-TABLEHASHIINGWITHOPENADDRESSINGHASHINGWITHSEPARATECHAININGPROBLEMSINHASHINGEXERCISEChaPTER13:GRAPHSINTRODUCTIONGRAPHREPRESENTATIONADJACENCYMATRIXADJACENCYLISTGRAPHTRAVERSALSDEPTHFIRSTTRAVERSALBREADTHFIRSTTRAVERSALPROBLEMSINGRAPHDIRECTEDACYCLICGRAPHTOPOLOGICALSORTMINIMUMSPANNINGTREES(MST)SHORTESTPATHALGORITHMSINGRAPHEXERCISEChAPTER14:STRINGALGORITHMSTRODUCTIONSTRINGMATCHINGDICTIONARY/SYMBOLTABLEPROBLEMSINSTRINGEXERCISECHAPTER15:ALGORITHMDESIGNTECHNIQUESNTRODUCTIONBRUTEFORCEALGORITHMGREEDYALGORITHMDIVIDE-AND-CONQUER,DECREASE-AND-CONQUERDYNAMICPROGRAMMINGREDUCTIONTRANSFORM-AND-CONQUERBACKTRACKINGBRANCH-AND-BOUNDAALGORITHMCONCLUSIONCHAPTER16:BRUTEFORCEALGORITHMINTRODUCTIONPROBLEMSINBRUTEFORCEALGORITHMCONCLUSIONCHAPTER17:GREEDYALGORITHMINTRODUCTIONPROBLEMSONGREEDYALGORITHMCHAPTER18:DIVIDE-AND-CONQUER,DECREASE-AND-CONQUER
2023/3/25 9:44:09 6.19MB Data Structures Algorithms
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本资源为非常不错的一套王网传资源,是继之前上传的基础班的升级版,愈加全面,资源过大,上传乃是下载链接,如失效请留言!!!资源远大于5积分,不多说,下面直接上目录:APC机制I5J$i:U0f1r:O9B(Q"b│01APC的本质.mp4│02备用Apc队列.mp4:U8p7]3f"w$b0?5Z9`0H8G*[│03APC挂入过程.mp48g!H4s1V;]+b4Y9H0L-B│04内核APC执行过程.mp4│05用户APC执行过程.mp4│├─事件等待'x%`"J'}?&S:t']#I5\5G│01临界区.mp4-o(U$W9O+`~0u4~,@.\│02自旋锁.mp4)c3~.J&L,V&s.Q8x/[.w│03线程等待与唤醒.mp4#b*^"k$d#O3f8t8a3k│04WaitForSingleObject函数分析.mp4$V7L'C3I(W│05事件.mp4│06信号量.mp4│07互斥体.mp4│├─保护模式-}!n!C$O/s"Q│014中断门.mp4,B'i,r7Y:B3|!N(^6{l9F│015陷阱门.mp4│017任务段_下.mp4,|/M#A:K3T7i*Q/?I&o&D;p│018任务门.mp46m.D+f4_/V)~9S&B│01910-10-12分页.mp4│020PDE_PTE.mp4│021PDE_PTE属性(P_RW).mp43~/]1x5{4u:{$I│022PDE_PTE属性(US_PS_A_D).mp4│023页目录表基址.mp4│024页表基址.mp4$Af'[+g6}5F;e│0252-9-9-12分页.mp4│0262-9-9-12分页(下).mp4-~'~9i0T5f"p2U$j│027TLB.mp4│028中断与异常.mp4│029控制寄存器.mp46j2l3j)O#{%{4w│030PWT_PCD属性.mp4│031保护模式阶段测试.mp4│_001保护模式.mp4,I;c5X~)t1d1}8S#f3i:b│_002段寄存器结构.mp48n-|-i(H$^*f│_003段寄存器属性探测.mp4│_004段描述符与段选择子.mp4│_005段描述符属性_P位_G位.mp4│_006段描述符属性_S位_TYPE域.mp4│_007段描述符属性_DB位.mp4│_008段权限检查.mp4│_009代码跨段跳转流程.mp4&S#i9i-\0D"@1U-P│_010代码跨段跳转实验.mp4"@*S2Y-a-S6n7n:~│_011长调用与短调用.mp4│_012调用门_上.mp4;[)_2c8A5F%}!u%]:~.N│_013调用门_下.mp4│├─内存管理│01线性地址的管理.mp4;?|+^5i&}│02PrivateMemory.mp4*@3B(Y6^y-{│03MappedMemory.mp4│04物理内存的管理.mp4'[8C6q\1H8w"H2]0Y│05无处不在的缺页异常.mp4│├─句柄表│01句柄表.mp4│02全局句柄表.mp4│5h"u"i&{+G4T+E├─异常│01CPU异常记录.mp4│02模拟异常记录.mp4:K0J(d1
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QuectelEC200T驱动以及ppp拨号移植,本文章引见了在linux系统下,如何修改usb驱动支持移远模块,移远模块正常启动后,通过USB连接到linux设备上,驱动正常加载后会在/dev/下产ttyUSB*设备。
2023/2/11 6:23:40 80KB EC200 EC20
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在日常工作中,钉钉打卡成了我生活中不可或缺的一部分。然而,有时候这个看似简单的任务却给我带来了不少烦恼。 每天早晚,我总是得牢记打开钉钉应用,点击"工作台",再找到"考勤打卡"进行签到。有时候因为工作忙碌,会忘记打卡,导致考勤异常,影响当月的工作评价。而且,由于我使用的是苹果手机,有时候系统更新后,钉钉的某些功能会出现异常,使得打卡变得更加麻烦。 另外,我的家人使用的是安卓手机,他们也经常抱怨钉钉打卡的繁琐。尤其是对于那些不太熟悉手机操作的长辈来说,每次打卡都是一次挑战。他们总是担心自己会操作失误,导致打卡失败。 为了解决这些烦恼,我开始思考是否可以通过编写一个全自动化脚本来实现钉钉打卡。经过一段时间的摸索和学习,我终于成功编写出了一个适用于苹果和安卓系统的钉钉打卡脚本。
2024-04-09 15:03 15KB 钉钉 钉钉打卡