-
functionz
说明:
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。最常用的方法,也是函数spline所采用的方法,就是采用非扭结(not-a-knot)条件。这个条件强迫第一个和第二个三次多项式的三阶导数相等。对最后一个和倒数第二个三次多项式也做同样地处理。
(the Cubic Spline, to find three polynomial, approaching every right to point the data curve. The kind of terms, these data points called breakpoints. Because only two points a straight decisions, and in between the two curves can be used an infinite number of cubic polynomial approximation. Therefore, in order for the outcome of uniqueness. The Cubic Spline, add the cubic polynomial bound by the conditions. By limiting each cubic polynomial of the first order and second-order derivative, it breakpoint in the same Department, we can better identify all internal cubic polynomial. In addition, the polynomial approximation of these breakpoints slope and curvature is continuous. However, the last one and a cubic polynomial in a breakpoint and the final one, not accompanied by polynomials. There)
- 2006-03-15 21:19:29下载
- 积分:1
-
optimization-design
用最优化方法解决最优化问题的技术称为最优化技术,它包含两个方面的内容:
(1)建立数学模型,即用数学语言来描述最优化问题。模型中的数学关系式反映了最优化问题所要达到的目标和各种约束条件;
(2)数学求解,数学模型建好以后,选择合理的最优化方法进行求解。
(With optimization method to solve the optimization technology, called the optimum technology, it contains two aspects: (1) established the mathematical model, which is the mathematical language to describe the optimization problem. Model of the mathematical relationship reflects the optimal problem to achieve and all constraint conditions (2) solving mathematics, mathematical model built after, choice of reasonable solution of the optimization method.)
- 2012-04-17 17:12:15下载
- 积分:1
-
Communication-System-Simulation-1-2
通信系统仿真介绍的前面两章节的内容,讲述信号与线性系统和随机过程(Communication system simulation introduced in the previous two chapters, about the signals and linear systems and stochastic processes)
- 2013-04-12 13:34:07下载
- 积分:1
-
Crout1
此文件为MATLAB的M文件,功能是通过Crout分解法,解线性方程组。(This file is a MATLAB M-file function is through the the Crout decomposition method for solving linear equations.)
- 2012-11-14 21:05:52下载
- 积分:1
-
MATLAB_and_simulink_tutorial
matlab 和 simulink教程,很适用的(MATLAB_and_simulink_tutorial)
- 2009-03-10 14:47:42下载
- 积分:1
-
MATLAB_Quick_Reference
A collection of useful matlab commands for easy reference and lookup of commands, I hope you like it
- 2010-10-15 23:43:04下载
- 积分:1
-
matlab
基于matlab的数字基带系统各种调制解调链路,包括am,ssb,pcm等,对调制信号,误码率,眼图等进行了仿真(Matlab-based system, a variety of digital baseband modem link, including am, ssb, pcm, etc., on the modulation signal, the error rate, eye diagrams simulated)
- 2011-06-04 13:32:30下载
- 积分:1
-
matlab
设计电路对自己的电路不确定性的 可以用matlab的simulate仿真一下自己的电路图(this is a simple expriment if you want to study zhe simulate,you can have a look!)
- 2012-11-22 09:52:34下载
- 积分:1
-
newirr_filter
用matlab编写的数字信号滤波器!请大家多多指教啊!谢谢了(Matlab prepared by the digital signal filter! Please advice! :)
- 2010-05-18 17:06:11下载
- 积分:1
-
MOHAMMED_LAB3
Image Segmentation using Color-based segmentation and Normalizied Corss Correlation (NCC)
- 2014-11-08 01:00:23下载
- 积分:1