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Description: autolisp编写的解决一元线性方程的程序，用了3种方法。-autolisp prepared solve a linear equation procedures used three methods.
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Size: 10765 |
Author: highflybird |
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Description: These program can solve first and second degree polynomial equation. It evens works when the roots are complex numbers(when delta is a negative value).
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Size: 2048 |
Author: 陆俊 |
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Description: 数据预测算法，主要是一元n次方程的回归预测实现。* 预测分析--本算法只适用于有明显线性趋势的数据 * 默认为一元二次曲线方程法 * * 本程序主要涉及有两个算法 * 1．用最小二乘原理找到线性方程组的系数和常数。 * 2．解线性方程组 * 本程序在解线性方程组中，由于考虑到收敛性问题未采用迭代法，而是采用Gauss-Jordan消去法来解决。-data prediction algorithm is mainly one yuan n equation forecast to achieve reunification.* Forecast and Analysis-- This algorithm applies only to clear linear trend data* default as a quadratic curve equation method** The procedure involves two main algorithm* 1. Using the principle of least squares linear equations to find the constants and coefficients.* 2. The solution of linear equations* The procedure for solving linear equations, due to convergence problems using iterative method, instead of using the Gauss-Jordan elimination method to solve.
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Size: 2048 |
Author: 吴名 |
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Description: 用欧拉方法和龙格－库塔方法求微分方程数值解，画出解的图形，对结果进行比较分析。-using Euler method and RK method to solve the differential equations ,ploting the graph of the solution, compare and analyze the solutions
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Size: 100352 |
Author: 葛林 |
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Description: 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前进的特性，求出减少的费用 的条件极值，从而确定最佳修桥地点 。最后，我们利用模型一、二的原理对隧道部分的公路做了同样的优化设计，然后得出总的修路费用估计为324万元，较合理。最后，我们对整个做法的误差及合理性做了分析。-in solving this problem, building bridges and two tunnels are dug similar to the solution process, we will be solving process is divided into two parts : the first, on the banks of the river a fixed point of the bridge repair in the Department, from the starting point to solve by the fixed point to settlements in the shortest routes. Second, how to determine the location, making the cost of the smallest general line. We were using the two models, both part of the solution. One model, the slope of the restrictions against use of the local small areas to achieve optimum global optimum. Model 2, listing a certain point of displacement, can reduce the cost of the equation, and then using the riverbank near the contours more closely, not along the highway from contour direction of the character
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Size: 194560 |
Author: 李凌 |
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Description: 差分法求解微分方程：古典显式法,收敛性最差；古典隐式法；Crank-Nicolson法,收敛性最好-difference method to solve the differential equation : Explicit classical method, the worst convergence; Classical implicit; Crank-Nicolson, the best convergence
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Size: 2048 |
Author: 叶真 |
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Description: 利用Matlab求解带有时间延迟的Mackey-Glass系统，在非线性动力学中经常用到。可以用来求解类似的延迟微分方程系统。-using Matlab time delay with the Mackey-Glass Systems, Nonlinear Dynamics frequently used. Can be used to solve the differential equation similar to the delayed system.
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Size: 1024 |
Author: 贾强 |
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Description: 利用Maltab求解变参数lorenz方程,在非线性动力学和混沌研究中经常遇到类似的问题。本程序也可以求解类似的有变参数的微分方程系统如Chen system, Lv system, Rossler system 等。-use Maltab variational parameters lorenz equation, Nonlinear Dynamics and Chaos often encountered similar problems. The procedures also can be used to solve a similar change in the differential system parameters such as Chen system, Lv system, such as Rossler system.
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Size: 1024 |
Author: 贾强 |
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Description: autolisp编写的解决一元线性方程的程序，用了3种方法。-autolisp prepared solve a linear equation procedures used three methods.
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Size: 10240 |
Author: highflybird |
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Description: 谱域法求解电磁场扩散方程的Fortran程序
A working example of solving the electromagnetic diffusion equation using a spectral method-Spectral domain method to solve electromagnetic field diffusion equation Fortran procedure A working example of solving the electromagnetic diffusion equation using a spectral method
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Size: 14336 |
Author: danielwood |
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Description: 偏微分方程数值解-
这是矩阵的紧致存储及在紧致存储的矩阵上用共轭梯度(CG)方法解Poisson方程的实现, gcc mingw 3.4.4下通过-Numerical solution of partial differential equations- this is the matrix of the compact storage and storage in a compact matrix conjugate gradient (CG) method to solve Poisson equation realize, gcc mingw 3.4.4 through
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Size: 7168 |
Author: 赵汗青 |
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Description: SOLVE THE HELMHOLTZ
EQUATION ON AN ARBITRARY BOUNDED 3 DIMENSIONAL REGION-SOLVE THE HELMHOLTZ EQUATION ON AN ARBITRARY BOUNDED 3 DIMENSIONAL REGION
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Size: 16384 |
Author: jrjin |
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Description: 自己写的求解波松方程的matlab程序
并采用两种方法求解
-Writing their own to solve Poisson equation matlab program and the use of two methods for solving
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Size: 1024 |
Author: 周军 |
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Description: The objectives of Partial Differential Equation Toolbox™ software are to
provide you with tools that:
• Define a PDE problem, e.g., define 2-D regions, boundary conditions, and
PDE coefficients.
• Numerically solve the PDE problem, e.g., generate unstructured meshes,
discretize the equations, and produce an approximation to the solution.
• Visualize the results.-The objectives of Partial Differential Equation Toolbox™ software are to
provide you with tools that:
• Define a PDE problem, e.g., define 2-D regions, boundary conditions, and
PDE coefficients.
• Numerically solve the PDE problem, e.g., generate unstructured meshes,
discretize the equations, and produce an approximation to the solution.
• Visualize the results.
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Size: 2468864 |
Author: yanggy |
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Description: 一维线性齐次波动方程，用matlab语言实现，利用边界值和边界条件进行求解-One-dimensional linear homogeneous wave equation, with the matlab language, use of boundary value and boundary conditions to solve
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Size: 141312 |
Author: 李琨 |
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Description: 非线性方程，方程组求解,利用求非线性方程实根的对分法和求非线性方程组一组实根的梯度法-Nonlinear equation solve
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Size: 103424 |
Author: 闫志敏 |
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Description: 利用matlab开发一套求解雷诺方程的办法，利用有限差分法。-Using matlab to develop a solution to the Reynolds equation approach, using the finite difference method.
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Size: 1024 |
Author: zhangyunshan |
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Description: 一维burgers 方程数值模拟，对burgers方程解的物理意义作了较好阐述，英文的，不过内容真的很不错，国外计算物理杂志的文章。。。推荐-one dimension burgers equation solve
。。。
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Size: 94208 |
Author: 郝大宝 |
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Description: sdre solving mfile equation solve
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Size: 1024 |
Author: mrk |
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Description: How to find the solutions of a third order equation by using C#.
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Size: 192512 |
Author: cooldan |
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