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源文件.rar
- 二: 普通计算器的设计说明: 1 普通计算器的主要功能(普通计算与逆波兰计算): 1.1主要功能: 包括 a普通加减乘除运算及带括号的运算 b各类三角与反三角运算(可实现角度与弧度的切换) c逻辑运算, d阶乘与分解质因数等 e各种复杂物理常数的记忆功能 f对运算过程的中间变量及上一次运算结果的储存. G 定积分计算器(只要输入表达式以及上下限就能将积分结果输出)
vbC12
- 用VB实现解常微分方程组 包括定步长四阶龙格-库塔法、自适应变步长的龙格-库塔法、改进的中点法、外推法等-VB solution of ordinary differential equations including fixed step 4-order Runge - Kutta method, adaptive variable step of the Runge - Kutta method to improve the m
solution-of-Differential-equation-group
- 提供了4种解常微分方程组的c++代码:定步长四阶龙格-库塔(Runge-Kutta)法(RK4->RKDUMP); 自适应变步长的龙格-库塔(Runge-Kutta)法(RKQC->ODEINT); 改进的中点法(MMID); 外推法(BSSTEP(RZEXTR(有理函数), PZEXTR(多项式));-provide four kinds of solutions of ordinary differential equa
r_K
- 用四阶(定步长)龙格--库塔法求解初值问题,其中一阶微分方程未y =f(x,y)-with four bands (fixed step) Runge -- Kutta method to solve initial value problems, not an order differential equation y = f (x, y)
RungeKutta_4
- 以lorenz吸引子为例说明四阶定步长Runge-Kutta算法 详情见程序说明-to attract son as an example to illustrate four bands will step Runge - Kutta algorithm detailed descr iption of the procedures
rk4
- function [tout, yout] = rk4(ypfun, tspan, y0, h) %定步长四阶Runge-Kutta法求常微分方程(组)数值解 %[tout,yout] = rk4( ypfun , tspan, y0,h) % 这里字符串ypfun是用以表示f(t, y)的M文件名, % tspan=[t0, tfinal]表示自变量初值t0和终值tf % y0表示初值向量y0,h是步长。 %
RGKT3
- 用c语言编程,定步长基尔法求解一阶常微分方程,给定一阶常微分方程的初值问题。-with c programming language, will step Kiel method of first-order differential equations, given an order ordinary differential equation initial value problems.
arima
- matlab ARIMA模型 模型定阶也就是输入的r,m要适当,我按你的数据保留前七个后,输入R=1,M=2 -arima model
AICdingjie
- 此程序是基于AIC定阶的系统辨识程序,是在MATLAB环境下编写的-This procedure is based on AIC given order system identification program is written in MATLAB
CanCaBaiSeDingJie
- 此程序是基于按残差白色定阶的系统辨识程序,是在MATLAB环境下编写的-This procedure is based on the order given by the residual white system identification procedure is to write in the MATLAB environment
granger_cause_BIC
- Granger因果检验的程序,用BIC信息准则进行定阶,很实用。-Granger causality test procedures, using BIC information criterion to determine the order, it is practical!
xitongbianshi
- 系统辨识数据辨识模块方法程序汇总包括最小二乘残差白色定阶-System identification data identification module comprises a method of least squares residual white rollup order determination
arma
- ARMA的MATLAB代码,包含自动定阶和参数识别等,代入数据可直接用,不坑。-ARMA MATLAB code, including automatic order and parameter identification, etc., can be used directly into the data, not pit.
四阶
- 4阶定步长龙格库塔,数值算法专用程序,实测可靠(4 order constant step Runge Kutta)
tvd
- 二维非定常激波管问题数值模拟方法的TVD(A numerical method for two-dimensional unsteady shock tube problems TVD)
ARMA
- 采用MATLAB实现arma时间序列的建模与预报(Modeling and forecasting of ARMA implementation time series)
ode3
- 三阶定步长龙格库塔法,可解变参微分方程组,亲测可用。。。。(runge-kutta fixed-step)
ode4
- 四阶定步长龙格库塔法,可用于变参微分方程组,亲测可用。。。。。(runge-kutta fixed-step)
ode5
- 定步长五阶龙格库塔法,可解变参微分方程组,亲测可用。。。。。。。。(runge-kutta fixed-step)
ode4
- 在matlab平台中,定步长,解3-4阶常微分方程组(Solution of ordinary differential equation)