MATLAB Online에서 열기 1) Y=linspace(dy,dy*yNum*1000000,yNum); 2) X=linspace(dx,dx*xNum*1000000,xNum); 3) X=rot90(X,3); 댓글 수: 0 댓글을 달려면 로그인하십시오. 답변 (1개) A
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Star Strider has a point too. However with the values you have, linspace does not actually pass very close to -2 or 2. (Try linspace(-10, -0.05)). At least on my system there are no out of bounds values involved. However if I use:
>> t=linspace(0,2*pi,100); >> y=5*t.*(sin(t).^2)-t.^2*(cos(t).^2); Error using * Incorrect dimensions for matrix multiplication. Check that the number of columns in the first matrix matches the number of rows in the second matrix. To perform elementwise multiplication, use...
When you called "ode45", you were only passing in a scalar value for the initial condition. However, it looks like your "odefun" expects a 3x1 solution vector at each time step and returns a 3x1 "dydt" vector. I don't know the details of the ODEs...
Fv = linspace(0, 1, NFFT/2+1)*Fn; Iv = 1:numel(Fv); TrFn = FTfiltered ./ FToriginal; figure plot(FV, abs(TrFn)) grid xlabel('Frequency') ylabel('Magnitude') title('Filter Transfer Function') The cutoff frequencies will be the points at whi...
Open in MATLAB Online Well, just look at how linspace is implemented: ThemeCopy edit linspace It might explain some of the behavior you see. On an additional note, comparing double value is risky business. Not only the way you perform a computation (as you so thoroughly illustrate) but th...
These sine waves repeat an integer number of times in either a 2.564 or 10 second time window so no windowing function is needed when computing the FFT for either the 0.39 Hz or 0.1 Hz frequency resolution. Once you've determined that both codes produce a correct FFT (Amp = 1 @ 39 Hz...
f = linspace(fmin,fmax,nFreq); % Define JONSWAP spectrum parameters Hs = 5; % in m Tp = 20; % in s gam = 3; % gamma factor is always greater than 1 %% % In this function, f=0 should be excluded S = JONSWAP_spectrum(f,Hs,Tp,gam); % figure(3); plot(f,S) xlabel('Fr...
MATLAB Online에서 열기 hi, you have N=300 points for duration t=30 secs , then the samle rate is f=N/t=10Hz or you can perform this way : 테마복사 T=linspace(0,30,300); Fs=ceil(inv(T(2)-T(1))); The Nyquist condition is respected because you mentioned that ...