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nihe
- 本程序实现各种算法的数据拟和,插值,解微分方程的功能,-the program algorithms to the data and, interpolation, the function of differential equations solution,
逢山开路模型
- 在本问题的求解中,修桥和挖隧道是两个相类似的求解过程,我们将求解过程分为两个部分:第一、对河岸边一固定点 ,将桥修在 处时,求解由起始点 到经固定点 到居民点 的最短路线。第二、如何确定 的位置,使得总路线的费用最小。我们分别用了两个模型来进行这两部分内容的求解。模型一、针对坡度的限制,利用小区域内的局部最优来达到全局最优。模型二、列出点 有一定的位移时,可以减少的费用 的函数方程,然后利用河岸附近等高线较紧密,公路不能沿偏离等高线方向
多功能计算系统
- 计算器,界面极其漂亮。可作各种科学计算,解方程,解三角形和进制转换,功能强大-calculator, the interface is extremely beautiful. For various scientific terms, solving equations, the solution of triangular and base for the conversion, powerful
用Gauss列主元消元法解线性方程组
- 解方程: 用Gauss列主元消元法解线性方程组 -solution equation : Gauss out PCA elimination method for solving linear equations using Gauss out PCA elimination method for solving linear equations
n-s
- 四阶龙格库塔法求解流体力学-- 关于N-S方程的串行求解源程序-four bands Runge Kutta method hydrodynamics -- on the Navier-Stokes equations to solve the serial source
multigrid
- 一个关于多重网格的程序,解得是一个周期的非线性方程,当然也可以换成其他边界的-a grid of multiple procedures, that there is a solution to the cycle of nonlinear equations, of course, could be replaced with other border
difference
- 关于差分方程的一个程序,很简的二维椭圆方程,区域是1x1-differential equations on a procedure for the very simple two-dimensional elliptic equation, the region is 1x1
LogisticEq
- 混沌(Chaos),Logistic方程 X(n) = k*X(n-1)*( 1-X(n-1) ),即二次函数 f(x) = k*x(1-x), 选择适当的常数k,选择初始值 x0,迭代计算: x1=f(x0), x2=f(x1), x3=f(x2),..., 序列{ Xn }的整体\"状态\",敏感的依赖于常数k和初始值x0, 序列可能收敛,也可能,\"乱七八糟\"地振荡--产生混沌Chaos!-Chaos (Chao
yulewalker
- 现代谱估计用莱文森-德宾(Levinson-Durbin)算法求解尤利-沃克(Yule-Walker)方程。 形参说明: r:双精度实型一维数组,存放Yule-Walker方程的元素r(0),r(1),...r(p)。 p:AR模型阶数。 a:AR模型系数a(0),a(1),...a(p)。 v:预测误差功率- The modern spectrum estimated (Levinson-Durbin) the a
解高次幂方程12
- 由于对两次以上的高次函数求解比较不方便 本程序将为你提供便捷-due to more than two high-function solution more inconvenient this program will provide you with convenient
cedif
- 一致性扩散原理求解偏微分方程,常用来进行超声图像的斑纹噪声消除算法-consistency proliferation principles of nonlinear partial differential equations, commonly used to stain the ultrasound image noise reduction algorithm
MFCerfen
- 用二分法解高阶方程的近似解。区间范围合计算精度可调,每一步的计算结果一列表的形式显示出来,一目了然-dichotomy solution with the higher-order equation approximate solution. The scope of a range accuracy adjustable every step of the calculation results in the form of a li
tridiag
- 追赶法求解三对角矩阵是数值算法中重要的一种,这个利用了求借热传导方程-chased solve three-diagonal matrix numerical algorithm is an important, the use of the demand by heat conduction equation
diedaifajisuangen
- 用newton迭代法求方程根的源代码 给出了newton迭代法的实现-with chemotherapy iterative method for equation of the source code is given to the Newton iterative method to achieve
爱因斯坦传
- “方程对我而言更重要些,因为政治是为当前,而一个方程却是一种永恒的东西。”-"equation for me more important, because politics is for the current, and an equation is an eternal things."
difequ
- defequ,是用来解偏微分方程的求解器。能够自主定义边界条件,并且可以得到图示的效果。-defequ is used solution of partial differential equations solver. Autonomy definition of boundary conditions, and can be Picture shows the effect.
heat1
- 利用Crank-Nicolson 方法解决偏微分方程-using Crank-Nicolson solution PDE
heat2
- 使用ADI方法解偏微分方程(二微加热器方程)-ADI method for the use of partial differential equations (2 micro-heater equation)
the_ th
- 枚举法(穷举法) “笨人之法”: 把所有可能的情况一一测试,筛选出符合条件的各种结果进行输出。 【例一】百元买百鸡:用一百元钱买一百只鸡。已知公鸡5元/只,母鸡3元/只,小鸡1元/3只。 分析: 这是个不定方程——三元一次方程组问题(三个变量,两个方程) x+y+z=100 5x+3y+z/3=100 设公鸡为x-enumeration method (exhaustive) "Be
vbC13
- 用VB语言实现偏微分方程的解法 包括解边值问题的松弛法、交替方向隐式方法等-VB language PDE solution of the boundary value problems including Xie relaxation method, alternating direction implicit methods