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szfxsy1
实验一:三次样条插值(P56,例6)
一、实验目的:
1) 掌握三次样条插值的运用
2) 了解拉格朗日插值在高次上的误差
二、实验环境:Matlab6.5
三、实验内容:
1) 给定函数f(x)=1/(1+x2),-5<=x<=5,节点xk=-5+k,(k=0,1,2…10),用三次样条插值求S10(x),S10’(-5)=f’(-5),S10’(5)=f’(5)。
2)作原函数f(x),拉格朗日插值函数Ln(x),三次样条差值函数Sn(x)。画出三个函数的图像,比较它们的区别。
(Experiment I: cubic spline interpolation (P56, cases of 6) First, the experiment was: 1) cubic spline interpolation to master the use of 2) understanding of Lagrange interpolation in high-error second, experimental environment: Matlab6 .5 c, experimental elements: 1) a given function f (x) = 1/(1+ x2),-5 <= x <= 5, node xk =- 5+ k, (k = 0,1,2 ... 10), using cubic spline interpolation for S10 (x), S10 (-5) = f (-5), S10 (5) = f (5). 2) for the original function f (x), the Lagrange interpolation function Ln (x), cubic spline difference function Sn (x). Draw the three functions of images, compare the difference between them.)
- 2009-01-18 23:06:15下载
- 积分:1
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1673
matlab仿真微分方程,分别用欧拉法,改进欧拉法,龙格库塔法,四阶adams显式隐式算法对比精度。(matlab simulation of differential equations, respectively, with Euler, improved Euler method, Runge-Kutta method, fourth-order implicit algorithm adams explicit comparison accuracy.)
- 2013-08-02 10:50:14下载
- 积分:1
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Desktop
人脸定位代码,短小但精度和速度都很高,matlab版本不能太低(Face location code, a short but very high accuracy and speed,)
- 2013-12-15 09:58:19下载
- 积分:1
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apf12
说明: 电力有源滤波器仿真电路图子电路图之三,算法是经典的dq0算法(APF circuit simulation circuit-ter, the algorithm is the classic dq0 Algorithm)
- 2005-12-05 11:04:30下载
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fahanshu
进退法 罚函数法 0.618方法程序过程 分别用matlab以及c两种语言(0.618 retreat France penalty function methods and procedures to process)
- 2013-11-19 10:04:43下载
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DESIIR
利用双线性Z变换设计巴特沃斯和切比雪夫I型IIR数字滤波器,包括低通、高通、带通、带阻四种形式。使用者只需指定通带、阻带的边缘实际频率及相应的衰减,便可输出数字滤波器 的级联形式的各子系统分子、分母的系数,并输出其幅频和相频响(Bilinear Z transform design Butterworth and Chebyshev Type I IIR digital filters, including low pass, high pass, band pass, band stop four forms. Users simply specify the passband edge frequency stopband actual and corresponding attenuation subsystems can form molecular cascade output digital filter coefficients of the denominator, and the output of its magnitude and phase frequency response)
- 2014-02-22 18:27:52下载
- 积分:1
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gpc
model predictive control with constraints gpc with constraint some examples 10 from matlab book(gpc with constraint)
- 2020-11-19 21:39:38下载
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for_the_curious_reader
< 超宽带无线电基础>>的第十章原代码,主要用于超宽带无线电信号波形的产生信道估计\扩频通信等等,内容非常丰富.()
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S3EIG
Design and Performance Evaluation
of Subsynchronous Damping Controller
With STATCOM
- 2010-10-18 21:58:01下载
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KSVD-P-Sparse-Representation
K-SVD SPARSE REPRESENTATION 基于学习的稀疏表示图像分析方法,以去噪为例。(K-SVD SPARSE REPRESENTATION)
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