spval.m

演示matlab曲线拟和与插直的基本方法

% SPVAL   B-宆偺娭悢偺昡壙
%
% V = SPVAL(SP,X) 偼丄B-宆偑 SP 撪偵偁傞娭悢 f 偺 X 偺梫慺偱偺抣傪弌椡
% 偟傑偡丅
% V = SPVAL(PP,X,'l<anything>') 偼丄嵍懁偑楢懕偱偁傞 f 傪庢摼偟傑偡丅
% f 偑m曄悢偱丄3斣栚偺擖椡堷悢偑幚嵺偵m梫慺偺僙儖丄偨偲偊偽 LEFT 偺応崌丄
% LEFT{i}(1) = 'l' 偱偁傟偽丄i斣栚偺曄悢偵偮偄偰嵍偐傜楢懕偵側傝傑偡丅
%
% 戝傑偐偵尵偆偲丄V 偼丄X 偺奺梫慺傪 f 偺偦偙偱偺抣偵傛偭偰抲偒姺偊傞
% 偙偲偱摼傜傟傑偡丅FNVAL 偵懳偡傞僿儖僾偱愢柧偝傟偰偄傞傛偆偵丄徻嵶偼丄
% f 偑僗僇儔抣偐偦偆偱側偄偐丄傑偨 f 偑1曄悢偐偦偆偱側偄偐偵傛偭偰寛傑傝
% 傑偡丅
%
% 嶲峫 : FNVAL, PPUAL, RSVAL, STVAL, PPVAL.


%   Copyright 1987-2003 C. de Boor and The MathWorks, Inc.