On 17.03.13 13:16, iqra wrote: > this piece of code is for fourier series calculation but its giving me error at syms,,plz can anyone help me.. >>> L=8; >>>syms n x > >>>a_n=sqrt(2/L)*(2*L)/(n*pi)*((sin((n*pi)/2))^2)*sin(n*pi)%fourier coefficient a_n >>>b_n=-sqrt(2/L)*((2*L)/(n*pi))*((sin((n*pi)/2))^2)*cos(n/pi) >>>vx=symsum(a_n*sqrt(2/L)*cos(n*2*pi*x)/L,n,1,9); >>>plot(x,v_x); >>>grid on; >>>axis([0 8 -1.4 1.4]); >>>hold on; > ??? >>syms n x; > | > Error: Unexpected MATLAB operator. >
That looks like you copied & pasted something someone sent to you. Don't include the ?>>? in what you copy and paste to MATLAB, only copy the parts behind that, the ?>>? is the MATLAB prompt.