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why am I Unable to overplot a line on a surface plot?
Can't recreate on Answers what you're seeing when using surface. However, I think you get what you're lookng for by using pcolor...

circa un anno fa | 0

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Matlab ilaplace not working properly
ilaplace can return a closed form, symbolic expression if we give it some help, though it's a bit of a mess. Unclear why it need...

circa un anno fa | 1

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how to find a function written as a series
Would be nice to see the actual mathematical equation to be solved. Assuming the equation and solution follows the exposition at...

circa un anno fa | 0

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How to extract the term associated with a symbolic variable and assign to another symbolic variable?
syms R_v L_v L_ph U_s U_i w s U_sr U_si real; syms Z_v Z Y S; U_s = U_sr + 1i*U_si; U_i = 1 + 1i*0; s = s + 1i*w; Z_v = R_v...

circa un anno fa | 0

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simplify() with dirac and All = true Doesn't Work?
Fixed in 2024b: syms x real simplify(dirac(x)) % works simplify(dirac(x),'All',true) % now works

circa un anno fa | 0

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Domanda

Is Code Not Running on Answers?
Is code not running on Answers? Every time I hit the run button, the page hangs with the red square instead of the greeen triang...

circa un anno fa | 0 risposte | 0

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LQI controller is weirdly slow in response and doesn't always reach a goal on plant
Following up from this comment, we have established that the plant is modeled in disctete-time with sampling period Ts = 0.02 s....

circa un anno fa | 0

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Identifying the Mimo system using two inputs and two outputs
Try ssest to identify the model as a state-space system. You can then convert that to transfer function if absolutely necessary....

circa un anno fa | 0

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Issue regarding the result from symbolic computation
Hi ArxIv, Expectations might be too high for symbolic solutions of eigenvectors. Consider a simpler, but very closely related ...

circa un anno fa | 2

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Root Locus from equation?
In order to use rlocus, we need to get the characteristic equation in a form of 1 + u^2*N(s)/D(s) = 0. Start with the equation ...

circa un anno fa | 0

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how to extract a list of unique words from a set of one row strings
If UpdatedDocuments is a 1D cell array of chars ... UpdatedDocuments{1} = 'one,two,three,one'; UpdatedDocuments{2} = 'one,two,...

circa un anno fa | 0

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How to edit the "▲" marks on the Nyquist plot and change only the lines in the negative frequency range to dashed lines
"Probably the easiest way to do this would be to use the output argument form of nyquist and then make the plot from the outputs...

circa un anno fa | 0

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Accessing workspace variables with parallel workers
It sounds like q_e2b0 is supposed to be a base workspace variable that's not really a variable that's used in the simulation, li...

circa un anno fa | 0

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Use the symbolic toolbox of Matlab to calculate the energy of the signals x(t) and f(t). Verify theoretically. How is the energy of these two signals related?
syms x(t) assume(t,'real'); x(t) = exp(t)/2*rectangularPulse(0,2,t) + (2*t - 8)*rectangularPulse(2,4,t) Energy in real-valued...

circa un anno fa | 0

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Total energy in Time and Frequency Dimain
Define a real-valued, finite duration signal of length N, assumed to be uniformly spaced samples collected as Fs = 2000 Hz rng(...

circa un anno fa | 0

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energy of a signal in t and f domain
For a finite duration signal x[n] of length N, and its Discrete Fourier Transform (DFT) X[k] (as computed by fft), the energy re...

circa un anno fa | 0

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When K=dlqr(Ad,Bd,Q,R) is used, Ad,Bd is already discretized, why not Q,R?
According to dlqr, the Q and R matrices input to the function define the discrete-time quadratic cost function sum. In that sens...

circa un anno fa | 0

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how to convert signal to physical signal in matlab
Mabye PS-Simulink Converter and/or Simulink-PS Converter is what you're looking for.

circa un anno fa | 0

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Coordinate Transformation in Rotational System Equations (Spacecraft Dynamics Block)
Hi Gökhan, Why do you think that the equation is written in inertial (i.e. ICRF) frame. It looks to me like that equation is th...

circa un anno fa | 0

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solving a nonlinear equation with complex numbers
Does this solution work? syms R syms X Zo = sym(50); Z=(R*1i*X/(R+1i*X)); r=(Z-Zo)/(Z+Zo); assume(R,'positive') assume(...

circa un anno fa | 1

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Fourier Transform of e^jkt, not giving an answer
Need to specify that K is real. Also, if only using two arguments to fourier the second argument is the transform variable, so s...

circa un anno fa | 0

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Second argument must be a scalar or vector of unique symbolic variables.
No error if running here w/2024b, nor did I get an error running on my local machine with 2024a syms X; syms gamma; syms Y; ...

oltre un anno fa | 0

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FFT result dependent on number of interpolation points
Hi Ali, The doc page for interpft states: "interpft(x,n) interpolates the Fourier transform of the function values in X to pro...

oltre un anno fa | 0

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How to get the datatype from the signal line to excel after compiling the model?
Hi jenny, Signal names on the outputs of a block can be found via: names = get_param(block,'OutputSignalNames'); The port (in...

oltre un anno fa | 0

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Finding the sample time of a Simulink signal/line programmatically with Simulink.Block.getSampleTimes
Hi Andrew, If the block has multiple outputs, like in your case, check out ts.ComponentSampleTimes which should be an array o...

oltre un anno fa | 0

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Not getting desired signal when I multiply sine wave and pulse generator in Simulink
Hi Deepankar, If the question shows the full model, then we can see it has no continuous states. The solver will be VariableSte...

oltre un anno fa | 0

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Plotting DTFT in Matlab
L = 1000; fg = 1000; fs = 100000; T = 1/fs; tmin = 0; K = 1; n = tmin:L; t = n*T; %Base function calculation x = xdp1(K...

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Accessing struct variable data inside MATLAB function block in Simulink
Hi Jacob, The typical way to define a parameter in a Matlab Function block is described at Use Data in Multiple MATLAB Function...

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Unable to get sym(pi) to output Pi in matlab
Check your sympref sympref Make sure that FloatingPointOutput is set to False.

oltre un anno fa | 2

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Symbolic Piecewise Addition Issue
Seems to work here. How does the singz function work insofar as the output argument, func, is not defined inside the function. ...

oltre un anno fa | 0