fnchg.m

演示matlab曲线拟和与插直的基本方法

% FNCHG   宆偺峔惉梫慺偺曄峏
%
% FNCHG(FN,PART,VALUE) 偼丄FN 偺巜掕偝傟偨 PART 傪梌偊傜傟偨 VALUE 偵
% 曄峏偟傑偡丅
% PART 偼丄埲壓偺(愭摢偺僉儍儔僋僞)偺偄偢傟偐偵側傝傑偡丅
%      'dimension'     娭悢偺僞乕僎僢僩偺師尦
%      'interval'      娭悢偺婎杮嬫娫
%
% 暥帤楍 PART 偺嵟屻偵暥帤 z 偑偁傞偲丄PART 偵懳偟偰巜掕偝傟偨 VALUE 偺
% 偳偺僠僃僢僋傕徣棯偟丄FN 偲堦抳偝偣傑偡丅
%
% 椺戣: FNDIR 偼丄N師尦偺抣傪傕偮娭悢偵揔梡偝傟偨偲偒偱傕丄儀僋僩儖抣偺
% 娭悢傪弌椡偟傑偡丅偙傟偼丄埲壓偺傛偆偵廋惓偡傞偙偲偑偱偒傑偡丅
%
%      fdir = fnchg( fndir(f,direction), ...
%                    'dim',[fnbrk(f,'dim'),size(direction,2)] );
%
% 嶲峫 FNBRK


%   Copyright 1987-2004 C. de Boor and The MathWorks, Inc.