I am trying to plot these two equations on the same graph but it just comes out blank and I can't work out why.
I originally wanted to plot u=3.*exp(t).*[1;1] + exp(-t).*[1;-1] as two seperate lines but I couldn't work out how to do that either
for t = [0:0.1:2]; ua= 3.*exp(t)+exp(-t); ub= 3.*exp(t)-exp(-t); plot(t,ua) hold on plot(t,ub) end
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