Description: 抛物线法求解
方程的构造方法:给出[0,1]区间上的随机数(服从均匀分布)作为方程的根p*.
设你的班级数为a3,学号的后两位数分别为a2与a1,从而得到你的三次方程
例如:你的31班的12号,则你的方程是21x3+60x2+2x+a0=0的形式.
方程中的系数a0由你得到的根p*来确定.
-parabolic equation method Construction Methods : given interval [0,1] on the random number (subject to uniform distribution) as the root equation p *. set up your classes at a3, after learning of the double-digit for a1 and a2, so you get the three equations for example : your 31 classes on the 12th, then your equation is 21x3 60x2 2x a0 = 0 forms. the equation coefficients a0 you get from the root of p * to determine. Platform: |
Size: 883 |
Author:董方 |
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Description: 抛物线法求解
方程的构造方法:给出[0,1]区间上的随机数(服从均匀分布)作为方程的根p*.
设你的班级数为a3,学号的后两位数分别为a2与a1,从而得到你的三次方程
例如:你的31班的12号,则你的方程是21x3+60x2+2x+a0=0的形式.
方程中的系数a0由你得到的根p*来确定.
-parabolic equation method Construction Methods : given interval [0,1] on the random number (subject to uniform distribution) as the root equation p *. set up your classes at a3, after learning of the double-digit for a1 and a2, so you get the three equations for example : your 31 classes on the 12th, then your equation is 21x3 60x2 2x a0 = 0 forms. the equation coefficients a0 you get from the root of p * to determine. Platform: |
Size: 790 |
Author:董方 |
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Description: 抛物线法求解
方程的构造方法:给出[0,1]区间上的随机数(服从均匀分布)作为方程的根p*.
设你的班级数为a3,学号的后两位数分别为a2与a1,从而得到你的三次方程
例如:你的31班的12号,则你的方程是21x3+60x2+2x+a0=0的形式.
方程中的系数a0由你得到的根p*来确定.
-parabolic equation method Construction Methods : given interval [0,1] on the random number (subject to uniform distribution) as the root equation p*. set up your classes at a3, after learning of the double-digit for a1 and a2, so you get the three equations for example : your 31 classes on the 12th, then your equation is 21x3 60x2 2x a0 = 0 forms. the equation coefficients a0 you get from the root of p* to determine. Platform: |
Size: 1024 |
Author:董方 |
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Description: 抛物线法求解
方程的构造方法:给出[0,1]区间上的随机数(服从均匀分布)作为方程的根p*.
设你的班级数为a3,学号的后两位数分别为a2与a1,从而得到你的三次方程
例如:你的31班的12号,则你的方程是21x3+60x2+2x+a0=0的形式.
方程中的系数a0由你得到的根p*来确定.
-parabolic equation method Construction Methods : given interval [0,1] on the random number (subject to uniform distribution) as the root equation p*. set up your classes at a3, after learning of the double-digit for a1 and a2, so you get the three equations for example : your 31 classes on the 12th, then your equation is 21x3 60x2 2x a0 = 0 forms. the equation coefficients a0 you get from the root of p* to determine. Platform: |
Size: 1024 |
Author:董方 |
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Description: 文章介绍了海洋界面参数估计及传播损失的射线声学预报方法-Article introduced the marine interface parameter estimation and dissemination of the loss of forecasting methods for acoustic ray Platform: |
Size: 264192 |
Author:王云峰 |
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Description: 实时仿真系统中关于坦克炮炮弹外弹道仿真方法还不成熟，该文在分析了现有几种方法
优缺点的基础上，提出基于射表的抛物线拟合方法，并给出了程序流程图以及几种拟合曲线方程。
通过实际应用证明这种方法运算简便、快捷，可以满足实时仿真的要求，而且可以推广到装甲步兵战车等类似系统上使用。
-Real-time simulation system on the tanks, artillery shells outside the trajectory simulation methods are not yet ripe, the analysis of the existing advantages and disadvantages of several methods based on radio-based meter parabolic fitting method, and gives the program flow chart, as well as Several curve fitting equation. Through the practical application of proven methods of computing such a simple, fast, able to meet the requirements of real-time simulation and can be extended to the armored infantry fighting vehicles, such as the use of similar systems. Platform: |
Size: 62464 |
Author:木木 |
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Description: 利用龙格库塔法（等步长，变步长）计算椭圆方程，双曲线方程，抛物线方程等。对各类微分方程进行数值计算。-The use of Runge-Kutta method (such as step, variable step size) calculated elliptic equations, hyperbolic equations, such as parabolic equation. Various types of differential equations for numerical calculation. Platform: |
Size: 299008 |
Author:袁昌明 |
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Description: 抛物线方程法计算水声远场传播损失仿真代码-Parabolic equation method to calculate the far field of underwater acoustic transmission loss simulation code Platform: |
