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how to define mpc object's plant as state space ?
Hi @AMAN There was an incorrect syntax issue with mpc(), but it is now fixed below: % Define system matrices (Ad, Bd, Cd, Dd) ...

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plot 2 signals for sin(t)
After thinking about your learning experience, to learn exactly how sine wave is sampled at a fixed time step, you can try the p...

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Ploting streamline with vector's module on line.
Hi @泽江 Can you check if the following are what you want? spacing = 0.2; x = -2:spacing:2; y = -2:spacing:2; [X,...

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what is the issue with my Fuzzy inference system (FIS) code?
Hi @Ahmad The error is due to the incorrect usage of the option set. The option set for the genfis() function should be genfisO...

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How to apply step disturbance on one output at specific time in MPC?
Hi @HN I believe your algorithmic-based MPC can automatically handle the step change at 200 minutes, thanks to its built-in sel...

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for PI feedback controller with un-unity feedback, final values is off
Hi @Abdulaziz Abutunis You can fix the issue by scaling the step input to match the gain in the feedback path (H) in order to e...

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2nd Order Non-Linear Equation Numerical Solution and Plot
Hi @Conlen O'Brien You can assign a display name to each state and toggle the legends. Also, if A and B are fixed constants, th...

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EVALFIS : FIS must have rules.
Hi @Ceferino Please note that the input argument order for evalfis() has changed since the R2018b release. Additionally, there ...

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Not enough input arguments Been over the code so much need fresh eyes
Hi @Taylor Millett The code for the fmincon part is now fixed and it returns a local minimum solution. % Constants rho ...

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Error while creating DDPG RL agent
Hi @Muhammad Nadeem Error using deep.internal.network.dlnetwork/setLearnables Layer 'fc': Invalid Learnables. Expected...

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Deep reinforcement learning and TD3 algorithm in the PID control
Hi @Francisco Rodriguez Sanchez As a matter of common sense, for the cartpole system, any angle that deviates from precisely ±1...

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Unrecognized function or variable 'i1'.
Hi @Dan Giffin I think you can do something like this: t = 0:0.01:10; f1 = 1/10; f2 = 1/5; % Call the function ThreeFun...

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Creating a Smith Chart with load impedance only
Hi @Adham Elkhouly I'm not well-versed with plotting Smith Chart. But starting R2023b, the smithplot() function replaces the sm...

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Can't solve the equations
Hi @Della I assume you want to plot something similar to this. However, please note that the solution set depends on the initia...

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odextend initial guess error
Hi @구구 I believe the issue may be related to inconsistent initial values. Under normal circumstances, the subsequent extended s...

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How can I make a function that has an input that cake take handle both scalar and array values?
Hi @Samiyah Maybe you want to display the result like this? numSides = 4; sideLengths = [1, 2]; polygonArea(numSides, sid...

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solve this rk's 4th orderr
Hi @tushar Look up this function, then write the basic code, post the code here by clicking this icon . help ode45

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solve() "Unable to find explicit solution"
Hi @Andrew If this is related to deriving the transfer function using Laplace transform, then I prefer using the isolate() func...

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How to add disturbance to system to check robustness of my MPC controller
Hi @Ashutosh I seldom employ MPC due to the challenges associated with deterministically controlling the controller's behavior ...

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Input variable "trimf" does not exist.
Hi @Ceferino Some syntax issues. They are fixed as shown below: fis = mamfis; fis = addInput(fis, [0 100], "Name", "input_tem...

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Incorrect Dimensions for matrix multiplication
Ld=(0:0.001:5); % <-- array is first defined here, but does not appear in Rtf L=0.007; Ta=25; h=375; Kf=175; Kd=0.032; ...

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How I can separate a matrix that is not positive definite, into two matrices?
Hi @hossen hassanzadth Your expression "" appears to resemble an attempt at performing a Cholesky decomposition. However, it's ...

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How I can plot input signal in ode45
Hi @hossen hassanzadth Your initial query has already been addressed. To achieve step profile tracking using your designed gain...

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How can we solve time dependent non linear equations?
Hi @Shadab Ali Do you expect complex-valued solutions? x0 = [3i 3i 4]; % there are 7 other solutions % x0 = [ ...

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How to replace pi by a linear quadratic regulator inside the v/f scalar method to control speed of an induction motor?
@Luc RABE: Is this feasible when designing LQR regulator? It depends on whether the transfer function represents a first-order ...

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How can I train ANFIS using Particle Swarm Optimization algorithm ?
Hi @Ahmad For the new data "heart_dataset.csv" with 13 inputs to 1 output, the Subtractive Clustering method will generate 209 ...

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I am getting different outputs when using lsim vs ode45 when solving second order coupled differential equations
Hi @Ethan Nobre The reason for the discrepancy between the 'lsim()' solution and the 'ode45()' solution is due to the differenc...

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How can I train ANFIS using Particle Swarm Optimization algorithm ?
Hi @Ahmad The output (target) of the patient data constitutes a Boolean function, yielding values from a two-element set {0, 1}...

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solving ODE by analytical & numerical solution
You are welcome, @승언 김. If you find the solutions helpful, please consider clicking 'Accept' ✔ on the answer and voting 👍 for it...

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solving ODE by analytical & numerical solution
Hi @승언 김 There are a few approaches to solving linear differential equations without the Control System Toolbox. Here is one of...

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