Answered
Tuning MISO PI Controller for SIMO System
Hi @Hannes I've examined the Simulink model depicting the unicycle dynamics that is somewhat vaguely displayed under the block ...

2 years ago | 0

Answered
Matlab cannot find solution
Hi @Xinjie Qian If the solve() function is used, then it says "Unable to find explicit soluion." syms r m n eqn = ((2*r^4-8...

2 years ago | 0

Answered
Solve for y in function z = f(x, y)
Hi @Tim Fulcher If the values for x and z are known, then you can numerically solve for y. syms y x = 1; z = 0; p00 = 1...

2 years ago | 1

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Answered
HOW TO: Using each step result in subsequent step during integration via ODE
Hi @Presley From your provided formula, both and can be directly computed from the ode45 solution vector x. Could you please ...

2 years ago | 0

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Error occurs when creating Pole-Zero Map using pzmap()
Hi @Muhammad Aboawah I wanted to bring to your attention that, based on the documentation, it appears that the pidTuner() funct...

2 years ago | 1

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Please answer all. it is related to Numerical linear Algebra
Hi @Kashk In reference to your posted exercise concerning the definition of MATLAB functions, I'd like to provide a straightfor...

2 years ago | 1

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How can constraint varaibles in my fcn simulink block?
Hi @Dario Di Francesco, The analysis shows that the constraint on control action is unnecessary. In Case 1, the control-free sy...

2 years ago | 1

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Answered
Error in cumtrapz. Input arguments to function include colon operator. To input the colon character, use ':' instead.
Hi @Ivan Perhaps you can learn from this example to compute the cumulative integral of univariate function, . x = linspace(-4,...

2 years ago | 1

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How to call an ode solver within another function?
Hi @L'O.G. I'm uncertain if I've correctly deduced the mathematical problem from your code. However, a singularity will occur i...

2 years ago | 1

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Answered
Eigenvalues and Eigenvector computation on extremely bad conditioned matrices
Hi @Andrea You may consider employing the balance() function to execute diagonal scaling on the ill-conditioned matrix, thereby...

2 years ago | 1

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Seeking Help to Find Kalman Decomposition Matrices
Hi @Edoardo Moroni A Kalman decomposition of the system can be obtained by using the minreal() function as follows: % Paramete...

2 years ago | 0

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I need to use tf() function to create multiple step responses
Hi @Kez I assume you want to create plots of multiple step responses while varying the damping term . m = 1; c = 0:20; k = 2...

2 years ago | 1

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Answered
Using a for loop to count the digits of pi
Hi @Martin Please try comparing the histogram with yours. num2str(pi, 1000); digits(100); % show 100 digits of π numPi = ...

2 years ago | 0

Answered
Error occurs when creating Pole-Zero Map using pzmap()
Hi @Muhammad Aboawah The input argument of the pzmap() function from the Control System Toolbox must be specified as a dynamic ...

2 years ago | 2

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Answered
I dont understand this, can someone explain how to do it?
Hi @Dunya Jadallah This is not a solution, but plotting the function helps you understand its behavior. From the graph, you ca...

2 years ago | 0

Answered
Curve fitting with more than 3 variables
Hi @Adriana Mar de Jesus It has been quite some time since I've done surface fitting. Are you looking for an illustration like ...

2 years ago | 1

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Answered
Error using ^ for control systems related functions
Hi Aliuddin, If you want to get the transfer function directly, then use this syntax: tfsys = tf(ss(A,B,C,D))

2 years ago | 1

Answered
Control Systems & Transfer Functions
Hi @Richard Update: A diagram illustrating the successive reductions of the multi-loop system has been added for clarity. Belo...

2 years ago | 1

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Answered
I have 3rd order non-linear ODE and 2nd order ODE one depends on the other (free convection from vertical flat plate) with 5 B.C's how can i solve it numerically using MATLAB
Hi @Ali Al-Jaberi It appears that the origin [0, 0, 0, 0, 0] is the only equilibrium point of the system, albeit an unstable on...

2 years ago | 0

Answered
How can I plot an ellipsoid using the ellipsoid function with a given equation in the form of ax^2+by^2+cz^2 = 1.
If you want to use the function ellipsoid(), here is an example: % center coordinates cc = [0 0 0]; xc = cc(1); yc = cc(2...

2 years ago | 0

Answered
Error in ode arguments (line 92), error in ode45 (line 107)
Hi @Thomas There is a typo in the function odefcn(). % System parameters: A1 = 1; % (m^2) Cross-sectional area of the...

2 years ago | 1

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Answered
I can't open any scripts.
Hi @Rebekah, Can you click on the Editor tab over here?

2 years ago | 3

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Answered
How to get a specific shape of a contour plot in MATLAB
Hi @Bibigul, Check if this is what you want. x = linspace(0,1,11); y = linspace(0,1,11); Z = [0 0 0 ...

2 years ago | 3

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Answered
Guidance needed to generate Pseudo-Random Binary Sequence (PRBS) and ternary-sequence signals
@MUHAMMAD AJMAL Please refer to the information and examples in these links: https://www.mathworks.com/help/slcontrol/ug/prbs-...

2 years ago | 0

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clc command window restore
Hi @Rana You can press the Up Arrow key (↑) to navigate the Command History. https://www.mathworks.com/help/matlab/ref/command...

2 years ago | 0

Answered
matlab invalid expression error
Hi @Kathleen Fixed "invalid expression errors" are marked by these arrows ''<--". However, the variable m_true is not provided ...

2 years ago | 1

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I want to plot (x vs t ) of a differential equation containing signum function.please help ASAP
Hi @RAJAT You can find examples of solving ordinary differential equations in this link: https://www.mathworks.com/help/matlab...

2 years ago | 1

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Answered
How to code algebric loop in MATLAB script file?
Hi @Faezeh Yousefpour I've got the code to run correctly from a mathematical perspective. However, it's essential to examine ho...

2 years ago | 0

Answered
Emulate the fullstate feedback gains using ZOH ?
Hi @eleorigin, It appears that there is a need to convert the designed full-state feedback controller from a continuous-time re...

2 years ago | 0

Answered
Motor Controller for a Internal Permanent Magnet Synchronous Motor (IPMSM)
Hi @Raphael Baumeler A nominal mathematical model is required by the PID Tuner to design a PID controller for IPMSM. If the pla...

2 years ago | 0