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Errors when trying to define Design Requirements in Control System Designer
Hi @Jason, This is a bug in the product. You should be able to change the line mentioned in this error from this: Error in con...
3 månader ago | 0
| accepted
Transimpedance Amplifier transfer function behaving differently in Matlab as well as Simulink than expected
Hello @Jayesh N, The results of lsim are as expected. The mean value will be the dc gain of the system multiplied by the mean v...
4 månader ago | 1
| accepted
Frequency Response Estimator - how is the frequency response computed
Hi @jacob, You can see a description of the FRE algorithms on its documenation page. Generally, using more estimation periods ...
4 månader ago | 0
Inheritance, abstract and constant properties.
You can approximate this behavior with Dependent properties and getter methods. classdef (Abstract) my_supr properties (De...
5 månader ago | 0
Frequency response estimation error
Hi @shanchang, We can't really say exactly what the issue is without all the inputs to your frestimate call- your model (mdl), ...
5 månader ago | 0
How to work with control system tuner/designer app with Simscape Multibody System ?
Hi @Samarasekara Muhandiramge Salila Dinendra, Your post seems to a few distinct but related questions: 1) How can I obtain a ...
5 månader ago | 0
How to access GriddedLPVSS data at different scheduling parameters?
Hi Ali, You can sample your LPV systems using psample. SSArray = rss(36,2,2,6); % random 2x2x6 ss array s = struct( ... ...
6 månader ago | 0
How can I make the Nichols chart background grid more prominent when using Nicholsplot? (Too faint.)
Hi Charles, Starting in R2024b, the nicholsplot function returns a chart object with a documented API. You can see the properti...
8 månader ago | 0
Bodeplot with XLim option does not rescale y-axis in R2024b
Hello Tor, This is a side effect of the update to charts in R2024b. The chart's Y limits are no longer linked to its X limits. ...
9 månader ago | 0
| accepted
Change marker colour of pzplot
Hi Jan, Starting in 24b, we introduced new chart and response objects for pzplot(). Each model you input to pzplot() will gene...
9 månader ago | 0
| accepted
MATLAB R2024 Rb
Hi Shahin, 2 notes: 1) In R2024b as of update 2, rlocusplot() generates an incorrect response for improper models. This bug wi...
11 månader ago | 0
Simulating the impulse response of a higher order filter.
Hello, You are encountering this behavior because your cascaded system is poorly conditioned numerically. Hopefully this is not...
11 månader ago | 0
How can I set linewidth directly in bode command?
For releases prior to R2024b, see Sid's answer. Starting in R2024b, you can set the line width using the chart API. sys = tf(4,...
11 månader ago | 1
| accepted
Why the peak values are evidently different under the impulse function to a second order function with zero damping?
Hello, You can use the impulseplot() syntax of providing a final time to have MATLAB automatically choose a resolution for your...
ungefär ett år ago | 0
Adding plots to an existing root locus plot
Hello, Design requirements (constraints) for damping ratios and natural frequencies in root locus charts is only available with...
ungefär ett år ago | 0
How do I show characteristics from my root locus figure?
Hello, There are two methods to enable characteristic visibility in Control System Toolbox charts. 1) After creating the chart...
ungefär ett år ago | 0
Matlab plots step response vs timestep number instead of time in seconds
You should use the "stepplot" function. s = tf('s'); %Laplace variable t = 0:0.01:10; %time vector start, dt , end K = 1; ...
ungefär ett år ago | 0
Graphics Incompatibilities in Control System Toolbox between R2024a and R2024b
Hello, You can achieve most of this behavior by interacting with the new chart API. Give the following a go: A1 = 1; wp1 = ...
ungefär ett år ago | 0
| accepted
Automatic method that returns the best combination of the coefficients of the polynomial with the lowest RSS value
Hello, You can use the "polyfit" function with n=2 to get the parabola of best fit for your data: https://www.mathworks.com/he...
nästan 3 år ago | 0
issues solving two interdependent optimization problems with nested functions
Hello, From your description, it sounds like you would like to solve a contrained optimization problem. This is, you would like...
nästan 3 år ago | 0
| accepted
Collision detection and solving of a spherical ball in a cylindrical boundary
Hi Victor, You can detect a collision between the ball and the cylinder if the distance between the center of the ball and the ...
nästan 3 år ago | 0
Gain/phase margin calculated relative to -540.
Hi Jaco-Louis, From the documentation page for margin: https://www.mathworks.com/help/control/ref/lti.margin.html the smalles...
nästan 3 år ago | 0
| accepted
How to load a trained classifier model inside Simulink MATLAB function in MATLAB 2015a?
Hi Roya, As you have just discovered, there are a few restrictions on the MATLAB Function block that are not present in the MAT...
nästan 3 år ago | 1
| accepted
Interpolation of directional angle between multiple coordinates
Hello, You can perform 2D interpolation by using the interp2 function: https://www.mathworks.com/help/matlab/ref/interp2.html ...
nästan 3 år ago | 0
Is there a good way to validate that all inputs to a function have compatible sizes when using a (Repeating) arguments block?
Hi Matthew, I was able to achieve the behavior you desire by looping through the variable arguments and passing the argument nu...
nästan 3 år ago | 0
| accepted
Solved
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
ungefär 5 år ago
Solved
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
ungefär 5 år ago
Solved
Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
ungefär 5 år ago
Solved
Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....
ungefär 5 år ago
Solved
Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
ungefär 5 år ago
