光学设计软件zemax源码： This DLL models an nular aspheric surface as described in: "Annular surfaces in annular field systems" By Jose M. Sasian Opt. eng. 36 (12) P 3401-3401 December 1997 This surface is essentially an odd aspheric surface with an offset in the aspheric terms. The sag is given by: Z = (c*r*r) / (1+(1-((1+k)*c*c*r*r))^ 1/2 ) + a*(r-q)^2 + b*(r-q)^3 + c*(r-q)^4 + ... Note the terms a, b, c, ... have units of length to the -1, -2, -3, ... power.
标签： described aspheric surfaces Annular
上传时间： 2014-01-08
上传用户：yyyyyyyyyy
/* * EULER S ALGORITHM 5.1 * * TO APPROXIMATE THE SOLUTION OF THE INITIAL VALUE PROBLEM: * Y = F(T,Y), A<=T<=B, Y(A) = ALPHA, * AT N+1 EQUALLY SPACED POINTS IN THE INTERVAL [A,B]. * * INPUT: ENDPOINTS A,B INITIAL CONDITION ALPHA INTEGER N. * * OUTPUT: APPROXIMATION W TO Y AT THE (N+1) VALUES OF T. */
标签： APPROXIMATE ALGORITHM THE SOLUTION
上传时间： 2015-08-20
上传用户：zhangliming420
performs one of the matrix-vector operations y := alpha*A*x + beta*y, or y := alpha*A *x + beta*y, where alpha and beta are scalars, x and y are vectors and A is an m by n matrix
标签： alpha beta matrix-vector operations
上传时间： 2014-08-17
上传用户：qlpqlq
有向直线Ｋ中值问题 给定一条有向直线L以及L 上的n+1 个点x0<x1<x2<… <xn。有向直线L 上的每个点xi都有一个权 w(xi) 每条有向边 (xi,xi-1)，也都有一个非负边长d(xi,xi-1)。有向直线L 上的每个点xi 可以看作客户，其服务需求量为w(xi) 。每条边(xi,xi-1) 的边长 , d(xi,xi-1) 可以看作运输费用。如果在点xi 处未设置服务机构，则将点xi 处的服务需求沿有向边转移到点xj处服务机构需付出的服务转移费用为w(xi)*d(xi,xj) 。在点0 x 处已设置了服务机构，现在要在直线L上增设k处服务机构，使得整体服务转移费用最小。
上传时间： 2014-01-14
上传用户：manlian
C# BigInteger class. BigInteger.cs is a csharp program. It is the BIgInteger class. It has methods: abs() , FermatLittleTest(int confidence) ,gcd(BigInteger bi) , genCoPrime(int bits, Random rand) , genPseudoPrime(int bits, int confidence, Random rand) , genRandomBits(int bits, Random rand) , isProbablePrime(int confidence) , isProbablePrime() , Jacobi(BigInteger a, BigInteger b) , LucasSequence(BigInteger P, BigInteger Q, BigInteger k, BigInteger n) ,max(BigInteger bi) , min(BigInteger bi) , modInverse(BigInteger modulus) , RabinMillerTest(int confidence) ,
标签： BigInteger class BIgInteger program
上传时间： 2013-12-23
上传用户：ynzfm
邻接矩阵类的根是A d j a c e n c y W D i g r a p h，因此从这个类开始。程序1 2 - 1给出了类的描述。程 序中，先用程序1 - 1 3中函数Make2DArray 为二组数组a 分配空间，然后对数组a 初始化，以描述 一个n 顶点、没有边的图的邻接矩阵，其复杂性为( n2 )。该代码没有捕获可能由M a k e 2 D A r r a y 引发的异常。在析构函数中调用了程序1 - 1 4中的二维数组释放函数D e l e t e 2 D
标签： 矩阵
上传时间： 2013-12-21
上传用户：lanjisu111
acm HDOJ 1051WoodenSticks Description: There is a pile of n wooden sticks. The length and weight of each stick are known in advance. The sticks are to be processed by a woodworking machine in one by one fashion. It needs some time, called setup time, for the machine to prepare processing a stick. The setup times are associated with cleaning operations and changing tools and shapes in the machine. The setup times of the woodworking machine are given as follows: (a) The setup time for the first wooden stick is 1 minute. (b) Right after processing a stick of length l and weight w , the machine will need no setup time for a stick of length l and weight w if l<=l and w<=w . Otherwise, it will need 1 minute for setup.
标签： WoodenSticks Description length wooden
上传时间： 2014-03-08
上传用户：netwolf
黑白点的匹配贪心算法 设平面上分布着n个白点和n个黑点，每个点用一对坐标（x, y）表示。一个黑点b=（xb,yb）支配一个白点w=(xw, yw)当且仅当xb>=xw和yb>=yw。若黑点b支配白点w，则黑点b和白点w可匹配（可形成一个匹配对）。在一个黑点最多只能与一个白点匹配，一个白点最多只能与一个黑点匹配的前提下，求n个白点和n个黑点的最大匹配对数。
上传时间： 2015-10-25
上传用户：zhliu007
“网络基本输入／输出系统”（Network Basic Input/Output System, NetBIOS）是一种标准的应用程序编程接口（ A P I），1 9 8 3年由S y t e k公司专为I B M开发成功)
标签： Network NetBIOS Output System
上传时间： 2015-12-09
上传用户：wanghui2438
This a calculator simulation program written in Labview. It is based on event structure introduced by Labviw 8.0 or later editions.
标签： calculator simulation introduced structure
上传时间： 2015-12-27
上传用户：123456wh
