expdecaydata;                             % generate data
close all;

taus = 0.0:0.1:20.0;
mses = zeros(length(taus), 1);
for i = 1:length(taus)
  mses(i) = expdecaymse(time, voltage, taus(i));
end

subplot(2, 1, 1)
plot(taus, mses);
xlabel('tau [ms]')
ylabel('mean squared error [mV^2]')