I created a code to plot the function w = x*e^x*cos(x) in the domin (0.2pi). I have to create two plots. one by using the function fplot, and then another graph with fill in under the curve. my code is as follow:
w = @(x) x.*exp(-x).*cos(x) , [0,2*pi];
fplot(w , [0,2*pi])
what is wrong here?