I am trying to do
t=0:0.001:10; plot(0.25*exp(-t)*sin(2*t),t)and it says:
??? Error using ==> mtimes Inner matrix dimensions must agree.When I tried to divide by exp(t) instead it gave me crap. any ideas? thanks
MATLAB: Plot error
hagai
Related Solutions
Add the following lines of code at the bottom of your code (after y=x+randn(size(x)).*sigma;):
ffty = fft(y);ffty = abs(ffty(1:ceil(length(y)/2)));ffty(ffty<100)=0;[~,locs] = findpeaks(ffty);freqs = (locs-1)/t(end)signal_1 = sin(2*pi*t*freqs(1))+sin(2*pi*t*freqs(2))+sin(2*pi*t*freqs(3)); % 3-10
signal_2 = sin(2*pi*t*freqs(6))+sin(2*pi*t*freqs(7)); % 50-100
subplot(211), plot(t,signal_1)subplot(212), plot(t,signal_2)Try this:
fontSize = 20;t = linspace(-3*pi, 3*pi, 800);v= pi *exp(-0.25*t) .* cos(pi*t) - 0.25 .* exp(-0.25*t) .* sin(pi*t);plot(t, v, 'b-', 'Linewidth', 3);grid on;xlabel('t', 'FontSize', fontSize);ylabel('v', 'FontSize', fontSize);
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