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牛顿法的程序实现
- 牛顿法的程序实现: 给的函数是f(x)=X*X-C 求导函数为ff() 也是在程序中已给定 若要修改则在程序中更改
VB_NUM5
- 用VB实现函数逼近的数值方法算法集。包括级数求和，切比雪夫逼近，积分和导数的切比雪夫逼近等五种函数逼近数值方法。-VB function approximation algorithm for the numerical method sets. Including the series, Chebyshev approximation, integral and derivative of Chebyshev approaching the five function approximatio
vbC9
- 用VB实现的函数的极致和最优化 包括黄金分割搜索法、不用导数的布伦特法 用导数的布伦特法、多元函数的山单纯形法、多元函数的变尺度法等-VB function of the body and optimization including 0.618 search, not derivative Brent Act, Brent derivative, the multi-function Hill simplex method, the multi-function as a criter
functionz
- 在三次样条中，要寻找三次多项式，以逼近每对数据点间的曲线。在样条术语中，这些数据点称之为断点。因为，两点只能决定一条直线，而在两点间的曲线可用无限多的三次多项式近似。因此，为使结果具有唯一性。在三次样条中，增加了三次多项式的约束条件。通过限定每个三次多项式的一阶和二阶导数，使其在断点处相等，就可以较好地确定所有内部三次多项式。此外，近似多项式通过这些断点的斜率和曲率是连续的。然而，第一个和最后一个三次多项式在第一个和最后一个断点以外，没有伴随多项式。因此必须通过其它方法确定其余的约束。最常
Devirate
- 利用样条插值求取一组数据点在各点的导数 (只提供函数)-using spline interpolation to strike a group of data points in the points in the derivative (only provide functions)
Eular_fixed_a_co2(xiu)
- Eular法解分数阶微分方程,分数阶导数定义系数通过fourier法计算-eular method of fractional differential equations, fractional derivative definition coefficient calculated by fourier
BDF_fixed_a_co2
- BDF法解分数阶微分方程,分数阶导数定义系数通过fourier法计算-BDF method of fractional differential equations, fractional derivative definition coefficient calculated by fourier
FivePoint.rar
- 五点光滑法。给出五个相邻的点，得到一条光滑的曲线。是对“四值型点插值法”中当前点导数的解算方法的的一种改善。,Five-point smoothing method. Five adjacent points is given by a smooth curve.
scyt
- 三次样条插值函数，可以用于计算插值，一阶导数，二阶导数-Cubic spline interpolation function can be used to calculate the interpolation, first derivative, second derivative
erjieqiudao
- 首先对函数求导数，然后求解方程组，得出原来方程的参数值-First order derivative function, and then solve the equations, the original equation derived parameter values
masplinehh
- 用途：三阶样条插值（一阶导数边界条件） 格式：m=maspline(x,y,dy0,dyn,xx), x为节点向量，y为数据， dy0,dyn为左右两端点的一阶导数如果xx缺省，则输出各节点的 的一阶导数值，，m为xx的三阶样条插值-Uses: third-order spline interpolation (first order derivative boundary condition) format: m = maspline (x, y, dy0, dyn, xx
NumericalAnalysis
- 数值分析的m文件，包括一阶 二阶导数的三点 五点公式，中点公式等-Numerical Analysis of m documents, including a second order derivative of the 3 5 point formula, midpoint formula, etc.
marr_laplacian
- 基于二阶导数的图像边缘检测方法，包括marr算法和laplacian算法-Second derivative-based edge detection methods, including marr algorithms and laplacian algorithm
1_order_FDM
- 一阶导数的常用差分逼近 求解df的差分逼近 flag标记使用的差分算法 算法来自周超红的《一阶导数的差分逼近汇总》 可按照里边的算法构造更高阶的差分逼近-First derivative of the common difference approximation approach for solving differential df flag tag algorithm using the difference method from the week of super
捷联惯导的matlab仿真.doc
- 导航系统中的捷联惯导，基于龙格库塔法和四元数法求解器位置和姿态，并求出其误差函数
suanfa
- 最优化方法\Cholesky分解.cpp 最优化方法\二阶导数计算.cpp 最优化方法\信赖域牛顿法.cpp 最优化方法\共轭梯度法.cpp 最优化方法\强迫正定Cholesky分解.cpp 最优化方法\直接法一维收索.cpp 最优化方法\解析法一维收索.cpp(\Cholesky decomposition of optimization methods.Cpp Optimization method [two order derivative calculation
Untitled10
- 先定义自变量，然后定义导数即有限差分之比，完成正弦函数的求导(First define the independent variable, then define the derivative, that is, the ratio of the finite difference, to complete the derivation of the sine function)
贝塞尔函数根分布及其导数
- 求第一类贝塞尔函数的根分布及其它的导数图形(The root distribution and its derivative of Bessel's function)
fluent的udf中求解二阶导数的方法
- fluent的udf中求解二阶导数的方法(The method of solving the two order derivative in the UDF of fluent)
fist_der
- 计算光谱原始曲线和一阶导数图，用于光谱分析的预处理方法(The original spectral curve and the first derivative diagram are calculated and used in the pretreatment of spectral analysis)