I am new in Matlab, and basically it seems I am not using the symbolic variables correctly.
t=0:0.5:10;sm x ;R=zeros(1,length(t),'sym');for ii=1:length(t) f=tanh(x)^2/(x^2)*cos((x*tanh(x))^(1/2)*t(ii)); R(ii)=(2/pi)* int(f,x,0,inf);fprintf('%2.1f\t %3.10f\n',[t(ii); R(ii)])end
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