Evaluating Taylor expansion
in [Matlab]
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From: Steven Lord on 9 Feb 2010 13:14 "Manuel " <m.pinuela09(a)imperial.ac.uk> wrote in message news:hks7s5$ge7$1(a)fred.mathworks.com... > Thanks!! this is what I was looking for. Is there any other instruction > that does the same but with higher precision? Use SUBS ... but as I said before: > "Steven Lord" <slord(a)mathworks.com> wrote in message > <hks5rt$9lj$1(a)fred.mathworks.com>... *snip* >> Since this is a polynomial, and assuming you don't need to evaluate this >> in greater-than-double precision, use SYM2POLY and then POLYVAL. [In any >> case, you're going to need to convert the values to double at some point >> in order to plot the function.] -- Steve Lord slord(a)mathworks.com comp.soft-sys.matlab (CSSM) FAQ: http://matlabwiki.mathworks.com/MATLAB_FAQ
From: Manuel on 9 Feb 2010 13:38
Thanks! "Steven Lord" <slord(a)mathworks.com> wrote in message <hks8mr$aba$1(a)fred.mathworks.com>... > > "Manuel " <m.pinuela09(a)imperial.ac.uk> wrote in message > news:hks7s5$ge7$1(a)fred.mathworks.com... > > Thanks!! this is what I was looking for. Is there any other instruction > > that does the same but with higher precision? > > Use SUBS ... but as I said before: > > > "Steven Lord" <slord(a)mathworks.com> wrote in message > > <hks5rt$9lj$1(a)fred.mathworks.com>... > > *snip* > > >> Since this is a polynomial, and assuming you don't need to evaluate this > >> in greater-than-double precision, use SYM2POLY and then POLYVAL. [In any > >> case, you're going to need to convert the values to double at some point > >> in order to plot the function.] > > -- > Steve Lord > slord(a)mathworks.com > comp.soft-sys.matlab (CSSM) FAQ: http://matlabwiki.mathworks.com/MATLAB_FAQ > |