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how to only plot a certain area of an existing plot
Hi @rman Generally, this imcrop() command is used to crop image, but it can only crop rectangular shape. To crop a circular sh...

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How can I output the bode plot of a closed control circuit in simulink?
Hi @3a4 In Calculus, we learned Laplace Transform as a strategy for resolving linear differential equation. Applying Laplace ...

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Math equation for MFCC bit rate
Hi @Jogger If you had begun your journey into the unknown, then perhaps MATLAB Reinforcement Learning Toolbox can help you with...

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Please I am working on gait planning but I hwve to determine the position angles
@Eric Andoh Perhaps you can try fitting that using the Sum of Sines Model. https://www.mathworks.com/help/curvefit/sum-of-sine...

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Recover the best individual of each population in GA
Yes, @Jaime Trivino, it is possible according to this section. state.Score % gives you the scores of the current population...

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the error "The function values at the interval endpoints must differ in sign" + fzero
Hi @Mohamed Adam The function values between the endpoints in this interval x_int have the same sign. If they have different si...

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Simulink model of RLC circuit (2nd order differential equations)
Hi @Tech The first impression is that the singularity might be caused by the "Division by zero" issue. Looking at your differe...

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How can i solve this cost function?
Hi @Volcano I converted the matrix equation into a scalar equation. Since there is no constraint, fminunc() is used and the loc...

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How can I solve this second order equation?
@Shada ahmed This is not exactly the equation given, but it should give you the idea of ''visualizing' the relationship between...

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Design 2nd order band Pass filter on MATLAB using any windowing technique , then find magnitude and phase response.
Hi @Razzaq Maybe it looks like this: Flo = 5e3; % low cutoff, (rad/s) Fhi = 10e3; % high cutoff R1 ...

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Too Many Input Arguments - I am new to matlab and not sure how to solve this
Try fixing these lines function dhdt = thesis(t, h) dhdt = x1*(K1*t-(Vsto*fPr));

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Dear researchers, how can can I simulate nonlinear disturbance observer for UAV on Simulink?
Hi @ALABA PHILIP OPAYEMI As you didn't provide sufficient explanations for the problem and I don't know what it is, so I just i...

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Simulating linear systems with nonuniform time vector
Hi @Paolo Rapisarda I think you can possibly use the 1-D data interpolation technique, interp1() function at certain intervals ...

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Find Intersection between curves
Hi @Anfal AlShehhi I think the script shared File Exchange works. However, if you want something mathematically simple to under...

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Efficiently handle nonlinear models in Matlab (not Simulink)
Hi @Moritz Sigg For non-stiff nonlinear models, the ode45() is the general way of simulating them, and the nonlinear model is t...

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Finding Kp,Ti,Td with PID tuner
Hi @Esin Derin, Kind of remember seeing a similar question few days ago. Probably your classmate. Anyway, this is how you can p...

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Model of two differential equations of RLC circuit (Simulink)
Hi @Techie, I have requested that the differential equations to be provided, but you seemed to overlook the message. So, I'm un...

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hybrid power system design
Hi @Tanvir Ibn Touhid Have you managed you to build the hybrid system from the suggestions and examples given here? https://ww...

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How to build PID controller on command Line
Hi @Bahar Ebru Not exactly sure what you are trying to do (your description and code are not tally). After checking the documen...

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Find the nearest point of intersections of circles
@Marek Konopka Some very simple calculations and math concepts (no looping) that you can definitely follow to find the intersec...

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Disturbance Rejection with PID turner
Hi @Esin Derin For simplicity, you can do something straightforward and plot the time responses like this. Case 1a: , rad/s ...

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Control System with Feedback Loop
Hi @Esin Derin It can be very frustrating when one is not familiar with the MATLAB coding + Loop, and pressurized to complete t...

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I have three coupled differential equation and need help to solve them
Yes @Captain Rituraj Singh, The equations are rearranged. However, to simulate at , where division-by-zero occurs, I'm unable t...

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Two degree of freedom PID controller
Hi @Bahar Ebru It seems that you are not required to write MATLAB code to simulate this. More like running a simulation in Simu...

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PID Control Systems with Ziegler
Hi @Esin Derin Edit: For Q1, I'm unsure what a Kupfmuller model is. Please find out from your lab instructor. For Q2, The GO(s...

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Cascade control with PID
Hi @Bahar Ebru I don't know how to start reading the diagram with because it looks a little messy. Can you at least rearrange t...

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Transformation of state space model
Hi @Alireza Aghdaei System 1 System 2 If I understand your description correctly, the dynamics of the system does not cha...

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Finding Critical Value with Simulink
Hi @Esin Derin It's a bit confusing with all the manual switches around. You should also provide the closed-loop system for inv...

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arbitrary point with the know slope to another line to specify point on that second line
Hi @Ceren Ecemsu Varan Since you are unable to provide additional info, perhaps you can do something like this: % Analysis x1...

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plot excel data in MATLAB
On the Home tab, in the Variable section, click Import Data. Then choose how you want the selected data to be loaded on the Work...

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