Issue with input arguements in a function

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Carl
Carl 2011-9-13
No matter how I change the function highlighted at the bottom I cannot get rid of the error: ??? Error using ==>@(f,t,n) Too many input arguments. I have read through Mathworks help description and examples of function arguments and I do not see a error in this function. Any help on this would be greatly appreciated.
syms t k n
evalin(symengine,'assume(k,Type::Integer)');
f = @(t)evalin(symengine,['subs(piecewise([0 <= t and t < 2,',...
'sin((Pi*t^2)/4)],[t <= 2 and t < 3, 5*t-t^2-6], [t <=3 and t < 4, 0],',...
'[Otherwise, t-4]),t=',regexprep(mat2str(x),' ',','),')']);
a = @(f,t,k) int(f*cos(k*pi*t/4)/4,t,-2,8);
b = @(f,t,k) int(f*sin(k*pi*t/4)/4,t,-2,8);
ERROR OCCURS HERE
fs = @(f,t,n) a(f,t,0)/4 + ...
symsum(a(f,t,k)*cos(k*pi*t/4) + b(f,t,k)*sin(k*pi*t/4),k,1,n);
g = fs;
pretty(fs(g,t,25,1))
ezplot(fs(g,t,25,1),-2,8)
hold on
ezplot(f,-2,8)
hold off
title('Partial sum with n=25')

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采纳的回答

Walter Roberson
Walter Roberson 2011-9-13
Urrr -- you are aware that just 2 and 3 lines down, you call fs with four arguments instead of 3 ??

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