Size: 19456 |
Author:成天乐 |
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Description: 一维抛物型方程的显式差分法程序，以平板的温度场为例-One-dimensional parabolic equation the explicit difference method procedures in order to plate the temperature field as an example Platform: |
Size: 1024 |
Author:孔霖 |
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Description: 打靶法解薛定谔方程利用matlab软件，采用打靶法结合Numerov算法进行求解定态薛定谔方程的本征值和本征方程。在位势为不同的抛物势时，都能求解出符合精度要求的本征值和本征方程。-Shooting method to solve the Schrodinger equation using matlab software, using the shooting method combined Numerov algorithm to solve the steady-state Schrodinger equation eigenvalues and eigen equation. Reign potential for different parabolic potential, the solution can meet the accuracy requirements of the eigenvalues and eigen equation. Platform: |
Size: 64512 |
Author:bailuer |
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Description: 抛物型方程基于POD方法的时间二阶中心差的时间二阶精度简化有限元格式Parabolic equation based on POD method of time two order central difference time two order precision simplified finite element scheme-Parabolic equation based on POD method of time two order central difference time two order precision simplified finite element scheme Platform: |
Size: 1700864 |
Author:2ndprince |
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Description: 从上世纪90年代开始，Barrios和Patterson领导的美国海军部研究小组就开始研究预测复杂环境下电波传播特性的PE模型。Barrios提出了同时在水平方向和垂直方向对大气折射率进行线性内插的方法Barrios编写了TPEM(Terrain Parabolic Equation Model)的程序代码-Since the 1990 s, Barrios and the leadership of the admiralty Patterson American research group began to study projecting a complicated environment radio waves propagation characteristics of PE model. Put forward at the same time in Barrios horizontal and vertical direction of atmospheric refractive index to the linear interpolation method Barrios wrote TPEM (Terrain Parabolic Equation Model) program code
Platform: |
Size: 184320 |
Author:雨之韵律 |
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Description: 1：利用差分方法数值求解抛物方程，适当改编后，可以用于求解其他的抛物方程,2,： 利用符号运算计算lagrange插值基函数。-1: Using the method of differential numerical solution of parabolic equations, appropriately adapted, can be used to solve parabolic equation 2: the use of symbolic computation lagrange interpolation basis function. Platform: |
Size: 1024 |
Author:小蒋 |
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Description: 用matlab解偏微分方程的各种方法，包括pdepe函数，pde工具箱，有限差分法等。偏微分方程类型包括椭圆形，抛物线型等。-Matlab solution of partial differential equation for all kinds of methods, including pdepe function, pde toolbox, finite difference method, etc. Partial differential equation types including elliptic, parabolic, etc.
Platform: |
Size: 6025216 |
Author:艾荷 |
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Description: 使用有限差分法和分裂步傅里叶解法求解抛物方程，并增加散射体和地形的建模仿真。-Using the finite difference method and the split-step Fourier solution for solving the parabolic equation, and increase the scatterer and terrain modeling and simulation. Platform: |
Size: 18432 |
Author:周亮 |
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Description: Fortran files treats the constrained optimal control problem of a quasilinear parabolic equation. The extrior penalty function method
is used to transform the constrained optimal control problem into an unconstrained problem. Platform: |
Size: 2636800 |
Author:Mohamed A. El-Sayed |
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Description: 讨论了二维变系数抛物型方程的参数识别反问题，将其归为最优化问题，指定待定参数的函数类形式，用拟牛顿法来演化待求参数的最优估计值，并将该方法运用于线性扩散方程和具有分段函数系数的二维抛物型方程的参数识别反问题的数值模拟中，数值结果表明拟牛顿法是有效的和可行的。-Discuss parameter identification dimensional variable coefficient parabolic equation inverse problem, which was classified as an optimization problem, specify the class of functions in the form of parameters to be determined, with the quasi-Newton method to estimate the evolution of the optimal parameters of the unknown, and the method parameter identification applied to linear equations and diffusion coefficient D having piecewise parabolic equations numerical simulation of inverse problems for the numerical results show that the quasi-Newton method is effective and feasible. Platform: |
Size: 202752 |
Author:akd |
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