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涵蓋各種主要的函數逼近算法代碼,實用,強大!

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代碼片段和文件信息

function?f?=?Chebyshev(ykx0)
syms?t;
T(1:k+1)?=?t;
T(1)?=?1;
T(2)?=?t;
c(1:k+1)?=?0.0;

c(1)=int(subs(yfindsym(sym(y))sym(‘t‘))*T(1)/sqrt(1-t^2)t-11)/pi;
c(2)=2*int(subs(yfindsym(sym(y))sym(‘t‘))*T(2)/sqrt(1-t^2)t-11)/pi;
f?=?c(1)+c(2)*t;

for?i=3:k+1
????T(i)?=?2*t*T(i-1)-T(i-2);
????c(i)?=?2*int(subs(yfindsym(sym(y))sym(‘t‘))*T(i)/sqrt(1-t^2)t-11)/2;
????f?=?f?+?c(i)*T(i);
????f?=?vpa(f6);
????
????if(i==k+1)
????????if(nargin?==?3)
????????????f?=?subs(f‘t‘x0);
????????else
????????????f?=?vpa(f6);
????????end
????end
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????575??2006-11-25?02:13??第5章??函數逼近\Chebyshev.m

?????文件????????136??2006-11-25?01:27??第5章??函數逼近\DFF.m

?????文件????????303??2007-03-17?13:16??第5章??函數逼近\FZZ.m

?????文件????????526??2006-11-25?02:14??第5章??函數逼近\Legendre.m

?????文件???????2997??2008-04-09?23:51??第5章??函數逼近\lmz.m

?????文件????????408??2008-04-09?23:56??第5章??函數逼近\LZXEC.m

?????文件????????472??2007-02-26?11:01??第5章??函數逼近\multifit.m

?????文件????????780??2006-11-25?01:58??第5章??函數逼近\Pade.m

?????文件???????1728??2008-04-09?23:49??第5章??函數逼近\SmartBJ.m

?????文件???????1991??2008-04-09?23:50??第5章??函數逼近\SmartYTBJ.m

?????文件????????492??2008-04-09?23:52??第5章??函數逼近\ZJPF.m

?????文件???????1350??2008-04-09?23:50??第5章??函數逼近\ZJZXEC.m

?????目錄??????????0??2008-12-07?22:26??第5章??函數逼近

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????????????????11758????????????????????13


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