Answered
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...

3 years ago | 1

| accepted

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...

3 years ago | 1

Answered
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...

3 years ago | 0

Answered
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...

3 years ago | 1

| accepted

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 = ...

3 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 ...

3 years ago | 2

| accepted

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...

3 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 ...

3 years ago | 1

| accepted

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))

3 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...

3 years ago | 1

| accepted

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...

3 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...

3 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...

3 years ago | 1

| accepted

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

3 years ago | 3

| accepted

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 ...

3 years ago | 3

| accepted

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-...

3 years ago | 0

Answered
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...

3 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 ...

3 years ago | 1

Answered
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...

3 years ago | 1

| accepted

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...

3 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...

3 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...

3 years ago | 0

Answered
how can optimize the width of member function of fuzzy in MATLAB using Ant Colony
Hi @wissam alansari I can't find the Ant Colony Optimization algorithm in MATLAB, and I don't understand the limit that you are...

3 years ago | 0

Answered
How to define initial conditions without getting an array error
Hi @Gabriela, The initial values can be specified as scalar values, without using array indexing method. tspan = [0 30]; %...

3 years ago | 0

Answered
How do I plot the infinite norm of a matrix on a graph?. I should have a square but I end up having a circle
Hi @Muhideen Ogunlowo Perhaps you want to plot something like this: p = [1, 2^1, 2^2, 2^3, 2^4]; for j = 1:length(p) f...

3 years ago | 0

Answered
How to run a simulink model from a matlab file with different inputs each step?
Hi @Sebastian Thank you for your clarifications. Now that we understand your controller has internal state dynamics, it's impor...

3 years ago | 0

Answered
How to find the Transfer function of a Simulink output plot?
Hi @Atefeh Think you want to apply the curve-fitting method to fit the sinusoidal model to the time-series data. load('V_I.mat...

3 years ago | 1

| accepted

Answered
Why I am getting "Matrix is singular to working precision"?
Hi @Shakil I attempted to replicate the results that displayed the warning message 'Matrix is singular to working precision.' F...

3 years ago | 0

Answered
Can anyone please Explain this model to me in text format
Hi @Mohamed Althaf Considering the level of sophistication evident in the Simulink model you have developed, I presume that you...

3 years ago | 1

| accepted

Answered
Task space control of a robot through dynamics
Hi @Szymon Blazejewicz This Simulink example shows you how to generate the trajectories for the end effector of the robot manip...

3 years ago | 0