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Sam Chak


Last seen: Today Active since 2020

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Answered
plotting a simple constant
Hi @Robert Before I discovered other special non-math functions like ones() and yline(), I used to rely on certain math tricks,...

5 hours ago | 0

Answered
How to find transfer function to a second order ODE having a constant term?
Hi @PONNADA This type of differential equation is commonly encountered in examples involving an ideal undamped mass-spring syst...

19 hours ago | 0

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Answered
ANFIS EDIT out of memory
Hi @Antonio Abela You mentioned that there are 10 inputs and 1 output. However, in the CSV file, there are 15 columns, with eac...

1 day ago | 0

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How can I adjust the PID values in Simulink?
Hi @Elli I faced difficulties in effectively stabilizing the unstable 3rd-order system using solely the PID controller. Even th...

1 day ago | 0

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How can I adjust the PID values in Simulink?
Hi @Elli, The 3rd-order linearized system is unstable because the second transfer function has a pole located in the right half...

2 days ago | 0

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Answered
How to run an ODE Function with a variable outside of the Differential Equation
@Adam, Do you expect the results as shown? figure hold on; R0 = .3; L = 2*pi*R0; Q = 0.01; x = 0:0.001:L; % I = - 4e8...

3 days ago | 0

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Answered
2% and 5% settling times
Hi @Daniel The intellectual explanation for the discrepancy could be that one of the settling times was measured incorrectly. T...

3 days ago | 0

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Solution of Growth problem
% y0 is a 6 x 1 vector of initial city populations y0 = [100; 300; 500; 125; 100; 200]; % t is the number of years of growth ...

4 days ago | 1

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Answered
plot with text function
@Francesco, do you want to display the figure without tick marks? ax = axes(figure()); % create axes handle plot(0:10); xl...

5 days ago | 0

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trying to write complex equation with parentheses
Hi @ali When inputting a lengthy equation with multiple parentheses into the programming code, I usually adopt a "divide-and-co...

5 days ago | 0

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Problem facing in solving xdot=Ax system when A is unstable.
Hi @Hemanta Hazarika This is an educated guess. If the unstable state matrix is and the initial values are , then the error be...

5 days ago | 0

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Answered
Need to fit a curve to some data points
Hi @ISh This Rational function model (Rat11) precisely fits the three data points. format long g %% Data xdat = [ 1 2 100...

5 days ago | 0

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Need to fit a curve to some data points
Here's another candidate. An exponential decay function model should align with the description you provided. Try learning how ...

5 days ago | 0

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Answered
Can I trust this closed loop response and include it as a final result in my Thesis?
Hi @Ayesha, You can actually verify the result (from Check Bode Characteristics block) with the Bode plot of the Closed-loop Sy...

6 days ago | 0

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Answered
providing our own Initial cluster centroids to fcm function
Hi @NALLARASU KRISH The ability to provide the initial cluster centers was introduced in R2023b through the fcmOptions() comman...

6 days ago | 1

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Answered
how to find intersection data between 2 function
Hi @Arif The red line represents the extrapolation up to the vertical line . The main concept here is to determine the equation...

6 days ago | 0

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Answered
Plotting sine functions using linspace command
It says to plot y as a function of t. You can follow this example to make the plot. You can learn more about linspace() and plo...

7 days ago | 1

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Centigrade to Fahrenheit Converter doesn't work properly
Hey @Laura, there doesn't seem to be any issue with the code when the input() command is placed outside of the C2F() function. ...

7 days ago | 0

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Why does this code give me an error?
Hi @Sadiq Akbar If nonlinear inequality constraints are not available, you can disable them in the code. It appears that the up...

7 days ago | 0

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Finding the peak of a sinusoidal voltage using only Simulink Blocks (No Matlab Function Block)
Hi @HASSAN ABDELGABIR Isn't the MATLAB Function block part of the Simulink block families that grants you the greater potential...

8 days ago | 0

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How can a Simulink State Space block state be periodically reset?
Hi @John I want to make sure I understand the 'reset' problem correctly. Are you looking to update the matrices in the state-sp...

8 days ago | 0

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How to optimize a parameter, influencing the dynamic response of a control system
Hi @javier rivas I just wanted to point out that if you use the step() command instead of the lsim() command, the resulting out...

8 days ago | 1

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Simulink integrator error, please help
Hi @Federico Ennio, Considering the system dynamics, the controller can be designed as follows , where , , . Ho...

8 days ago | 0

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I need Pressurized Water Reactor (PWR) steam generator matlab code so if anyone has please help me. Thanks
Hi @JAWED AHMED While I'm not an expert in Pressurized Water Reactor (PWR) systems, I can point you towards a helpful resource....

9 days ago | 0

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How to get 2% and 5% settling time from simulink?
Hi @Daniel Below, you'll find the calculation for the settling time based on the 5% criterion: %% System zeta= 1/2; wn = 1;...

9 days ago | 0

Answered
how to write sqrtroot power 7 ?
@Grégoire, If you mean this function: then you can use the function handle: g = @(x) (sqrt(14*x - 7)).^7; x = 0.5:0.01:...

10 days ago | 1

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Different results between Step and Stepinfo
Hi @Gerard Carroll The main reason behind the difference in the step-response characteristics between Approach 1 (from Transfer...

10 days ago | 0

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How do I deploy singleton membership function in fuzzy logic output
Hi @Evans Here's how you can create fuzzy singleton membership functions. In this code snippet, I'm using three singletons. % ...

10 days ago | 0

Answered
Hello, please can you help me to solve the error in this code below!!!!
Hi @yousra yahia I'm not entirely certain about the purpose of your code since some lines appear to deviate from the strict rul...

10 days ago | 0

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The distance traveled by a ball falling in the air is given by the equation x = x_{0} + v_{0}*t + 1/2 * a * t ^ 2
Hi @Felix Jim It might be beneficial for you to explore how to utilize MATLAB for solving dynamical equations, particularly whe...

10 days ago | 0

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