Classic Fourier Series

[Han]

(01-30-2015 06:48 PM)salvomic Wrote:  define the functions it works, but I get first a lot of warnings, like those claiming the use of Taylor or subs() and so on...
ex.: "Warning, evalueting univariate expression(value) like if expression was a function. You should write subst(t^2,t,taylorx21" if I try with t^2 as function

This may have to do with using an expression as a function. Are you passing a CAS function as your argument? Or are you passing a CAS expression?