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DTFT on for filter
What exactly is not matching for h2? Did you do something different for h1? Looks like freqz returns the DTFT of h2 as it shoul...

約4年前 | 0

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bodeplot(), setoptions - YLabel, How to set?
opts = bodeoptions; opts.Ylabel.String = {'mymag' 'myphase'}; bodeplot(tf(1,[1 1]),opts)

約4年前 | 1

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error using ss2tf function
Define the nonlinear output equation y = h(x,u), take the jacobians wrt x and u, and evaluate them at the equilibirium point. Th...

約4年前 | 1

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Why is the output for undersampling and oversampling of a CT signal same?
I'm not sure if this explains it clearly but .... in DT frequency defines an angle around the unit circle. In the oversampled ca...

約4年前 | 1

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How to make the zplane function to plot on a existing axes?
You can specify an existing axis via a third argument. I didn't see this on the doc page, but it does show up in the help, hel...

約4年前 | 1

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Manipulating Bode plot with known poles and zeros.
The poles and zeros in zpk should be in rad/s (at least with the default settings). So the poles are at -[GBW SP]*2*pi. Then ...

約4年前 | 0

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why is the zpk function not producing the transfer function in MATLAB?
What output is expected? It looks like zpk() is returning a zpk object with poles and zeros at locations shown on the plot. a =...

約4年前 | 0

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Why sim function clears workspace when is called from a script?
How do irradiacion, temperatura, and N_parallel get pulled into the simulation? I thought the command sim('solarcell.slx') wil...

約4年前 | 0

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parfor treats variable as function
Is dronePaths loaded from map44.mat? If so, that could be the cause of the problem. See this link for discussion of similar iss...

約4年前 | 0

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Evaluating derivative using symbolic toolbox
Two ways to do this: syms x f_of_x = x^2 * sin(x); der = diff(f_of_x,x) % I like to be explicit on the variable of differenti...

約4年前 | 1

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Accessing frequencies of arbitrarily selected histogram bins
The bin values are stored as propreties of the histogram object, which can be returned from histogram. rng(101) x = rand(20,1)...

約4年前 | 1

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Is it possible to solve difference equation in MATLAB?
At least three ways this problem can be solved in Matlab that have been discussed in this thread. I thought it might be helpful...

約4年前 | 2

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Interpretation of diskmargin()
The essence of a robust control system is that all points on the Nyquist plot of the loop transfer function be at a "far" distan...

4年以上前 | 0

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Construct i.i.d. Bernoulli variables with MATLAB
Following code illustrates the expected result with p = 0.4. I wasn't sure why the Question was using 3-dimensional matrices, s...

4年以上前 | 1

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Simulink transfer function matrix
If by delay transfer function you mean z^-1, the Delay block can accept an input of any dimension.

4年以上前 | 0

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why my deconvolution want fit my analytique form?
For a real and b complex, the theoretical equations should be (illusrated with short sequences) a = rand(1,5); b = rand(1,5) +...

4年以上前 | 0

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how to substitute symbolic equation into symbolic equation, and to reorganize symbolic equations
syms epsilon_33 delta_0 d_33 s_33 f f_bl u k_s k_l n V A L_s t % known constants d_33 = 3400e-12; s_33 = 169e-12; f = 60; u...

4年以上前 | 0

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How can I check if a cell array contains multiple strings without loops ?
Assuming that numerical indices are desired (as apposed to logical) % example data FileNames={'20-MAG-C-Z1-S0A','20-MAG-C-Z2-S...

4年以上前 | 0

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How to find constants of integral knowing initial conditions
Use solve() Raz=26.67*10^3; qo=20; L=3000; M=10*10^6; E=2.1*10^5; d=100; Izz=(pi*d^4)/64; syms x C1 C2 My_x=-Raz*x+(qo*...

4年以上前 | 1

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DSP Format Discrete Transfer Function Matlab
You can use freqz() if you want, Because filt() returns a tf object from the Control System Toolbox, bode() or bodeplot() functi...

4年以上前 | 0

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Find Bode Phase of Uncertainty models
I don't know if there is much control over what bode() does with a uss input, but you can get at the data in the plot after the ...

4年以上前 | 0

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Using rlocus() in MATLAB
Hello @Tb, The basic idea of the root locus is that is shows the location of the closed loop poles as a function of a gain, let...

4年以上前 | 1

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How to get Fourier transform of rectangular window as shown by wvtool function?. Why frequency domain of rectwin(M) using fft and wvtool are different?
It looks like wvtool is plotting the DTFT of rectwin(M) [h,w] = freqz(rectwin(64),1); figure plot(w,db(abs(h))) The DFT (as ...

4年以上前 | 0

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lsim and transfer fcn block in simulink output different results
Simulink uses a continuous-time differential equation solver. The specific solver and solver parameters, like step size informa...

4年以上前 | 0

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High-precision IFFT
Given that x is an array of high precision numbers, not symbolic expressions, it should be straightforward to implement the ifft...

4年以上前 | 1

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How to plot Gauss sums ?
There are at least two problems with the code. Assuming you want to compute numerical values of s, the code can't reference s i...

4年以上前 | 0

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why margin() give positive phase & gain margin for unstable plant
I don't think margin() first verifies that the closed loop system is stable. It just applies the gain and phase criteria to the...

4年以上前 | 0

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Matlab recommends me to apply 'subs' command but I have already used it to convert a symbolic matrix into a numerical one. What fails?
It looks like there is still one or sym objects left in A_num after the command A_num = subs(A_simb, P_simb, P_num); What is t...

4年以上前 | 0

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Implementation of filter bank using fir1
Take advantage of the frequency shift property of the DTFT. For example Fs = 1000; f = (-0.5:.001:0.5)*Fs; L = 50; lpf = fi...

4年以上前 | 1

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dbode results in phase shift that is wrong (I believe)
dbode() callse bode(), which in turn has an algorithm that tries to "unwrap" the phase by adding multiples of 360 deg across the...

4年以上前 | 0

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