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Sam Chak


Last seen: Today |  Aktiv seit 2020

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  • Thankful Level 3
  • 24 Month Streak
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  • Knowledgeable Level 5
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Beantwortet
How do I write time dependent variables in my equations of motion?
Hi @Jessica The analytical solutions and results presented in @Torsten's post are indeed accurate. Given that the system is lin...

etwa eine Stunde vor | 0

Beantwortet
Phase plane plot second order ODE
Looks correct! No issue because I checked with the built-in @odephas2 function to generate the 2-D phase plane plot. Edit: Upon...

etwa 20 Stunden vor | 0

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Beantwortet
How can I write a set of first order ODEs with two variables?
Hi @Lily I made some edits to enhance the annotations. Essentially, the idea is to represent the dynamic system in state-space ...

ein Tag vor | 1

Beantwortet
Curve fitting with multiple variables?
Hi @Liril Silvi, See if the polynomial surface function is acceptable tb = readtable('Book2.xlsx', 'VariableNamingRule','pres...

ein Tag vor | 0

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Beantwortet
how to save only the final output of ode 45 solve
Hi @SOUVIK DARIPA I created a dummy model to test the for-loop code. Though you didn't annotate the code properly, I believe t...

2 Tage vor | 0

Beantwortet
How to write this block diagram into Matlab in feed forward control form.
Hi @Jake I have successfully utilized the 'feedback()' function to obtain the same modeling result for as presented in my prev...

2 Tage vor | 0

Beantwortet
How to write this block diagram into Matlab in feed forward control form.
Hi @Jake Around two months ago, you had a similar problem, but we didn't receive any feedback from you regarding whether the pr...

2 Tage vor | 0

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How can I simulate the MIMO section only?
While I'm not an expert in BPSK and QPSK, I haven't encountered any problems when running the script in the link you provided an...

4 Tage vor | 0

Beantwortet
Dot product does not work for symbolic vectors
Probably it has something to do with how MATLAB interprets 'gamma1(t)' . syms t g y real syms alpha1(t) beta1(t) gamma1(t) s...

4 Tage vor | 1

Beantwortet
Derivative of state '1' in block 'F16_Aircraft_MODEL/6DOF (Euler Angles)/p,q,r ' at time 0.0 is not finite. The simulation will be stopped.
The Error message "Division of ZERO" is clear. Most likely the input signal [V] to the Division block is zero. Please assign cho...

4 Tage vor | 0

Beantwortet
Obtaining the proportional, derivative and integral gains from a specific settling time and overshoot inputted using a Simulink block diagram
Hi @Gallad Isse The systune tool might be a viable option for tuning the Controller to achieve the desired TuningGoal as closel...

5 Tage vor | 0

Beantwortet
Find State Space Representation of Linearized non-linear System to find State Space Representation in Canonical form MATLAB
Hi @Jonathan Frutschy I have conducted a simulation of the motion for 600 masses using the ode45 solver. Please refer to the co...

5 Tage vor | 0

Beantwortet
How can I improve my voltage controller?
Hi @Pablo In general, when designing a model-based controller in conventional simulation platforms, you gain complete control o...

6 Tage vor | 0

Beantwortet
Similar results in type-1 and type-2 fuzzy logic controller applying in MIMO systems
Hi @F. Paul The reason for the similarity lies in the fact that the performance of the Type-2 fuzzy logic controller behaves ak...

7 Tage vor | 0

Beantwortet
Find State Space Representation of Linearized non-linear System to find State Space Representation in Canonical form MATLAB
Hi @Jonathan Frutschy Given that no original MATLAB code for the nonlinear system is provided, I believe it would be more effic...

8 Tage vor | 0

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Beantwortet
Ramp block having reset option
Hi @Andraz If you have a good understanding of the fundamental mathematics behind a line graph, then theoretically, you should ...

9 Tage vor | 0

Beantwortet
need name of the block in simscape tools
Hi @Hamid Ullah It appears to be a Simscape block diagram. Simscape components cannot be connected directly to the Scope block....

9 Tage vor | 0

Beantwortet
Trying to determine roots of this polynomial (Det)
k = [1750 -750 0; -750 1250 -500; 0 -500 500]; m = [75 0 0; 0 75 0; 0 0 50]; D = inv(m)*k; syms x I = [x,0,0;0,x,0;0...

9 Tage vor | 0

Beantwortet
a nonlinear system and its control input in simulink
Hi @controlEE The control signal plotted in your comment is incorrect. Since you have completed the learning tasks and are capa...

10 Tage vor | 1

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Beantwortet
I want to find two missing parameters in an ODE system of equations using regression/optimization in MATLAB
Hi @naiva saeedia I have prepared a simple demonstration below to illustrate that the fmincon optimization solver can be utiliz...

12 Tage vor | 0

Beantwortet
integrate for long equation
Hi @GUILU You can DIVIDE the integrand and then CONQUER it. Once you've done that, you can validate the result by comparing it ...

14 Tage vor | 1

Beantwortet
How do I solve the following Algebra equation?
Algebraically speaking, since there is no equal sign '', it is not an equation and there is technically nothing to solve in the ...

16 Tage vor | 0

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Particle swarm algorithm in Fuzzy Logic Designer is breaking unity sum property of membership functions, how can I stop this?
Hi @Ben Hatrick I have rarely used PSO to tune fuzzy systems, and I hadn't realized this phenomenon until you brought it up. ...

16 Tage vor | 0

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Beantwortet
hi how can i evaluate the function below from x=1,x=2 into a step of 0.1 y=x/(x2+1)
syms x y = eval('x/(x^2 + 1)') % <-- check if the function is correct xa = 1; % start point of [xa ≤ x ≤...

17 Tage vor | 0

Beantwortet
How to expand this formula in Matlab/simulink
If the symbol is related to the complex variable as defined in the Laplace transform, then you can use the Transport Delay bloc...

17 Tage vor | 1

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Beantwortet
Plotting a 3-value graph
Refer to the examples in yyaxis documentation. x = linspace(0,10); y = sin(3*x); yyaxis left plot(x,y) z = sin(3*x).*exp(...

18 Tage vor | 0

Beantwortet
How can I define a block ( Transfer Fcn) in simulink?
Hi @M1A Linear time-invariant models with more zeros than poles are not supported in Simulink. However, you can create such a m...

19 Tage vor | 1

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Beantwortet
how to add subscript into transfer function and constant block parameter
Hi @Olarewaju Update: In order to create a model block with a visually appealing display of mathematical notation, I personally...

19 Tage vor | 0

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Beantwortet
I am running into trouble answering the question asked in the description.
Hi @Jackson, You have been provided with the MATLAB script 'Project2_Q1.m' to plot the solution curves for question Q1(a). To ...

19 Tage vor | 0

Beantwortet
problem with matlab function in simulink (inpunt problem)
Hi @Alya Bostani Is this the expected result for ? Try fixing the code in the matlabFunction block. t = 0:0.01:10; P = as...

19 Tage vor | 0

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