📄 polyint.mht

📁 it is a very essential matlab code.

💻 MHT

字号:

From: <Saved by Windows Internet Explorer 7>
Subject: 
Date: Tue, 12 May 2009 09:50:28 -0700
MIME-Version: 1.0
Content-Type: text/html;
	charset="Windows-1252"
Content-Transfer-Encoding: 7bit
Content-Location: http://www.mece.ualberta.ca/Courses/mec390/390code/polyint.m
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=windows-1252">
<META content="MSHTML 6.00.6000.16825" name=GENERATOR></HEAD>
<BODY><PRE>function yp = polyint(x,y,xp)
% function polyint(x,y,xp)
%   perform polynomial interpolation
%   input:  x,y - data vectors
%           xp  - new abscissa vector 
%   output: yp  - polynomial interpolation on xp value(s)
%

n = length(x);
for i=1:n
  for j=1:n
    a(i,j) = x(i)^(j-1);
  end
end
b=a\y';
b = b(n:-1:1);      % reverses order of polynomial coefficients
yp = polyval(b,xp); % evaluate polynomial interpolation on xp
</PRE></BODY></HTML>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -